<SEC-DOCUMENT>0000353020-18-000026-index.html : 20180313
<SEC-HEADER>0000353020-18-000026.hdr.sgml : 20180313
<ACCEPTANCE-DATETIME>20180313101029
ACCESSION NUMBER:		0000353020-18-000026
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		28
CONFORMED PERIOD OF REPORT:	20180313
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180313
DATE AS OF CHANGE:		20180313

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Aegion Corp
		CENTRAL INDEX KEY:			0000353020
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER, SEWER, PIPELINE, COMM AND POWER LINE CONSTRUCTION [1623]
		IRS NUMBER:				133032158
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35328
		FILM NUMBER:		18685488

	BUSINESS ADDRESS:	
		STREET 1:		17988 EDISON AVENUE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005
		BUSINESS PHONE:		6365308000

	MAIL ADDRESS:	
		STREET 1:		17988 EDISON AVENUE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSITUFORM TECHNOLOGIES INC
		DATE OF NAME CHANGE:	19930617

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSITUFORM OF NORTH AMERICA INC/TN/
		DATE OF NAME CHANGE:	19930617

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSITUFORM OF NORTH AMERICA INC
		DATE OF NAME CHANGE:	19921217
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8-k2018springinvestorb.htm
<DESCRIPTION>8-K - (2018 SPRING INVESTOR BOOK)
<TEXT>
Document 1 - file: form8-k2018springinvestorb.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>exhibit991-2018springinves.htm
<DESCRIPTION>EXHIBIT 99.1 - 2018 SPRING INVESTOR BOOK
<TEXT>
Document 2 - file: exhibit991-2018springinves.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>page1a06.jpg
<TEXT>
Document 3 - file: page1a06.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>page2a03.jpg
<TEXT>
Document 4 - file: page2a03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>page3a05.jpg
<TEXT>
Document 5 - file: page3a05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>page4a05.jpg
<TEXT>
Document 6 - file: page4a05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>page5a05.jpg
<TEXT>
Document 7 - file: page5a05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>page6a05.jpg
<TEXT>
Document 8 - file: page6a05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>page7a05.jpg
<TEXT>
Document 9 - file: page7a05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>page8a06.jpg
<TEXT>
Document 10 - file: page8a06.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>page9a05.jpg
<TEXT>
Document 11 - file: page9a05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>page47.jpg
<TEXT>
Document 12 - file: page47.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>page48.jpg
<TEXT>
Document 13 - file: page48.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>page49.jpg
<TEXT>
Document 14 - file: page49.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>page50.jpg
<TEXT>
Document 15 - file: page50.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>page51.jpg
<TEXT>
Document 16 - file: page51.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>page52.jpg
<TEXT>
Document 17 - file: page52.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>page53.jpg
<TEXT>
Document 18 - file: page53.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>page54.jpg
<TEXT>
Document 19 - file: page54.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>page55.jpg
<TEXT>
Document 20 - file: page55.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>page56.jpg
<TEXT>
Document 21 - file: page56.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>page57.jpg
<TEXT>
Document 22 - file: page57.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>page58.jpg
<TEXT>
Document 23 - file: page58.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>page59.jpg
<TEXT>
Document 24 - file: page59.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>page60.jpg
<TEXT>
Document 25 - file: page60.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>page61.jpg
<TEXT>
Document 26 - file: page61.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>page62.jpg
<TEXT>
Document 27 - file: page62.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>page63.jpg
<TEXT>
Document 28 - file: page63.jpg

</DOCUMENT>
</SEC-DOCUMENT>