| NPNichols Portland, LLC | Portland | ME | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| NENorth End Composites | Rockland | ME | Transportation Equipment Manufacturing336612 | 100-499 | ◐ LIKELY ACTIVE |
| PNPortsmouth Naval Shipyard | Kittery | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| SYSabre Yachts | Raymond | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
Fogg's Boatworks, LLC | North Yarmouth | ME | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| FEFisher Engineering | Rockland | ME | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| FSFront Street Shipyard | Belfast | ME | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| IBIndependent Boat Haulers | Eliot | ME | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| JAJerome a Morris | Union | ME | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| NGNewman & Gray Boatyard | Cranberry Isles | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| PSPaul S Marina | Brunswick | ME | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| RMRockport Marine | Rockport | ME | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| YHYork Harbor Marine Service | York | ME | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| BRBoothbay Region Boatyard | Southport | ME | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| JOJ O Brown & Son | North Haven | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| OPOcean Pursuits | Rockland | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| TYThayer's Y-knot Boatyard | North Haven | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| WDWashburn & Doughty, INC. (west Annex) | East Boothbay | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| 1T104956 - TIC - NAVFAC Portsmouth Dry Dock P-381 | Kittery | ME | Transportation Equipment Manufacturing336611 | 100-499 | ◐ LIKELY ACTIVE |
| CMCoastal Metal Fab | Topsham | ME | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| GMGlens Mobile Marine Repair LLC | Eliot | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| GAGreisen Aerospace, LLC | Brunswick | ME | Transportation Equipment Manufacturing336419 | — | ◐ LIKELY ACTIVE |
| HCHews Company, LLC | South Portland | ME | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| ILIMIA, LLC Kittery | Kittery | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◐ LIKELY ACTIVE |
| ISInnovative Specialties, LLC | Pittsfield | ME | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| PWPratt & Whitney North Berwick Parts Center | North Berwick | ME | Transportation Equipment Manufacturing336412 | 500+ | ◐ LIKELY ACTIVE |
| RCRtx CORP | North Berwick | ME | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| SBSerco - Bath, ME | Bath | ME | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| SASomic America | Brewer | ME | Transportation Equipment Manufacturing336330 | 100-499 | ◐ LIKELY ACTIVE |
| TPTrenton Production | Trenton | ME | Transportation Equipment Manufacturing336612 | 100-499 | ◐ LIKELY ACTIVE |