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Kinder Morgan  (22) Mesa Energy Systems, Inc.  (18) Aircond Corporation  (6) Rabalais Constructors, LLC  (5) CoolSys  (5) Control Solutions Group, Inc.  (3) Scalise Industries Corporation  (3) Hill York Services Corporation, LLC  (2) EMCOR Services Integrated Solutions  (2) EMCOR Services New York/New Jersey, Inc.  (2) EMCOR Facilities Services, Inc.  (2) The Betlem Service Corporation  (2) Aquafinity  (1) University of California, Irvine  (1) Brother International Corporation  (1) DeBra-Kuempel Inc.  (1) Dallas Mechanical Group LLC  (1) Mechanical Services of Central Florida, Inc.  (1) Calibrated Controls  (1) Thermo Trol Systems Inc  (1)