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Nature of Business (Tables) | 6 Months Ended
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Jun. 30, 2015
Nature of Business |
Schedule of list of primary operating subsidiaries and their reportable operating segment |
Subsidiary |  | Operating Segment |  | Prior Operating Segment
ARB, Inc. (“ARB”) |  | West |  | West
ARB Structures, Inc. |  | West |  | West
Q3 Contracting, Inc. (“Q3C”) |  | West |  | West
Rockford Corporation (“Rockford”) |  | West |  | West
Vadnais Trenchless Services, Inc. (“Vadnais”); acquired in 2014 |  | West |  | West
Silva Group (“Silva”) |  | East |  | East
Cardinal Contractors, Inc. |  | East |  | East
BW Primoris, LLC (“BWP”) |  | East |  | East
James Construction Group, LLC (“JCG”): |  |  |  |
JCG Heavy Civil Division |  | East |  | East
JCG Infrastructure and Maintenance Division |  | East |  | East
Primoris Energy Services Corporation (“PES”) |  | Energy |  | East
PES Industrial Division (formerly JCG Industrial Division) |  | Energy |  | East
Primoris AV, Energy and Electrical Construction Corp. (“Primoris AV”); acquired February 28, 2015 |  | Energy |  | N/A
OnQuest, Inc. |  | Energy |  | Engineering
OnQuest, Canada, ULC |  | Energy |  | Engineering

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