| EMElite Metal Fabricators, INC. | Newark | TX | — | ◇ UNVERIFIED |
| ECElk City Sheet Metal, INC. | Elk City | OK | — | ◇ UNVERIFIED |
| EPElkhart Products Corporation | Westville | OK | — | ◇ UNVERIFIED |
| ERElk River Machine Company | Elk River | MN | — | ◇ UNVERIFIED |
| ECElliott Company | Fairfield | CA | — | ◇ UNVERIFIED |
| EMElliott Maintenance Service INC | Springville | TN | — | ◇ UNVERIFIED |
| ESElliott's Specialty Sheet Metal INC | Eugene | OR | — | ◇ UNVERIFIED |
| EMEllison Manufacturing Company | Chamblee | GA | — | ◇ UNVERIFIED |
| EPEl Paso Machine & Steel INC. | El Paso | TX | — | ◇ UNVERIFIED |
| ESElro Signs | Gardena | CA | — | ◇ UNVERIFIED |
| EIElucia INC Dba American Sheet Metal | Anaheim | CA | — | ◇ UNVERIFIED |
| ESElward Systems Corporation | Lakewood | CO | — | ◇ UNVERIFIED |
| EBEmblem & Badge INC | Providence | RI | — | ◇ UNVERIFIED |
| EPEmbossing Plus INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| EIEmco INC Stamped Prods | Gadsden | AL | — | ◇ UNVERIFIED |
 Emcor Enclosures | Rochester | MN | — | ◇ UNVERIFIED |
| ECEmf CO INC | Dallas | TX | — | ◇ UNVERIFIED |
| ECEmf CO INC | Dallas | TX | — | ◇ UNVERIFIED |
| ETEmhart Teknologies LLC | Stanfield | NC | — | ◇ UNVERIFIED |
| EGEmmaus Group, LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| ECEmpire Corporation | White Bear Lake | MN | — | ◇ UNVERIFIED |
| EFEmpire Fence | Saint Louis | MO | — | ◇ UNVERIFIED |
| ESEmpire Structural Steel | San Antonio | TX | — | ◇ UNVERIFIED |
| EWEmpire West Pipe LLC | Springville | UT | — | ◇ UNVERIFIED |
| EIEmplicity INC | Sacramento | CA | — | ◇ UNVERIFIED |
| EEEms Equipment INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| ECEnclos Corporation | Chester | VA | — | ◇ UNVERIFIED |
| EMEnclose Manufacturing, Inc. | Mitchell | SD | — | ◇ UNVERIFIED |
| EAEnclosures and Cases, Inc. | Two Harbors | MN | — | ◇ UNVERIFIED |
| EAEnclosures and Cases INC | Duluth | MN | — | ◇ UNVERIFIED |
| EIEncore Industries | San Jose | CA | — | ◇ UNVERIFIED |
| ECEnergy Control-new York, INC. | Holbrook | NY | — | ◇ UNVERIFIED |
| ECEnergy Control Systems, INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| EHEnergyCS Holdings, LLC | Gillette | WY | — | ◇ UNVERIFIED |
| ESEnergy Steel CORP Dba O'brien Iron Works | Concord | CA | — | ◇ UNVERIFIED |
| ETEnergy Transfer | Carrollton | OH | — | ◇ UNVERIFIED |
| EIEnerpipe INC. | New London | WI | — | ◇ UNVERIFIED |
| EFEngineered Flexible Products INC | Saint Michael | MN | — | ◇ UNVERIFIED |
| ESEngineered Steel Products, INC. | Sophia | NC | — | ◇ UNVERIFIED |
| ESEngineered Steel Services, LLP | Greensboro | NC | — | ◇ UNVERIFIED |
| ETEngineered Technical Products, INC. | Riverside | CA | — | ◇ UNVERIFIED |
| EWEngineered Wall Systems LLC | West Jordan | UT | — | ◇ UNVERIFIED |
| ESEngineering & Sheetmetal Specialists, LLC | Nashville | TN | — | ◇ UNVERIFIED |
| EIEngines INC. | Huntington | WV | — | ◇ UNVERIFIED |
| EDEngland Dock Construction | Afton | OK | — | ◇ UNVERIFIED |
| ESEnnis Steel Industries, INC. | Fort Worth | TX | — | ◇ UNVERIFIED |
| ECEntenmann-rovin CO | Commerce | CA | — | ◇ UNVERIFIED |
| EAEnterprise Air, LLC | Lindon | UT | — | ◇ UNVERIFIED |
| EFEnterprise Fabricators CO INC | Milwaukie | OR | — | ◇ UNVERIFIED |
| EMEnterprise Manufacturing, LLC | Tulsa | OK | — | ◇ UNVERIFIED |
