| FEFreedom's Edge Cider Company | Albion | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| FCFtir Com LLC | Benton | ME | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| FHFY Holdings Corp | Etna | ME | Textile Mills313110 | 1-19 | ◐ LIKELY ACTIVE |
| GSGagne & Son Corporate | Belgrade | ME | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| GEGarage Engineering LLC | Wells | ME | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| GBGeaghan Brothers Brewing Company | Bangor | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Ordnance and Tactical Systems | Saco | ME | Fabricated Metal Product Manufacturing332994 | 100-499 | ◐ LIKELY ACTIVE |
| GVGE Vernova - Gas Power Bangor ME | Bangor | ME | Machinery Manufacturing333611 | 100-499 | ◐ LIKELY ACTIVE |
| GGG & G Products LLC | Kennebunk | ME | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| GDGifford's Dairy, Inc. | Skowhegan | ME | Food Manufacturing311520 | 20-99 | ◐ LIKELY ACTIVE |
| GMGlens Mobile Marine Repair LLC | Eliot | ME | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| GDGranite+Leonard Distilling | Scarborough | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| GAGreisen Aerospace, LLC | Brunswick | ME | Transportation Equipment Manufacturing336419 | — | ◐ LIKELY ACTIVE |
| HCHancock Concrete Plant | Hancock | ME | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| HLHancock Lumber Company-Mainely Trusses | Fairfield | ME | Wood Product Manufacturing321214 | 20-99 | ◐ LIKELY ACTIVE |
| HLHancock Lumber Company- Pittsfield Sawmill | Pittsfield | ME | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| HDHardshore Distilling Company | Portland | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HPHarvey Performance Operating - Gorham Maine | Gorham | ME | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| HOHeart of Maine Winery, LLC | Lincoln | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HPHelios Packaging LLC | Scarborough | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HBHerring Brothers, Inc. | Guilford | ME | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| HCHews Company, LLC | South Portland | ME | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| HSHidden Spring Winery | Hodgdon | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HRHigh Ridge Farm | Montville | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HEHightech Extracts, LLC | Biddeford | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HFHoldfast Fermentation LLC | Rockland | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HOHooper's Orchard, LLC | Monroe | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HFHP Fairfield - ME | Skowhegan | ME | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| HHHP Hood- Portland | Portland | ME | Food Manufacturing311511 | 100-499 | ◐ LIKELY ACTIVE |
| HSH&S Spirits | Harrington | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| IWIDEXX World Campus | Westbrook | ME | Chemical Manufacturing325413 | 500+ | ◐ LIKELY ACTIVE |
| IWIdleWild Whiskey Company | Milo | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| IOID OneMaine | Scarborough | ME | Chemical Manufacturing325413 | 500+ | ◐ LIKELY ACTIVE |
| ITIllinois Tool Works Inc. | Mechanic Falls | ME | Electrical Equipment, Appliance & Component Manufacturing335991 | 20-99 | ◐ 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 |
| IPInternational Paper (2) | Auburn | ME | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| IPIpi Press INC. | Union | ME | Printing and Related Support Activities323117 | — | ◐ LIKELY ACTIVE |
| JHJames H Camp Jr | Winterville Plt | ME | Wood Product Manufacturing321113 | — | ◐ LIKELY ACTIVE |
| JIJD Irving Masardis sawmill | Masardis | ME | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| JPJohn & Patricia Cormier | Farmington | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| JEJordan Equipment CO | Falmouth | ME | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| JMJR Metal Frames Mfg., Inc. | Belgrade | ME | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| JSJSI Store Fixtures Bangor | Bangor | ME | Furniture and Related Product Manufacturing337215 | 20-99 | ◐ LIKELY ACTIVE |
| KIKelco Industries | Milbridge | ME | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| KKerry | Portland | ME | Food Manufacturing311920 | 20-99 | ◐ LIKELY ACTIVE |
| KKittery | Kittery | ME | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| KRKJPL Restaurants, Inc. | Greene | ME | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| KIKristoff INC. | Monmouth | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| KTKv Tooling Systems, LLC | Augusta | ME | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |