| KIKelco Industries | Milbridge | 20–99 | ◐ LIKELY ACTIVE |
 Kennebec Technologies Main Office | Augusta | 20–99 | ◐ LIKELY ACTIVE |
| LMLimerick Machine Co., INC | Limerick | — | ◐ LIKELY ACTIVE |
| LALinde AMT Maine | Biddeford | 20–99 | ◐ LIKELY ACTIVE |
| LELittle Enterprises North | Whitefield | 20–99 | ◐ LIKELY ACTIVE |
| LFLyman-Morse Fabrication | Thomaston | 1–19 | ◐ LIKELY ACTIVE |
| MMaine | Kingfield | 20–99 | ◐ LIKELY ACTIVE |
| MMMaine Machine Products Company | South Paris | — | ◐ LIKELY ACTIVE |
| PPPiscataquis Precision Machining | Sangerville | — | ◐ LIKELY ACTIVE |
| PFPorvair Filtration Group - Caribou | Caribou | 20–99 | ◐ LIKELY ACTIVE |
| QSQuantumClean - Scarborough | Scarborough | 20–99 | ◐ LIKELY ACTIVE |
| RPRound Pond | Bristol | 20–99 | ◐ LIKELY ACTIVE |
| SFSenior Flexonics Pathway - Maine | Lewsiton | 20–99 | ◐ LIKELY ACTIVE |
| SMSloat's Machining & Fabrication | Houlton | — | ◐ LIKELY ACTIVE |
| SWSmith & Wesson Houlton ME Site A | Houlton | 20–99 | ◐ LIKELY ACTIVE |
| TMThs Machine, INC. | Hampden | — | ◐ LIKELY ACTIVE |
| TWToby W Kenniston | Rockland | — | ◐ LIKELY ACTIVE |
| VGVELUX Greenwood - Wells, ME | Wells | 20–99 | ◐ LIKELY ACTIVE |
| NCNorth Country Wind Bells INC. | Round Pond | — | ◇ UNVERIFIED |
| ABA & B Welding, LLC | Union | — | ◇ UNVERIFIED |
| ALAdz, LLC | Rockland | — | ◇ UNVERIFIED |
| APAir Purchases of New Hampshire, INC. | Eliot | — | ◇ UNVERIFIED |
| AAAquilla and Neptun Enterprises, LLC | Ocean Park | — | ◇ UNVERIFIED |
| AIArcast, Inc. | Oxford | — | ◇ UNVERIFIED |
| BKBaryonyx Knife Company LLC | Bar Harbor | — | ◇ UNVERIFIED |
| BMBelanger Metalworks LLC | Biddeford | — | ◇ UNVERIFIED |
| BBBlack Bear Industrial | Rumford | — | ◇ UNVERIFIED |
| BTBlast Tech Enterprises | Raymond | — | ◇ UNVERIFIED |
| BGBrown's Greens | Brooksville | — | ◇ UNVERIFIED |
| CWCarrier Welding and Fabrication, LLC | Wilton | — | ◇ UNVERIFIED |
| CBCasco Bay Steel - Saco | Saco | — | ◇ UNVERIFIED |
| CBCasco Bay Steel Structures, INC. | South Portland | — | ◇ UNVERIFIED |
| CMCedar Mountain Cupolas LLC | Gray | — | ◇ UNVERIFIED |
| CMCentral Maine Metal Fabrication LLC | Pittsfield | — | ◇ UNVERIFIED |
| CFCianbro Fab & Coating CORP (bangor) | Bangor | — | ◇ UNVERIFIED |
| CCCives Corporation - Augusta | Augusta | — | ◇ UNVERIFIED |
| CICoastal Industrial Distributors, INC. | Saco | — | ◇ UNVERIFIED |
| CMCox Machine, LLC | Searsmont | — | ◇ UNVERIFIED |
| CICumberland Ironworks, INC. | Durham | — | ◇ UNVERIFIED |
| DMDewitt Machine & Fabrication, INC. | Medford | — | ◇ UNVERIFIED |
| DFDowneast Fishing Gear, INC. | Ellsworth | — | ◇ UNVERIFIED |
| DEDown East Machines & Engineering | Mechanic Falls | — | ◇ UNVERIFIED |
| EAEmerson Apparatus Company | Gorham | — | ◇ UNVERIFIED |
| FIFabco, INC. | Winthrop | — | ◇ UNVERIFIED |
| GLGrimburg Less Lethal LC | Bridgton | — | ◇ UNVERIFIED |
| HRHarmac Rebar & Steel CORP | Fryeburg | — | ◇ UNVERIFIED |
| IMInnovative Machining Solutions Inc. | Vienna | — | ◇ UNVERIFIED |
| IIIrwin Industrial Tool | Gorham | — | ◇ UNVERIFIED |
| ITIrwin Tools | Gorham | — | ◇ UNVERIFIED |
| JAJames a Mcbrady, INC | Scarborough | — | ◇ UNVERIFIED |
