Concentrations of Risk

9 Months Ended

Sep. 30, 2012

Risks and Uncertainties [Abstract]

Concentrations of Risk

Concentrations of Risk

The Company had approximately 350 customers as of September 30, 2012, which included some of the largest and most prominent companies in the communications, utilities and government industries. MasTec’s customers include public and private energy providers, pipeline operators, wireless service providers, satellite and broadband operators, local and long distance carriers and government entities. The industries served by MasTec’s customers include, among others: utilities (including electrical utility transmission and distribution; power generation; natural gas and petroleum pipeline infrastructure; wind farms, solar farms and other renewable energy; and industrial infrastructure), communications (including wireless, wireline and satellite communications) and government (including water, sewer and other utility and communications work on military bases).

Customer revenue by industry from continuing operations for the periods indicated is as follows (in millions):

	Three Months Ended September 30,								Nine Months Ended September 30,
	2012				2011				2012				2011
Communications	$	436.8	41	%	$	435.8	53	%	$	1,164.7	42	%	$	1,101.6	52	%
Utilities	627.3		59	%	373.4		46	%	1,617.8		58	%	981.1		47	%
Government	3.2		0	%	7.0		1	%	11.9		0	%	17.0		1	%
	$	1,067.3	100	%	$	816.2	100	%	$	2,794.4	100	%	$	2,099.7	100	%

Revenue concentration information, as a percent of total consolidated revenue from continuing operations, is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Revenue from top ten customers	67	%	73	%	66	%	73	%
Revenue from specific customers:
AT&T	17	%	23	%	17	%	25	%
DIRECTV®	16	%	22	%	17	%	19	%

In addition, the Company derived 11% of revenues from continuing operations for the nine month period ended September 30, 2011 from El Paso Corporation.

Foreign Operations.The Company has operations in Canada as well as in parts of Latin America and the Caribbean. For the three months ended September 30, 2012 and 2011, revenues from continuing operations of $33.7 million and $36.2 million, respectively, were derived from foreign operations, and for the nine months ended September 30, 2012 and 2011, revenues from continuing operations of $133.7 million and $55.4 million, respectively, were derived from foreign operations. For the three months ended September 30, 2012 and 2011, revenues within the results of operations from discontinued operations of $1.9 million and $2.3 million, respectively, were derived from foreign operations, and for the nine months ended September 30, 2012 and 2011, revenues within the results of operations from discontinued operations of $4.6 million and $5.7 million, respectively, were derived from foreign operations. In addition, the Company held property and equipment in foreign countries of $12.6 million as of September 30, 2012 and $12.7 million as of December 31, 2011.