December 2018
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:
Specialty Firms Tap Into Robust Market
Click below for earlier editions:
2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | EMCOR GROUP INC. | 7,687.00 |
| 2 | MASTEC INC. | 6,606.98 |
| 3 | COMFORT SYSTEMS USA | 1,787.92 |
| 4 | ROSENDIN ELECTRIC | 1,449.88 |
| 5 | ACCO ENGINEERED SYSTEMS | 1,013.85 |
| 6 | CUPERTINO ELECTRIC INC. | 849.00 |
| 7 | HELIX ELECTRIC INC. | 623.98 |
| 8 | BERGELECTRIC CORP. | 497.54 |
| 9 | UNIVERSAL PLANT SERVICES INC. | 453.17 |
| 10 | TERRA MILLENNIUM CORP. | 414.76 |
| 11 | INTREN LLC | 406.70 |
| 12 | ENCLOS CORP. | 402.00 |
| 13 | LARGO CONCRETE INC. | 397.47 |
| 14 | KHS&S CONTRACTORS | 343.31 |
| 15 | ISEC INC. | 321.07 |
| 16 | MURRAY CO. | 310.61 |
| 17 | SME STEEL | 305.00 |
| 18 | SPRIG ELECTRIC | 245.00 |
| 19 | AMERICAN TECHNOLOGIES INC. | 240.78 |
| 20 | CALIFORNIA DRYWALL CO. | 240.69 |
| 21 | PAN-PACIFIC MECHANICAL LLC | 237.00 |
| 22 | CSI ELECTRICAL CONTRACTORS INC. | 233.04 |
| 23 | PRIME ELECTRIC | 216.30 |
| 24 | THE MORSE GROUP INC. | 182.51 |
| 25 | CONCRETE VALUE CORP. | 155.90 |
| 26 | THE RAYMOND GROUP | 152.87 |
| 27 | WEST VALLEY CONSTRUCTION | 146.10 |
| 28 | NEVELL GROUP INC. | 135.00 |
| 29 | COMNET COMMUNICATIONS LLC | 113.33 |
| 30 | ARCHITECTURAL GLASS & ALUMINUM | 110.00 |
| 31 | W.A. RASIC CONSTRUCTION CO. | 105.00 |
| 32 | COLLINS ELECTRICAL CO. | 95.56 |
| 33 | BARNUM & CELILLO ELECTRIC INC. | 65.00 |
| 33 | SUPERIOR WALL SYSTEMS | 65.00 |
| 35 | SUPERIOR GUNITE | 63.96 |
| 36 | SURE STEEL INC. | 61.18 |
| 37 | TRUESDELL CORP. | 52.69 |
| 38 | SHAW & SONS CONCRETE CONTRACTORS | 44.70 |
| 39 | PHOENIX INDUSTRIAL INC. | 43.00 |
| 40 | MONTEREY PENINSULA ENGINEERING | 42.00 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | ISEC INC. | 167.75 |
| 2 | KHS&S CONTRACTORS | 53.12 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | SME STEEL | 206.03 |
| 2 | SURE STEEL INC. | 2.12 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | ROSENDIN ELECTRIC | 865.61 |
| 2 | CUPERTINO ELECTRIC INC. | 499.00 |
| 3 | EMCOR GROUP INC. | 395.79 |
| 4 | HELIX ELECTRIC INC. | 373.20 |
| 5 | BERGELECTRIC CORP. | 289.24 |
| 6 | CSI ELECTRICAL CONTRACTORS INC. | 233.04 |
| 7 | SPRIG ELECTRIC | 219.00 |
| 8 | COLLINS ELECTRICAL CO. | 95.56 |
| 9 | PRIME ELECTRIC | 82.50 |
| 10 | BARNUM & CELILLO ELECTRIC INC. | 65.00 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | CUPERTINO ELECTRIC INC. | 175.00 |
| 2 | WEST VALLEY CONSTRUCTION | 146.10 |
| 3 | W.A. RASIC CONSTRUCTION CO. | 82.50 |
| 4 | INTREN LLC | 56.61 |
| 5 | MONTEREY PENINSULA ENGINEERING | 17.00 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | LARGO CONCRETE INC. | 392.00 |
| 2 | CONCRETE VALUE CORP. | 129.94 |
| 3 | SHAW & SONS CONCRETE CONTRACTORS | 44.70 |
| 4 | NIBBI CONCRETE | 33.30 |
| 5 | SUPERIOR GUNITE | 27.92 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | ACCO ENGINEERED SYSTEMS | 900.03 |
| 2 | EMCOR GROUP INC. | 624.80 |
| 3 | MURRAY CO. | 70.80 |
| 4 | COMFORT SYSTEMS USA | 43.35 |
| 5 | PAN-PACIFIC MECHANICAL LLC | 31.45 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | PAN-PACIFIC MECHANICAL LLC | 205.55 |
| 2 | MURRAY CO. | 204.05 |
| 3 | ACCO ENGINEERED SYSTEMS | 82.70 |
| 4 | PRO-CRAFT CONSTRUCTION INC. | 11.56 |
| 5 | COMFORT SYSTEMS USA | 2.38 |
| RANK | FIRM | $ MIL. |
|---|---|---|
| 1 | MASTEC INC. | 128.00 |
| 2 | AMERICAN TECHNOLOGIES INC. | 122.08 |
| 3 | TERRA MILLENNIUM CORP. | 55.37 |
| 4 | UNIVERSAL PLANT SERVICES INC. | 36.57 |
| 5 | SPRIG ELECTRIC | 26.00 |
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