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del.icio.usENR's Top 600 Specialty Contractors is a comprehensive package of data and analysis. It contains the rankings by 2007 revenue of the 600 largest specialty contractors in the U.S., the previous year's rankings, revenue and the percentage of revenue by markets.
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More detailed information on the Top Specialty Contractors: Current Top Specialty Contractors Story: Click below for earlier editions: |
| FIRM | RANK |
|---|---|
| A | |
| A & B Mechanical Contractors Inc. | 560 |
| A & R Mechanical Contractors Inc. | 472 |
| A-C Electric Co. | 386 |
| Acco Engineered Systems Inc. | 18 |
| Ace Electric Inc. | 333 |
| ACI (Active Constuction Inc.) | 551 |
| Acme Electric | 548 |
| Acousti Engineering Co. of FL | 111 |
| Acoustic Ceiling and Partition Co. | 485 |
| Action Electrical & Mechanical Contractors | 363 |
| Adams & Smith Inc. | 518 |
| Aevenia | 338 |
| Ahal Contracting Co. Inc. | 537 |
| J.F. Ahern Co. | 92 |
| Ajay Glass & Mirror Co. Inc. | 468 |
| Alakai Mechanical Corp. | 303 |
| Aldridge Electric Inc. | 72 |
| H. R. Allen Inc. | 446 |
| Alliant Systems LLC | 528 |
| Allison Smith Co. LLC | 124 |
| AllSouth Subcontractors Inc. | 506 |
| Alterman Inc. | 265 |
| American Pan & Engineering Co. Inc. | 529 |
| American Technologies Inc. | 239 |
| Amex Construction Co. Inc. | 311 |
| AMS Electric Inc. | 519 |
| Anderson Drilling | 306 |
| APG Electric Inc. | 542 |
| APi Group Inc. | 6 |
| AWS | 220 |
| Architectural Wall Systems co. | 516 |
| Ardent Services | 165 |
| Area Erectors Inc. | 275 |
| Ascher Brothers Co. Inc. | 426 |
| Aschinger Electric Co. | 371 |
| Associated Mechanical Contractors Inc. | 572 |
| Avalotis Corp. | 328 |
| AZCO Inc. | 131 |
| B | |
| Bahnson Holdings Inc. | 109 |
| Baker Concrete Construction Inc. | 13 |
| Baker Electric Inc. | 353 |
| Baker Group | 316 |
| Baker Roofing Co. | 164 |
| BakerTriangle | 176 |
| S.B. Ballard Construction Co. | 162 |
| BAMCO Inc. | 586 |
| Barnhart Crane & Rigging Co. | 68 |
| Barnum & Celillo Electric Inc. | 429 |
| Basden Steel & Erection Inc. | 405 |
| Otto Baum Co. Inc. | 342 |
| Bayside Interiors Inc. | 372 |
| BCH Mechanical Inc. | 259 |
| Beacon Piping Co. | 574 |
| Beard Construction Group LLC | 364 |
| The Beaver Excavating Co. | 167 |
| Beldon Enterprises Inc. | 269 |
| Bell Electrical Contractors Inc. | 365 |
| Ben Hur Construction Co. | 147 |
| Bergelectric Corp. | 26 |
| Berger Engineering Co. | 335 |
| Berkel & Co. Contractors Inc. | 69 |
| Bermudez, Longo, Diaz-Masso SE | 132 |
| Best Contracting Services Inc. | 196 |
| Bierlein Demolition & Dismantling | 254 |
| Bigge Crane and Rigging Co. | 87 |
| Binsky & Snyder LLC | 213 |
| Birdair Inc. | 326 |
| Bomel Construction Co. Inc. | 42 |
| Bonland Industries Inc. | 359 |
| Frank M. Booth Inc. | 302 |
| Borderland Construction Co. Inc. | 387 |
| E.S. Boulos Co. | 266 |
| W.E. Bowers | 103 |
| W. Bradley Electric Inc. | 292 |
| Brand Energy and Infrastructure Services | 3 |
| Brandenburg Industrial Service Co. | 93 |
| Brandt Engineering Co. | 58 |
| Brazos M & E Ltd. | 408 |
| Broadway Electric Service Corp. | 288 |
| The Brock Group | 5 |
| Brooks-Berry-Haynie & Associates Inc. | 350 |
| Dee Brown Inc. | 541 |
| Bruce & Merrilees Electric Co. | 346 |
| Bryant-Durham Electric Co. Inc. | 309 |
| Buckner Cos. | 207 |
| Buesing Corp. | 564 |
| BUILDERS PLUS Inc. | 497 |
| Building Erection Services Co. | 590 |
| Burgess Steel Erectors of N.Y. LLC | 461 |
| Burns & Scalo Roofing Co. Inc. | 546 |
| Harold G. Butzer Inc. | 587 |
| C | |
| Cache Valley Electric Co. | 95 |
| Caid Industries | 467 |
| California Drywall Co. | 347 |
| The Campbell Cos. | 325 |
| J.C. Cannistraro LLC | 161 |
| Cannon & Wendt Electric Co. Inc. | 274 |
| Cantera Concrete Co. LLC | 351 |
| Capform Inc. | 126 |
| Albin Carlson & Co. | 570 |
| Case Foundation Co. | 151 |
| Casey Industrial Inc. | 261 |
| CB Structures | 567 |
| CBO Glass | 352 |
| CCI Mechanical Inc. | 320 |
| Cecchin Plumbing & Heating Inc. | 563 |
| Ceco Construction Group | 16 |
| Centimark Corp. | 32 |
| Central Ceilings Inc. | 402 |
| Century Concrete Inc. | 286 |
| Century Mechanical Contractors Inc. | 409 |
| Century Steel Erectors | 377 |
| Cherry Demolition | 330 |
| W.A. Chester LLC | 268 |
| The Fred Christen & Sons Co. | 490 |
| Circle B Construction | 421 |
| The Circle Group of Cos. | 238 |
| Cleveland Cement Contractors Inc. | 314 |
| Cleveland Electric Co. | 121 |
| Cleveland Wrecking Co. | 295 |
| Coastal Mechanical Group | 118 |
| Colasanti Specialty Services Inc. | 129 |
| Collins Electrical Co. Inc. | 189 |
| ColonialWebb Contractors | 97 |
| Comfort Systems USA Inc. | 8 |
| Commercial Roofers Inc. | 436 |
| Commonwealth Electric Co. of the Midwest | 191 |
| ComNet Communications LLC | 362 |
| Concrete Strategies Inc. | 329 |
| Concrete Structures of the Midwest Inc. | 305 |
| Condon Johnson & Assoc. Inc. | 257 |
| Continental Electrical Construction Co. | 74 |
| Corbins Electric | 419 |
| Cornerstone Detention Products Inc. | 398 |
| James Craft & Son Inc. | 580 |
| Dee Cramer Inc. | 565 |
| F.L. Crane & Sons Inc. | 174 |
| Critchfield Mechanical Inc. | 88 |
| Crosby-Brownlie Inc. | 597 |
| J A Croson LLC | 504 |
| Crown Corr Inc. | 193 |
| Crowther Roofing & Sheet Metal of FL Inc. | 340 |
| CSE Inc. | 550 |
| CSI Electrical Contractors Inc. | 214 |
| Cullum Mechanical Construction Inc. | 440 |
| Cummings Electrical Inc. | 240 |
| Cupertino Electric Inc. | 33 |
| DE | |
| Daidone Electric Inc. | 416 |
| Daley’s Drywall | 503 |
| John W. Danforth Co. | 156 |
| Danny’s Construction Co. Inc. | 279 |
| Elmer W. Davis Inc. | 502 |
| M.C. Dean Inc. | 22 |
| Del Monte Electric | 557 |
| Delcard Assocs. Inc. - Mechanical Contrs. | 376 |
| A.C. Dellovade Inc. | 226 |
| Delta Diversified Enterprises Inc. | 198 |
| Design Electric Inc. | 556 |
| Diamond B Constructors Inc. | 379 |
| DiGesare Mechanical Inc. | 488 |
| Diversified Utility Services Inc. | 430 |
| Dollar Concrete Construction Co. | 336 |
| Douglass Colony Group | 378 |
| DRC Group | 89 |
| Ducci Electrical Contractors Inc. | 256 |
| E.M. Duggan Inc. | 281 |
| Dunbar Mechanical Inc. | 349 |
| Dunkin & Bush Inc. | 435 |
| Durr Mechanical Construction Inc. | 447 |
| DynaTen Corp. | 381 |
| E & K Cos. Inc. | 153 |
| E C Co. | 123 |
| East Coast Fire Protection Inc. | 105 |
| Eastern Waterproofing & Restoration Co. Inc. | 577 |
| Edgerton Contractors Inc. | 520 |
| Egan Co. | 141 |
| E-J Electric Installation Co. | 117 |
| ElDeCo Inc. | 392 |
| Electra Link Inc. | 399 |
| Electrical Contractors Inc. | 473 |
| Electrical Corp. of America Inc. | 332 |
| Elkhorn Holdings Inc. | 59 |
| Davis H. Elliot Co. Inc. | 119 |
| EMCOR Group Inc. | 1 |
| Enclos Corp | 49 |
| Enterprise Electric LLC | 244 |
| Envirocon Inc. | 135 |
| ERMCO Inc. | 206 |
| Ershigs Inc. | 236 |
| Evans Roofing Co. Inc. | 569 |
| EverGreene Architectural Arts | 517 |
| FG | |
| FabArc Steel Supply Inc. | 152 |
| Faith Technologies Inc. | 85 |
| The Farfield Co. | 294 |
| Ferguson | 469 |
| Feyen Zylstra LLC | 500 |
| Fiore & Sons Inc. | 407 |
| Fischbach & Moore Electric Group LLC | 464 |
| Fisk | 27 |
| FLAGSHIPPDG | 245 |
| Fly & Form Inc. | 589 |
| Foley Co. | 211 |
| Form Works Inc. | 391 |
| Fort Pitt Group LP | 209 |
| Foundation Constructors Inc. | 264 |
| Fountain Construction Co. Inc. | 280 |
| Fresh Meadow Mechanical Corp. | 99 |
| Gaines and Co. | 510 |
| Gardner Zemke Co. | 525 |
| Gate Construction Materials Group | 57 |
| Gaylor Inc. | 112 |
| GEM Inc. | 168 |
| General Mechanical Inc. | 476 |
| Geo-Solutions Inc. | 562 |
| Gill-Simpson Inc. | 278 |
| Giroux Glass Inc. | 334 |
| Richard Goettle Inc. | 370 |
| Goyette Mechanical Co. | 474 |
| Great Lakes Plumbing & Heating Co. | 232 |
| John E. Green Co. | 66 |
| Greenberry Industrial | 486 |
| Greenstar Services Corp. | 14 |
| Gregg Electric Inc. | 496 |
| Gregory Electric Co. Inc. | 422 |
| Gresser Cos. Inc. | 331 |
| Gribbins Insulation Co. Inc. | 493 |
| Griffin Dewatering Corp. | 547 |
| D.H. Griffin Wrecking Co. Inc. | 143 |
| Wayne J. Griffin Electric Inc. | 76 |
| Group Builders Inc. | 181 |
| Grunau Co. | 169 |
| GSL Electric | 285 |
| Guarantee Electrical Co. | 122 |
| W.B. Guimarin & Co. | 573 |
| HI | |
| HACI Mechanical Contractors Inc. | 368 |
| Haley-Greer Inc. | 208 |
| Harder Mechanical Contractors Inc. | 62 |
| Hardrock Concrete Placement Co. Inc. | 337 |
| Hardy Corp. | 318 |
| Harmon Inc. | 52 |
| Harrington Engineering Inc. | 509 |
| Hatzel & Buehler Inc. | 134 |
| Hayward Baker Inc. (a Keller Co.) | 30 |
| Heating & Plumbing Engineers Inc. | 289 |
| Edwin L. Heim Co. | 322 |
| Heinaman Contract Glazing | 382 |
| Helix Electric Inc. | 40 |
| Heller Electric Co. Inc. | 559 |
| Jack B. Henderson Construction Co. Inc. | 393 |
| Henkels & McCoy Inc. | 9 |
| HEPACO Inc. | 492 |
| Hermanson Co. LLP | 199 |
| Herre Bros. Inc. | 579 |
| High Concrete Group LLC | 173 |
| Hill Mechanical Group | 54 |
| HIS Constructors LLC | 596 |
| Hi-Tech Electric Inc. | 249 |
| Hussung Mechanical Contractors Inc. | 215 |
| Holaday-Parks Inc. | 125 |
| Holland Roofing | 277 |
| Holmes Electric Co. | 394 |
| Hooper Corp. | 128 |
| Hunt Electric Corp. | 96 |
| icon Mechanical Construction & Engineering LLC | 459 |
| IES-Integrated Electrical Services Inc. | 12 |
| IHP Industrial Inc. | 483 |
| IMCOR - Interstate Mechanical Corp | 417 |
| Independence Excavating Inc. | 271 |
| Inglett & Stubbs LLC | 149 |
| Interstates Cos. | 243 |
| INTREN Inc. | 224 |
| IPS | 216 |
| Irex Contracting Group | 46 |
| ISC | 98 |
| ISEC Inc. | 60 |
| Ivey Mechanical Co. | 106 |
| JK | |
| J & S Mechanical Contractors Inc. | 310 |
| Charles E. Jarrell Contracting Inc. | 231 |
| Jensen Corp. | 480 |
| Joslin Construction Co. Inc. | 463 |
| KPost Co. | 593 |
| K&K Iron Works Inc. | 406 |
| K2 Industrial Services Inc. | 142 |
| Kalkreuth Roofing & Sheet Metal Inc. | 354 |
| Karas & Karas Glass Co. Inc. | 375 |
| Kearney Cos. | 205 |
| Kearney Electric Inc. | 513 |
| JH Kelly LLC | 67 |
| Kelso-Burnett Co. | 267 |
| Kenmor Electric Co. LP | 389 |
| Kent Cos. Inc. | 293 |
| KHS&S Contractors | 24 |
| Kimmins Contracting Corp. | 291 |
| Kinetics | 41 |
| King of Texas Roofing Co. LP | 530 |
| Kirk & Blum - a CECO Environmental Co. | 230 |
| KK Mechanical Inc. | 428 |
| Kleinberg Electric Inc. | 455 |
| Koontz Electric Co. Inc. | 508 |
| Kovach Inc. | 491 |
| B.R. Kreider & Son Inc. | 449 |
| L | |
| L.P.R. Construction Co. | 308 |
| Lake Erie Electric Cos. | 178 |
| LandCoast Insulation Inc. | 401 |
| Landmark Structures | 195 |
| Largo Concrete Inc. | 163 |
| Latite Roofing & Sheet Metal Co. | 299 |
| Lawson Mechanical Contractors | 192 |
| Lee Co. | 262 |
| Dorvin D. Leis Co. Inc. | 194 |
| Letsos Co. | 227 |
| Lico Steel Inc. | 526 |
| Limbach Facility Services LLC | 50 |
| Linde Corp. | 544 |
| C.A. Lindman Cos. | 341 |
| Long Painting Co. | 522 |
| Lotspeich Co. of Fla. Inc. | 312 |
| Lucia Group | 456 |
| Ludvik Electric Co. | 237 |
| LVI Services Inc. | 37 |
| M | |
| M&D Mechanical Contractors Inc. | 511 |
| M&H Building Specialties | 431 |
| MacDonald-Miller Facility Solutions | 130 |
| Mader Southeast | 437 |
| Madison Concrete Construction | 104 |
| Malcolm Drilling Co. Inc. | 84 |
| Manafort Brothers Inc. | 150 |
| B.T. Mancini Co. Inc. | 315 |
| W.D. Manor Mechanical Contractors Inc. | 489 |
| Marathon Electrical Contractors Inc. | 307 |
| Marina Landscape Inc. | 366 |
| Markham Contracting Co. Inc. | 234 |
| Maron Electric Co. | 252 |
| Marr Scaffolding Co. | 487 |
| Martin Petersen Co. Inc. | 324 |
| Masonry Arts Inc. | 395 |
| Mass. Electric Construction Co. | 70 |
| MasTec Inc. | 7 |
| Matco Electric Corp. | 410 |
| Mayers Electric Co. Inc. | 555 |
| MBR Construction Services Inc. | 248 |
| McCarl’s Inc. | 145 |
| G.M. McCrossin Inc. | 424 |
| McDade-Woodcock Inc. | 536 |
| O.C. McDonald Co. Inc. | 425 |
| McGee Brothers Co. Inc. | 179 |
| McHugh Concrete Construction | 91 |
| McKenney’s Inc. | 81 |
| McKinney Drilling Co. | 171 |
| McKinstry | 31 |
| McPhee Electric Ltd. | 116 |
| Mechanical Inc. | 146 |
| Meisner Electric Inc. of Florida | 339 |
| Adrian L. Merton Inc. | 584 |
| Meyer & Lundahl Mfg. Co. | 594 |
| Mid-Continental Restoration | 494 |
| Midstate Mechanical Inc. | 273 |
| Midwest Drywall Co. Inc. | 172 |
| Midwest Steel Inc. | 80 |
| Miller & Anderson Inc. | 403 |
| Miller & Long Co. Inc. | 38 |
| Miller Bonded Inc. | 317 |
| Miller Electric Co. | 47 |
| Miller Insulation Co. Inc. | 296 |
| Miller Pipeline Corp. | 100 |
| Miscellaneous Metals Inc. | 581 |
| Mission Bell Mfg Co. Inc. | 432 |
| MKB Construction Inc. | 471 |
| MLN Co. | 258 |
| MMC Corp. | 34 |
| MMR Group Inc. | 45 |
| Mona Electric Group Inc. | 241 |
| Rex Moore Electrical Contrs. & Engrs. | 159 |
| Morrow-Meadows Corp. | 61 |
| Morse Electric | 137 |
| Motor City Electric Co. | 65 |
| MTH Industries | 582 |
| Murphy Co. Mechanical Contractors & Engrs | 63 |
| Murray Co. | 148 |
| Muth Electric Inc. | 343 |
| MYR Group Inc. | 17 |
| NO | |
| NASDI LLC | 200 |
| National Construction Enterprises Inc. | 83 |
| National Steel Constructors LLC | 345 |
| Nead Organization | 219 |
| New River Electrical Corp. | 136 |
| Newkirk Electric | 270 |
| NewMech Co. Inc. | 138 |
| The Newtron Group Inc. | 35 |
| Nicholson Construction Co. | 188 |
| D.W. Nicholson Corp. | 355 |
| Nooter Construction Co. | 43 |
| Norment Security Group Inc. | 283 |
| North American Coatings LLC | 507 |
| Northeast Remsco Construction Inc. | 170 |
| Northland Concrete & Masonry LLC | 247 |
| Northshore Sheet Metal Inc. | 462 |
| Nuprecon/CST Holdings LLC | 78 |
| O.S. Interior Systems Inc. | 583 |
| O’Connell Electric Co. Inc. | 155 |
| Oil Capital Electric | 218 |
| Oklahoma Electrical Supply Co. | 190 |
| Oncore Construction LLC | 304 |
| W.J. O’Neil Co. | 290 |
| Orndorff & Spaid Inc. | 521 |
| O’Rourke Wrecking Co. | 576 |
| P | |
| Pacific Coast Steel | 21 |
| Pacific Construction Systems Inc. | 203 |
| Panelized Structures Inc. | 229 |
| Alex E. Paris Contracting Co. Inc. | 383 |
| Parsons Electric | 94 |
| Patriot Erectors Inc. | 501 |
| PayneCrest Electric | 228 |
| Pel-Bern Electric Inc. | 600 |
| Penhall Co. | 73 |
| T.B. Penick & Sons Inc. | 186 |
| John A. Penney Co. Inc. | 356 |
| Peoples Electrical Co. Inc. | 598 |
| Performance Contracting Group Inc. | 10 |
| Perreca Electric Co. Inc. | 484 |
| Peterson Mechanical Inc. | 538 |
| Petillo Inc. | 561 |
| Philips Bros. Electrical Contractors Inc. | 460 |
| Phillips Construction LLC | 498 |
| Pierce Associates Inc. | 253 |
| The PIPCO Cos. Ltd. | 531 |
| Piping & Equipment Co. Inc. | 532 |
| Pomeroy Electric Inc. | 380 |
| Pompano Masonry Corp. | 512 |
| Port Morris Tile & Marble Corp. | 187 |
| Power Piping Co. | 524 |
| Power Services Inc. | 442 |
| PPMI Construction Co. | 427 |
| Precision Concrete Construction Inc. | 300 |
| Precision Environmental Co. | 373 |
| Premier Electrical Corp. | 415 |
| Prime Electric Inc. | 414 |
| Prism Electric Inc. | 348 |
| Pyramid Masonry Contractors Inc. | 441 |
| QR | |
| Quality Plus Services Inc. | 284 |
| Quanta Services Inc. | 2 |
| J. Ranck Electric Inc. | 360 |
| The Raymond Group | 53 |
| Redwood City Electric Inc. | 108 |
| A.O. Reed & Co. | 204 |
| Remco Maintenance LLC | 481 |
| Remedial Construction Services LP | 154 |
| RHP Mechanical Systems | 367 |
| JE Richards Inc. | 246 |
| Rigging International | 514 |
| RK Mechanical Inc. | 133 |
| RKS PLumbing & Mechanical Inc. | 566 |
| RMCI Inc. | 327 |
| Robinette Demolition Inc. | 545 |
| Rogers Electric | 157 |
| Rosendin Electric Inc. | 11 |
| Royal Electric Co. | 369 |
| Ruttura & Sons Construction Co. Inc. | 177 |
| Ryan Inc. Central | 242 |
| S | |
| S&F Concrete | 127 |
| S.M. Electric Co. Inc. | 222 |
| S3H Inc. | 466 |
| Sachs Electric Co. | 51 |
| Sauer Holdings | 36 |
| Scheck Industries | 158 |
| Schlouch Inc. | 374 |
| Schreiber Roofing | 438 |
| Schuff International Inc. | 15 |
| Schuster Concrete Construction | 235 |
| SDB Inc. | 396 |
| Seedorff Masonry Inc. | 388 |
| Seretta Construction Inc. | 418 |
| Service Painting of Florida | 588 |
| Shapiro & Duncan Inc. | 223 |
| Sharlen Electric Co. | 568 |
| Shaw Electric Co. | 448 |
| Shelley Electric Inc. | 571 |
| Shields Inc. | 599 |
| Siemens Building Technologies Inc. | 4 |
| Sierra Pacific West Inc. | 527 |
| Sigma Marble Granite & Tile | 554 |
| SkiHi Enterprises Ltd. | 499 |
| Slack & Co. Contracting Inc. | 452 |
| Sloan & Co. Inc. | 313 |
| SME Steel | 28 |
| Snelson Cos. Inc. | 139 |
| Southern Industrial Constructors Inc. | 250 |
| Southland Concrete Corp. | 185 |
| Southland Industries | 25 |
| Sowles Co. | 439 |
| Spacecon Specialty Contractors | 454 |
| Specialty Finishes Inc. | 549 |
| Spectrum Contracting Inc. | 585 |
| SPS Corp. | 423 |
| Staff Electric Co. Inc. | 197 |
| Standard Drywall Inc. | 79 |
| Stark Excavating Inc. | 251 |
| The State Group | 55 |
| SteelFab Inc. | 23 |
| Steiny and Co. Inc. | 221 |
| Sterling Boiler & Mechanical Inc. | 39 |
| Stewart Builders Inc. | 64 |
| Structural Group | 29 |
| Sullivan & McLaughlin Cos. Inc. | 160 |
| Sun Valley Masonry Inc. | 276 |
| Suntec Concrete | 182 |
| Sunwest Electric Inc. | 445 |
| Superior Rigging & Erecting Co. Inc. | 458 |
| Sure Steel Inc. | 357 |
| Swanson & Youngdale Inc. | 523 |
| H.T. Sweeney & Son Inc. | 515 |
| K.R. Swerdfeger Construction Inc. | 457 |
| TUV | |
| T.A.S. Commercial Concrete Construction LLC | 71 |
| Taylor Electric Inc. | 321 |
| TDIndustries | 44 |
| Team Fishel | 110 |
| Team Industrial Services | 20 |
| Techno Coatings Inc. | 412 |
| Tecta America Corp. | 19 |
| Tennessee Electric Co. | 535 |
| Terra Millennium Corp. | 115 |
| Terry’s Electric Inc. | 470 |
| Testa Corp. | 210 |
| Texas Scenic Co. | 578 |
| Thomas Co. Inc. | 443 |
| FD Thomas Inc. | 505 |
| Thompson Contracting, Grading, Paving & Util. | 400 |
| Thompson Electric Co. | 453 |
| Jerry Thompson & Sons Painting Inc. | 575 |
| Thorne Associates Inc. | 477 |
| Tilt-Con Corp. | 233 |
| Titan Contracting/Horn Industrial Services | 120 |
| TolTest Inc. | 101 |
| W.G. Tomko Inc. | 212 |
| Top Flite Construction Inc. | 479 |
| Topcor Cos. | 534 |
| Total Engineering, Inc | 434 |
| Tower Glass Inc. | 451 |
| Trainor Glass Co. | 107 |
| TREVIICOS | 390 |
| Tri City Electric Co. of Iowa | 287 |
| Tri-City Electrical Contractors Inc. | 102 |
| The Tri-M Group LLC | 361 |
| Tri-State Drilling Inc. | 478 |
| Tru Wall Concrete Inc. | 595 |
| Truesdell Corp. | 591 |
| Truland Systems Corp. | 48 |
| TSI / Exterior Wall Systems, Inc. | 319 |
| U.S. Engineering Co. | 113 |
| United Forming Inc. | 75 |
| United Group Services | 420 |
| Unity International Group Inc. | 77 |
| Universal Builders Supply Inc. | 323 |
| University Mechanical Contractors Inc. | 225 |
| Upchurch Plumbing Inc. | 344 |
| Urban Concrete Contractors Ltd. | 82 |
| USA Environment LP | 260 |
| Utility Contractors Inc. (dba UCI) | 495 |
| Van Ert Electric Co. Inc. | 298 |
| Vaughn Industries LLC | 263 |
| Vee-Jay Cement Contracting Co. Inc | 297 |
| Veit & Co. Inc. | 175 |
| D.C. Vient Inc. | 552 |
| VSC Fire & Security | 144 |
| WXYZ | |
| W & W Glass LLC | 184 |
| Wachter | 166 |
| E.S. Wagner Co. | 202 |
| Waldrop Mechanical Services | 539 |
| Walker Engineering Inc. | 90 |
| Walters & Wolf | 56 |
| C.P. Ward Inc. | 558 |
| R.W. Warner Inc. | 413 |
| Warwick Plumbing & Heating | 201 |
| WASCO Inc. | 433 |
| Washington Iron Works | 404 |
| Wayne Automatic Fire Sprinklers Inc. | 255 |
| Wayne Brothers Inc. | 482 |
| Wellington Power Corp. | 272 |
| West Electric Group | 553 |
| West Valley Construction Co. Inc. | 301 |
| WestCor Cos. | 385 |
| Western Construction Group | 114 |
| Westside Mechanical Group | 384 |
| White Electrical Construction Co. | 397 |
| Wiegmann Associates | 540 |
| TJ Wies Contracting Inc. | 450 |
| Wilks Masonry Corp. | 411 |
| The Williams Group | 140 |
| Kirk Williams Cos. | 592 |
| Wilson Electric Services Corp. | 183 |
| Woodland Construction Co. Inc. | 533 |
| Worth & Co. Inc. | 180 |
| Wyatt Inc. | 282 |
| Xavier Structures LLC | 475 |
| Yearout Mechanical Inc. | 217 |
| Young Plumbing & Heating | 543 |
| YTG LLC | 86 |
| A. Zahner Co. | 444 |
| Zebra Construction Co. Inc. | 465 |
| Ziolkowski Construction Inc. | 358 |
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