| JEJet Engine Technology | Danvers | MA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| LCL3 Communication | Ayer, Town of | MA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| MVMarthas Vineyard Shipyard INC | Tisbury | MA | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| PRPhelon R E Company | E Longmeadow | MA | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| TETurboprop East INC | North Adams | MA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| TCTympanium Corporation | Malden, City of | MA | Transportation Equipment Manufacturing336322 | — | ◇ UNVERIFIED |
| UCUS Coast Guard S. Weymouth Buoy Depot | Weymouth (south Weymouth) | MA | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| VDVelvet Drive Transmissions | New Bedford | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| 4L401 Logistics LLC | Attleboro | MA | Transportation Equipment Manufacturing336415 | — | ◐ LIKELY ACTIVE |
| APAce Precision, INC. | Agawam | MA | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| ABADESA Boston | Framingham | MA | Transportation Equipment Manufacturing336212 | 100-499 | ◐ LIKELY ACTIVE |
| AMAgile Mobile Gym Solutions LLC | New Bedford | MA | Transportation Equipment Manufacturing336214 | — | ◐ LIKELY ACTIVE |
| AWAviation Welding Technologies | Uxbridge | MA | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
Blue Water Autonomy, INC. | Lexington | MA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| BNBoston - Norfolk | Norfolk | MA | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| BSBoston Steel a Division of Tremcar USA | Haverhill | MA | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| CACarapace Armor Technology, LLC | North Andover | MA | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| CACarey Auto, INC | Plympton | MA | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| CMCRRC MA Corporation-Cabot | Boston | MA | Transportation Equipment Manufacturing336510 | 1-19 | ◐ LIKELY ACTIVE |
| CMCRRC MA Corporation-Quincy | Quincy | MA | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| CMCRRC MA Corporation-Wellington | Medford | MA | Transportation Equipment Manufacturing336510 | 1-19 | ◐ LIKELY ACTIVE |
| CICyy, INC | Osterville | MA | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| DGD. G. Marshall Associates, INC | Webster | MA | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| DTDive Technologies INC | Quincy | MA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| EAEnigma Aerospace, INC. | Burlington | MA | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
Frontrunner Bus Group, INC. | North Billerica | MA | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| GSGatm Solutions LLC | Plymouth | MA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - GBM01 | Waltham | MA | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| GEGeneral Electric Company | Boston | MA | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| GWGulfstream Westfield | Westfield | MA | Transportation Equipment Manufacturing336411 | 100-499 | ◐ LIKELY ACTIVE |
| HHmaqu01 | Quincy | MA | Transportation Equipment Manufacturing336612 | 20-99 | ◐ LIKELY ACTIVE |
| HTHyperion Transport Systems INC. | Boston | MA | Transportation Equipment Manufacturing336415 | — | ◐ LIKELY ACTIVE |
| JDJ. David White Associates, INC. | Cohasset | MA | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
| KSKairox Systems INC. | Cambridge | MA | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| LMLevi Mason Trading LLC | West Boylston | MA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation Chelmsford (1553) | Chelmsford | MA | Transportation Equipment Manufacturing336414 | 100-499 | ◐ LIKELY ACTIVE |
| NSNorth Shore Diving INC | Beverly | MA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| PCParker-hannifin Corporation | Devens | MA | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| RRaytheon_Andover_MA | Andover | MA | Transportation Equipment Manufacturing336419 | 500+ | ◐ LIKELY ACTIVE |
| RIRaytheon_Tewksbury Innovation_MA | Tewksbury | MA | Transportation Equipment Manufacturing336414 | 100-499 | ◐ LIKELY ACTIVE |
| RSRedline Space LLC | Westford | MA | Transportation Equipment Manufacturing336414 | — | ◐ LIKELY ACTIVE |
| RIRypos, Inc. | Franklin, MA 02038 | MA | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| TLToss Launch LLC | Boston | MA | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| VSVitesse Systems - Clinton | Clinton | MA | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| WIWinwick INC | Chicopee | MA | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| DIDavico INC | New Bedford | MA | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| 1C184 Commerce Park | Chatham | MA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| 3G300 Gulf LLC | South Dartmouth | MA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| AAAdvanced Aerostructures, Inc. | Holyoke | MA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| AIAerovironment Icne | Wilmington | MA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |