| Mackenzie Automatic Doors Inc. | North Bergen | NJ | $0 |
| Mackenzie Group Inc. | North Bergen | NJ | $0 |
| Marshall Maintenance | Trenton | NJ | Subcontractor |
| Martin Elevators | Placerville | CA | $0 |
| Martin Garage Doors Of Nevada LLC | Las Vegas | NV | $0 |
| Mathand, Inc. | Woodstock | GA | Subcontractor |
| Mckendry Door Sales, Inc. | Santa Fe Springs | CA | Subcontractor |
| Mechanical Insulation Services, Incorporated | Concord | CA | $0 |
| Mechanical Systems Insulation, LLC | Boyce | LA | $0 |
| Meiko USA Inc. | La Vergne | TN | $0 |
| Mei Rigging & Crating LLC | Salisbury | MA | Subcontractor |
| Mei Rigging & Crating, LLCMorrisville, PA · UEI ED8BKRCQBFJ7 | Morrisville | PA | Subcontractor |
| Mei Rigging & Crating, LLCSparks, NV · UEI PB8VC9VPPUD5 | Sparks | NV | Subcontractor |
| Midland Thermal Inc. | Kansas City | MO | Subcontractor |
| Mid Valley Rigging & Crating LLC | Albany | OR | $0 |
| Midwest Elevator Co. Inc. | Saint Louis | MO | Subcontractor |
| Miller Insulation Co. Inc. | Bismarck | ND | $0 |
| Missouri Door Company, Inc. | Kansas City | KS | Subcontractor |
| M & M Service Station Equipment Specialist, Inc. | Covington | KY | $0 |
| Murphy Rigging And Erecting, Inc. | Saint Paul | MN | Subcontractor |
| Ness Door, LLC | Watertown | SD | $0 |
| Network Cabling Infrastructures, LLC | Duluth | GA | Subcontractor |
| Neumann Insulation Company | Cloquet | MN | $0 |
| Norcostco Inc. | Denver | CO | $0 |
| Northeast Lightning Protection LLC | Bloomfield | CT | $0 |
| Northeast Stage LLC | Manasquan | NJ | Subcontractor |
| Omega Morgan Holdings, Inc. | Hillsboro | OR | Subcontractor |
| Omega Rigging & Machinery Moving, Inc.Fife, WA · UEI CDSCMZQV3JK9 | Fife | WA | Subcontractor |
| Omega Rigging & Machinery Moving, Inc.Fife, WA · UEI SRGNRUCAKB36 | Fife | WA | Subcontractor |
| Omni Mobility Services, LLC | Pearl River | LA | $0 |
| Orbit Sheet Metal And Millwright Services, Inc. | Dayton | OH | Subcontractor |
| Orness Design Group, Inc. | San Diego | CA | Subcontractor |
| Overhead Door Company Of Hartford, Inc. | Hartford | CT | $0 |
| Overhead Door Company Of Terre Haute Inc. | Terre Haute | IN | $0 |
| Overhead Door Co. Of Providence, Inc. | Warwick | RI | Subcontractor |
| Overhead Door Co. Of Tulsa | Tulsa | OK | $0 |
| Overhead Innovations, LLC | Rainier | WA | Subcontractor |
| Ozark Door Co. LLC | Fort Smith | AR | Subcontractor |
| Pace Equipment Company | Wilsonville | OR | $0 |
| Pacific Lift And Equipment Company, Inc. | Pasadena | CA | $0 |
| Pacific Pile & Crane Inc. | Wailuku | HI | Subcontractor |
| Pacific Technical Services Guam, Inc. | Barrigada | GU | $0 |
| Palmetto Overhead Door Inc. | North Augusta | SC | $0 |
| Patrick Allen Companies, LLC | Meridian | MS | $0 |
| Paul Reilly Co. Illinois, Inc. | Glendale Heights | IL | $0 |
| Performance Contracting Inc. | San Antonio | TX | $0 |
| Petrochem Insulation, Inc. | Tempe | AZ | Subcontractor |
| Pioneer Door, Inc. | Anchorage | AK | Subcontractor |
| Plyler Enterprises Inc. | Mc Kean | PA | $0 |
| Precision Installations And Services, Inc. | Novi | MI | $0 |
| Premier Door Solutions, LLC | San Antonio | TX | $0 |
| Quality Door Service Inc. | Hillsboro | OR | $0 |
| Rhino Insulation Inc. | Baltimore | MD | Subcontractor |
| River City Door LLC | Midland | GA | Subcontractor |
| RNB Enterprises Inc. | Oxford | CT | $0 |
| Rocky Mountain Access Controls, Inc. | Commerce City | CO | Subcontractor |
| Rowens Enterprises Ltd. | Reading | PA | $0 |
| R&S Maintenance Services, Inc. | Meriden | KS | Subcontractor |
| Scheib Corporation | Green Island | NY | Subcontractor |
| Scoreboard Enterprises Inc. | Mansfield | MA | $0 |
| Scott Doom Contracting, Inc. | Wagner | SD | $0 |
| Sebicom LLC | Glen Gardner | NJ | $0 |
| Sierra Structures, Inc. | Durham | NC | Subcontractor |
| SNB Co. Ltd. | Gwangju-si | | $0 |
| Southeastern Dock & Door, LLC | Greenville | SC | $0 |
| Southern Overhead Door, Inc. | Irondale | AL | Subcontractor |
| Southern Tower Services LLC | Chester | GA | $0 |
| Specialty Metal Services, Inc. | Parkersburg | WV | $0 |
| Starr Equipment Company, Inc. | Knoxville | TN | Subcontractor |
| Superior Scaffolding & Insulation, Inc. | Decatur | AL | Subcontractor |
| TBN Associates, Inc. | Lanham | MD | Subcontractor |
| Team Industrial Contracting Services, LLC | Piqua | OH | Subcontractor |
| The Elevator Co. | Rancho Cucamonga | CA | Subcontractor |
| Thompson Garage Doors, Inc. | Sparks | NV | $0 |
| Tk Elevator Corp.New Orleans, LA · UEI CKCQQA31NDJ7 | New Orleans | LA | $0 |
| Tk Elevator Corp.Corpus Christi, TX · UEI HG1GHNK95JL8 | Corpus Christi | TX | $0 |
| Tk Elevator Corp.Knoxville, TN · UEI TDHXWLCCM355 | Knoxville | TN | $0 |
| Tk Elevator CorporationChesapeake, VA · UEI E4PWNDSMK2S5 | Chesapeake | VA | Subcontractor |
| Tk Elevator CorporationTampa, FL · UEI WMVRDVV8MBC3 | Tampa | FL | Subcontractor |
| T-N-C Inc. | Pierre | SD | $0 |
| Total Access & Mobility Inc. | West Chester | PA | $0 |
| Trinity Door Systems Inc. | New Springfield | OH | Subcontractor |
| Trinity Energy Insulation, LLC | Rosedale | MD | Subcontractor |
| Triveneto S.R.L. | Cornuda | TUV | $0 |
| Truss Link Inc. | Irmo | SC | Subcontractor |
| Universal Lightning Protection, Inc. | Rockville | MD | Subcontractor |
| Vertical Crop Consultants Inc. | Wilmington | NC | $0 |
| Vertical Environmental Solutions Inc. | Hewitt | NJ | Subcontractor |
| Vital Fuel Systems, Inc. | Apex | NC | Subcontractor |
| Volco Inc. | Boise | ID | $0 |
| Walker Brothers Machinery Moving, Inc. | Anaheim | CA | Subcontractor |
| Wayne Garage Door Sales & Service Inc. | Sugarcreek | OH | $0 |
| West Coast Elevator, LLC | Des Moines | WA | Subcontractor |
| Western Industrial Door Co. | Midvale | UT | $0 |
| Western Lightning & Grounding LLC | Tempe | AZ | Subcontractor |
| William Harrison Group LLC | Eagle River | WI | $0 |
| Windsor Door Sales And Security, Inc. | Albuquerque | NM | $0 |
| Woods Commercial Door Incorporated | Corona | CA | Subcontractor |
| Wood Stear & Ledoux Inc. | Lorton | VA | $0 |
| Zumwalt Corporation | Saint Louis | MO | Subcontractor |
