| BIBath Iron Works Corporation | Bath | ME | Transportation Equipment Manufacturing336611 | 500+ | ● ACTIVE |
B & B Precise Products INC | Benton | ME | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Hodgdon Shipbuilding, LLC | Southport | ME | Transportation Equipment Manufacturing336611 | 20-99 | ● ACTIVE |
Howe & Howe INC. | Waterboro | ME | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Lyman Morse Boatbuilding, INC. | Thomaston | ME | Transportation Equipment Manufacturing336612 | 20-99 | ● ACTIVE |
Messer Truck Equipment | Westbrook | ME | Transportation Equipment Manufacturing336211 | 20-99 | ● ACTIVE |
Rockland Marine CORP | Rockland | ME | Transportation Equipment Manufacturing336611 | 20-99 | ● ACTIVE |
| WDWashburn & Doughty Associates, INC. | East Boothbay | ME | Transportation Equipment Manufacturing336611 | 20-99 | ● ACTIVE |
Blushift Aerospace INC | Brunswick | ME | Transportation Equipment Manufacturing336415 | — | ● ACTIVE |
Chambers Leasing | Manchester | ME | Transportation Equipment Manufacturing336212 | — | ● ACTIVE |
C.r.m. Enterprises, INC. | Lewiston | ME | Transportation Equipment Manufacturing336390 | — | ● ACTIVE |
Rtx CORP | North Berwick | ME | Transportation Equipment Manufacturing336412 | — | ● ACTIVE |
Valt Enterprizes, INC. | Presque Isle | ME | Transportation Equipment Manufacturing336414 | — | ● ACTIVE |
| FMFiber Materials INC. | Biddeford | ME | Electrical Equipment, Appliance & Component Manufacturing335991 | 100-499 | ▲ REPORTED CLOSED |
| FIFss, INC. | Belfast | ME | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| IIntermat | Biddeford | ME | Electrical Equipment, Appliance & Component Manufacturing335991 | 20-99 | ▲ REPORTED CLOSED |
| 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 |
| BBBrooklin Boat Yard | Brooklin | ME | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| SYSabre Yachts | Raymond | ME | Transportation Equipment Manufacturing336611 | 100-499 | ◐ LIKELY ACTIVE |
| ISInnovative Specialties, LLC | Pittsfield | ME | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| PNPortsmouth Naval Shipyard | Kittery | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| BIBath Iron Works Corporation - Harding Facility | Brunswick | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| BIBath Iron Works Ebmf | Brunswick | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| BDBillings Diesel and Marine Services Boatyard | Stonington | ME | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| BBBlakes Boatyard | West Boothbay Harbor | ME | Transportation Equipment Manufacturing336612 | 1-19 | ◐ LIKELY ACTIVE |
| HYHinckley Yachts | Trenton | ME | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| PWPratt & Whitney | North Berwick | ME | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| WCWesmac Custom Boats INC | Surry | ME | Transportation Equipment Manufacturing336612 | 20-99 | ◇ UNVERIFIED |
| CMCoastal Metal Fab | Topsham | ME | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
Fogg's Boatworks, LLC | North Yarmouth | ME | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| HCHews Company, LLC | South Portland | ME | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| JWJohn Williams Boat Company, INC. | Mount Desert | ME | Transportation Equipment Manufacturing336612 | 20-99 | ◐ LIKELY ACTIVE |
| TYThayer's Y-knot Boatyard | North Haven | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◐ LIKELY ACTIVE |
| HBHandy Boat Service | Falmouth | ME | Transportation Equipment Manufacturing336612 | 1-19 | ◇ UNVERIFIED |
| HMH&h Marine | Steuben | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◇ UNVERIFIED |
| KMKnight Marine Service | Rockland | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◇ UNVERIFIED |
| NMNewcastle Marine, INC | Newcastle | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◇ UNVERIFIED |
| PEPaul E Luke Boat Yard | East Boothbay | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◇ UNVERIFIED |
| PMPelletier Manufacturing, INC. | Millinocket | ME | Transportation Equipment Manufacturing336212 | 20-99 | ◇ UNVERIFIED |
| RRRoyal River Boat Yard | Yarmouth | ME | Transportation Equipment Manufacturing336612 | 1-19 | ◇ UNVERIFIED |
| SCSeal Cove Boat Yard | Harborside | ME | Transportation Equipment Manufacturing336612 | 20-99 | ◇ UNVERIFIED |
| SIShipyard in Boothbay Harbor L | Boothbay Harbor | ME | Transportation Equipment Manufacturing336611 | 20-99 | ◇ UNVERIFIED |
| WYWilbur Yachts | Southwest Harbor | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◇ UNVERIFIED |
| YMYankee Marina INC | Yarmouth | ME | Transportation Equipment Manufacturing336611 | 20-99 | ◇ UNVERIFIED |
| YMYork Marine INC | Rockland | ME | Transportation Equipment Manufacturing336612 | 1-19 | ◇ UNVERIFIED |
| AWAndroscoggin Wooden Boat Works | Wayne | 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 |
| GAGreisen Aerospace, LLC | Brunswick | ME | Transportation Equipment Manufacturing336419 | 1-19 | ◐ LIKELY ACTIVE |