November 2017
The ENR Top Specialty Contractors list contains the rankings by previous year's revenue of the largest specialty contractors.

More detailed information on the Top Specialty Contractors:
ENR California Top Specialty Contractors main rankings
Related Article:
Survey Reveals Hot Market for Specialty Firms
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | EMCOR GROUP INC. | 7600.00 |
| 2 | MASTEC INC. | 5134.70 |
| 3 | ROSENDIN ELECTRIC | 1959.29 |
| 4 | COMFORT SYSTEMS USA | 1634.34 |
| 5 | ACCO ENGINEERED SYSTEMS | 971.35 |
| 6 | CUPERTINO ELECTRIC INC. | 714.68 |
| 7 | HELIX ELECTRIC INC. | 524.67 |
| 8 | BERGELECTRIC CORP. | 483.15 |
| 9 | UNIVERSAL PLANT SERVICES INC. | 460.52 |
| 10 | ENCLOS CORP. | 452.00 |
| 11 | TERRA MILLENNIUM CORP. | 416.39 |
| 12 | POWER DESIGN INC. | 397.00 |
| 13 | LARGO CONCRETE INC. | 375.20 |
| 14 | REDWOOD ELECTRIC GROUP INC. | 375.00 |
| 15 | INTREN LLC | 374.44 |
| 16 | ISEC INC. | 296.00 |
| 17 | PAN-PACIFIC MECHANICAL LLC | 290.00 |
| 18 | KHS&S CONTRACTORS | 265.32 |
| 19 | CALIFORNIA DRYWALL | 238.00 |
| 20 | CSI ELECTRICAL CONTRACTORS INC. | 222.10 |
| 21 | PRIME ELECTRIC | 214.10 |
| 22 | BOMEL CONSTRUCTION CO. | 214.00 |
| 23 | SME STEEL CONTRACTORS INC. | 205.00 |
| 24 | AMERICAN TECHNOLOGIES INC. | 190.05 |
| 25 | HARRIS SUPERIOR CA INC. DBA SUPERIOR AIR HANDLING | 188.87 |
| 26 | THE MORSE GROUP INC. | 173.14 |
| 27 | THE RAYMOND GROUP | 162.02 |
| 28 | WEST VALLEY CONSTRUCTION CO. | 133.00 |
| 29 | CONCRETE VALUE CORP. | 128.04 |
| 30 | A.O. REED & CO. | 125.00 |
| 31 | ARCHITECTURAL GLASS & ALUMINUM CO. | 124.00 |
| 32 | BEST CONTRACTING SERVICES INC. | 118.40 |
| 33 | AMPAM PARKS MECHANICAL INC. | 117.00 |
| 34 | NEVELL GROUP INC. | 106.50 |
| 35 | W.A. RASIC CONSTRUCTION CO. | 102.61 |
| 36 | COLLINS ELECTRICAL CO. | 91.42 |
| 37 | W. BRADLEY ELECTRIC INC. | 91.00 |
| 38 | BAYSIDE INTERIORS INC. | 74.86 |
| 39 | A-C ELECTRIC CO. | 74.04 |
| 40 | VELLUTINI CORP. DBA ROYAL ELECTRIC CO. | 72.63 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | HARRIS SUPERIOR CA INC. DBA SUPERIOR AIR HANDLING | 137.24 |
| 2 | BEST CONTRACTING SERVICES INC. | 24.60 |
| 3 | KOVACH BUILDING ENCLOSURES | 2.86 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | WEST VALLEY CONSTRUCTION CO. | 133.00 |
| 2 | W.A. RASIC CONSTRUCTION CO. | 102.61 |
| 3 | CUPERTINO ELECTRIC INC. | 66.16 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | ROSENDIN ELECTRIC | 1172.22 |
| 2 | CUPERTINO ELECTRIC INC. | 567.80 |
| 3 | EMCOR GROUP INC. | 394.00 |
| 4 | REDWOOD ELECTRIC GROUP INC. | 375.00 |
| 5 | HELIX ELECTRIC INC. | 295.00 |
| 6 | BERGELECTRIC CORP. | 238.09 |
| 7 | CSI ELECTRICAL CONTRACTORS INC. | 222.10 |
| 8 | COLLINS ELECTRICAL CO. | 91.42 |
| 9 | PRIME ELECTRIC | 91.40 |
| 10 | W. BRADLEY ELECTRIC INC. | 91.00 |
| 11 | A-C ELECTRIC CO. | 74.04 |
| 12 | VELLUTINI CORP. DBA ROYAL ELECTRIC CO. | 67.46 |
| 13 | BARNUM & CELILLO ELECTRIC INC. | 51.00 |
| 14 | THE MORSE GROUP INC. | 22.92 |
| 15 | POWER DESIGN INC. | 1.41 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | LARGO CONCRETE INC. | 375.20 |
| 2 | BOMEL CONSTRUCTION CO. | 169.00 |
| 3 | CONCRETE VALUE CORP. | 106.65 |
| 4 | SHAW & SONS INC. | 42.00 |
| 5 | SUPERIOR GUNITE | 34.00 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | ACCO ENGINEERED SYSTEMS | 760.36 |
| 2 | EMCOR GROUP INC. | 652.28 |
| 3 | A.O. REED & CO. | 125.00 |
| 4 | PAN-PACIFIC MECHANICAL LLC | 67.12 |
| 5 | COMFORT SYSTEMS USA | 43.63 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | PAN-PACIFIC MECHANICAL LLC | 222.88 |
| 2 | AMPAM PARKS MECHANICAL INC. | 117.00 |
| 3 | ACCO ENGINEERED SYSTEMS | 77.87 |
| 4 | PRO-CRAFT CONSTRUCTION INC. | 12.34 |
| 5 | XCEL MECHANICAL SYSTEMS INC. | 7.59 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | ISEC INC. | 155.29 |
| 2 | MISSION BELL | 60.00 |
| 3 | KHS&S CONTRACTORS | 43.19 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | SME STEEL CONTRACTORS INC. | 101.00 |
| 2 | SURE STEEL INC. | 2.14 |
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