| JWJohn Williams Boat Company, INC. | Mount Desert | ME | Transportation Equipment Manufacturing336612 | 20-99 | ◐ LIKELY ACTIVE |
| KBKbs Builders, INC. | South Paris | ME | Wood Product Manufacturing321991 | 100-499 | ◐ LIKELY ACTIVE |
| KCKennebec Company | Bath | ME | Furniture and Related Product Manufacturing337110 | 20-99 | ◐ LIKELY ACTIVE |
| MWMaine Wood Concepts | New Vineyard | ME | Wood Product Manufacturing321912 | 20-99 | ◐ LIKELY ACTIVE |
| MBMathews Bakery Inc | Portland | ME | Food Manufacturing311811 | 20-99 | ◐ LIKELY ACTIVE |
| NRNatural Rocks Spring Water Ice Co, Inc | Eliot | ME | Beverage and Tobacco Product Manufacturing312113 | 1-19 | ◐ LIKELY ACTIVE |
| OMOdat Machine | Gorham | ME | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| POParadigm Operating Company, LLC | Portland | ME | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| PAPixelle Androscoggin | Jay | ME | Paper Manufacturing322110 | — | ◐ LIKELY ACTIVE |
| PMPrescott Metal | Biddeford | ME | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| SMSargent Materials | East Machias | ME | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| SMSouthern Maine Industries CORP | Gorham | ME | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| TYThayer's Y-knot Boatyard | North Haven | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◐ LIKELY ACTIVE |
| TITrombley Industries, INC. | Limestone | ME | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◐ LIKELY ACTIVE |
| CCCarrier Chipping INC | Skowhegan | ME | Wood Product Manufacturing321113 | 1-19 | ◇ UNVERIFIED |
| CWCousineaus Wood Products | North Anson | ME | Wood Product Manufacturing321113 | 20-99 | ◇ UNVERIFIED |
| ERExpanded Rubber Products, INC | Sanford | ME | Plastics and Rubber Products Manufacturing326192 | 20-99 | ◇ UNVERIFIED |
| GIGifford's Ice Cream, INC. | Skowhegan | ME | Food Manufacturing311511 | 20-99 | ◇ UNVERIFIED |
| HBHandy Boat Service | Falmouth | ME | Transportation Equipment Manufacturing336612 | 1-19 | ◇ UNVERIFIED |
| HMH&h Marine | Steuben | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◇ UNVERIFIED |
| ITIsf Trading Co, INC | Portland | ME | Food Manufacturing311710 | 20-99 | ◇ UNVERIFIED |
| KMKnight Marine Service | Rockland | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◇ UNVERIFIED |
| MPMattingly Products | North Anson | ME | Petroleum and Coal Products Manufacturing324121 | 1-19 | ◇ UNVERIFIED |
| MIMega Industries (gorham) | Gorham | ME | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MCMga Cast Stone INC | Oxford | ME | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NSNeokraft Signs INC | Lewiston | ME | Miscellaneous Manufacturing339950 | — | ◇ 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 |
| SMShucks Maine Lobster | Richmond | ME | Food Manufacturing311712 | 1-19 | ◇ UNVERIFIED |
| SMSouthern Maine Specialties | Saco | ME | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SSState Sand & Gravel INC | Belfast | ME | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| SSStiman Steel | Augusta | ME | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| TBTukey Brothers INC | Belgrade | ME | Wood Product Manufacturing321113 | 1-19 | ◇ UNVERIFIED |
| UWUSA Wood Concepts, INC. | New Vineyard | ME | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| WWahlcometroflex | Lewiston | ME | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| WYWilbur Yachts | Southwest Harbor | ME | Transportation Equipment Manufacturing336611 | 1-19 | ◇ UNVERIFIED |
| WWWindham Weaponry | Windham | ME | Fabricated Metal Product Manufacturing332994 | 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 |
| 5G5th Gen Signs Dba Neokraft Signs INC. | Lewiston | ME | Miscellaneous Manufacturing339950 | 20-99 | ◐ LIKELY ACTIVE |
| ADAbbott Diagnostics Scarborough INC. - 10 Southgate | Scarborough | ME | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| ADAbbott Diagnostics Scarborough INC. - Gannett | South Portland | ME | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
Advanced Instruments | Westbrook | ME | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| APAdvance Pierre Foods | Portland | ME | Food Manufacturing311412 | — | ◐ LIKELY ACTIVE |
| ABAmato's Bakery | Westbrook | ME | Food Manufacturing311812 | 20-99 | ◐ LIKELY ACTIVE |
| AWAndroscoggin Wooden Boat Works | Wayne | ME | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |