<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>31503 - Disclosure - Major Customers (Tables)</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><CurrencyCode /><FootnoteIndexer /><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios><MCU><KeyName /><CurrencySymbol /><contextRef><ContextID>Duration_1_1_2013_To_6_30_2013</ContextID><EntitySchema>http://www.sec.gov/CIK</EntitySchema><EntityValue>0001490630</EntityValue><PeriodDisplayName /><PeriodType>duration</PeriodType><PeriodStartDate>2013-01-01T00:00:00</PeriodStartDate><PeriodEndDate>2013-06-30T00:00:00</PeriodEndDate><Segments /><Scenarios /></contextRef><UPS /><CurrencyCode /><OriginalCurrencyCode /></MCU><CurrencySymbol /><Labels><Label Key="CalendarSupplement" Id="0" Label="6 Months Ended" /><Label Key="Calendar" Id="1" Label="Jun. 30, 2013" /></Labels></Column></Columns><Rows><Row FlagID="0"><Id>1</Id><IsAbstractGroupTitle>true</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>1</Level><ElementName>us-gaap_RisksAndUncertaintiesAbstract</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText /><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>xbrli:stringItemType</ElementDataType><SimpleDataType>string</SimpleDataType><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Major Customers [Abstract]</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>terseLabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="Duration_1_1_2013_To_6_30_2013" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div&gt; &lt;div style="margin-left:0pt;margin-right:0pt;"&gt;
		&lt;div style="width:100%"&gt;&lt;table cellpadding="0" cellspacing="0" align="center" style="border-collapse:collapse;width: 100.00%;margin-left:0pt;"&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:39.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 1pt"&gt;
						&lt;font style="display: inline;font-size:1pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:1pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;height:1pt;overflow:hidden;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:39.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;June 30,&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;Six months&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;Six months&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:39.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;2013&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;ended&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;ended&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:39.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;Receivable&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;June 30,&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;June 30,&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:39.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;Balance&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;2013 Sales&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;2012 Sales&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:39.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td colspan="5" valign="bottom" style="width:00.02%;border-top:1pt solid #000000 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:center;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;(in thousands)&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:39.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;NRG Energy, Inc. (fka GenOn Energy, Inc.)&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 3.25pt 0.05pt 0pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;$&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;2,862&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 3.25pt 0.05pt 0pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;$&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;22,948&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 3.25pt 0.05pt 0pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;$&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;19,365&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:39.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;Indiana Harbor Coke Company, L.P &lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;n/a&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;n/a&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;19,657&amp;nbsp;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:39.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;PPL Corporation&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;n/a&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;n/a&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;21,082&amp;nbsp;
				&lt;/td&gt;
			&lt;/tr&gt;
			&lt;tr&gt;
				&lt;td valign="bottom" style="width:39.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;American Electric Power Company, Inc. &lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;2,501&amp;nbsp;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"&gt;&lt;div style="float:left"&gt;&lt;/div&gt;17,972&amp;nbsp;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:02.98%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
						&amp;nbsp;&lt;/p&gt;
				&lt;/td&gt;
				&lt;td valign="bottom" style="width:17.26%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt none #D9D9D9 ;border-right:1pt none #D9D9D9 ;background-color: #auto;height:15pt;padding:0pt;"&gt;
					&lt;p style="margin:0pt 0pt 0.05pt;text-align:right;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 10pt"&gt;
						&lt;font style="display: inline;font-size:10pt;"&gt;n/a&lt;/font&gt;&lt;/p&gt;
				&lt;/td&gt;
			&lt;/tr&gt;
		&lt;/table&gt;&lt;/div&gt;
		&lt;p style="margin:0pt;line-height:normal;text-align:justify;text-justify:inter-ideograph;font-family:Times New Roman;font-size: 12pt"&gt;
			&lt;font style="display: inline;"&gt;&amp;nbsp;&lt;/font&gt;
		&lt;/p&gt;
		&lt;p&gt;&lt;font size="1"&gt; &lt;/font&gt;&lt;/p&gt;
	&lt;/div&gt; &lt;/div&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Statement of Financial Accounting Standard (FAS)

 -Number 131

 -Paragraph 39



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