Construction  (58) Management  (21) Manufacturing  (18) Energy  (17) Electronics  (14) Engineering  (13) Education  (8) Mining  (8) Information Technology  (7) Automotive  (6) Building Automation  (5) Industrial Automation  (5) Sales  (4) Executive  (3) Customer Service  (2) Marketing  (1) Telecommunications  (1) Security (Access Control & CCTV)  (1)

California  (7) Arizona  (5) New York  (5) Virginia  (5) Pennsylvania  (4) Texas  (4) District of Columbia  (3) Georgia  (3) Nevada  (3) Utah  (3) Ohio  (2) Washington  (2) Arkansas  (1) Colorado  (1) Michigan  (1) New Mexico  (1) Oregon  (1) West Virginia  (1)

Kinder Morgan  (15) Mesa Energy Systems, Inc.  (8) SmartTech Contracting LLC  (7) Aircond Corporation  (3) Scalise Industries Corporation  (3) Control Solutions Group, Inc.  (2) DeBra-Kuempel Inc.  (2) EMCOR Services New York/New Jersey, Inc.  (2) The Betlem Service Corporation  (2) Diversified Gas & Oil Corporation  (2) CCI Mechanical, Inc.  (1) CCS Havel  (1) Rabalais Constructors, LLC  (1) Fairfax County Government  (1) Haynes Mechanical Systems  (1) CoolSys  (1)