| GDGrapevine D'vine LLC | Lancaster, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| GMGreatbatch Medical | Alden, NY | Electrical Equipment, Appliance & Component Manufacturing335912 | 500+ | ◐ LIKELY ACTIVE |
| GLGreat Lakes Vault & Precast LLC-Lancaster | Lancaster, NY | Nonmetallic Mineral Product Manufacturing327390 | 1–19 | ◐ LIKELY ACTIVE |
| GGreif | Cheektowaga, NY | Paper Manufacturing322219 | 20–99 | ◐ LIKELY ACTIVE |
| HGHabasit Globe Inc | Buffalo, NY | Plastics and Rubber Products Manufacturing326220 | 20–99 | ◐ LIKELY ACTIVE |
| HBHamburg Brewing Company, LLC | Hamburg, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HAHartland Abattoir Corp | Gasport, NY | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| HDHartman's Distilling Co. | Buffalo, NY | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HMHebeler-Howard Marten Manufacturing LLC. | Tonawanda, NY | Machinery Manufacturing333999 | 1–19 | ◐ LIKELY ACTIVE |
| HIHesse Industrial Sales, Inc. | Orchard Park, NY | Fabricated Metal Product Manufacturing332410 | 20–99 | ◐ LIKELY ACTIVE |
| HIHFW Industries, Inc. | Buffalo, NY | Fabricated Metal Product Manufacturing332721 | 20–99 | ◐ LIKELY ACTIVE |
| HTHoneymoon Trail Winery LLC | Cambria, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HHoneywellNY76 | Tonawanda, NY | Fabricated Metal Product Manufacturing332117 | 20–99 | ◐ LIKELY ACTIVE |
| HUHowden USA Company | Depew, NY | Machinery Manufacturing333413 | 100–499 | ◐ LIKELY ACTIVE |
| ILIMA Life | Tonawanda, NY | Miscellaneous Manufacturing339113 | 100–499 | ◐ LIKELY ACTIVE |
Immediate Mailing Services, Inc. | Buffalo, NY | Printing and Related Support Activities323111 | 20–99 | ◐ LIKELY ACTIVE |
| IMIndiana Military Recycling, LLC | Amherst, NY | Fabricated Metal Product Manufacturing332993 | — | ◐ LIKELY ACTIVE |
| IRIngersoll Rand | Buffalo, NY | Machinery Manufacturing333912 | 100–499 | ◐ LIKELY ACTIVE |
| IPIngredients Plus Logistics Buffalo, NY | Buffalo, NY | Food Manufacturing311999 | 1–19 | ◐ LIKELY ACTIVE |
| ISInnomotive Solutions Group, LLC | Lancaster, NY | Transportation Equipment Manufacturing336211 | 20–99 | ◐ LIKELY ACTIVE |
| IIInternational Imaging Materials, Inc. | Amherst, NY | Miscellaneous Manufacturing339940 | 100–499 | ◐ LIKELY ACTIVE |
| ICIron Cedar Brewing & Meadery | Cheektowaga, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| JEJagg Electrical & Control, LLC | Lancaster, NY | Electrical Equipment, Appliance & Component Manufacturing335313 | 20–99 | ◐ LIKELY ACTIVE |
| KAKatz Americas - North | Sanborn, NY | Printing and Related Support Activities323111 | 20–99 | ◐ LIKELY ACTIVE |
| KDKinedyne DBA ELT | Orchard Park, NY | Primary Metal Manufacturing331210 | 1–19 | ◐ LIKELY ACTIVE |
| KMKoch Metal Spinning | Buffalo, NY | Fabricated Metal Product Manufacturing332439 | 20–99 | ◐ LIKELY ACTIVE |
| LSLadonna Swan INC | Hamburg, NY | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
| LLLalm, LLC | Buffalo, NY | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| LLancaster | Lancaster, NY | Machinery Manufacturing333249 | 20–99 | ◐ LIKELY ACTIVE |
| LULangford USA | North Collins, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LCLardon Construction CORP | Buffalo, NY | Wood Product Manufacturing321999 | — | ◐ LIKELY ACTIVE |
| LBLatina Boulevard Foods, LLC | Cheektowaga, NY | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| LQLe Q Landing L.l.c. | Lockport, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LBLilly Belle Meads | West Seneca, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LNLinde Niagara Falls | Niagara Falls, NY | Chemical Manufacturing325120 | 20–99 | ◐ LIKELY ACTIVE |
| LMListon Manufacturing Inc. | North Tonawanda, NY | Fabricated Metal Product Manufacturing332710 | 20–99 | ◐ LIKELY ACTIVE |
| LCLitelab CORP. | Buffalo, NY | Electrical Equipment, Appliance & Component Manufacturing335132 | — | ◐ LIKELY ACTIVE |
| LBLiten Buffel | Middleport, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation US NY Niagara Falls Blvd (1951) | Niagara Falls, NY | Computer and Electronic Product Manufacturing334511 | 20–99 | ◐ LIKELY ACTIVE |
| LDLockhouse Distillery | Buffalo, NY | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| LLockport | Lockport, NY | Nonmetallic Mineral Product Manufacturing327390 | 20–99 | ◐ LIKELY ACTIVE |
| LOLockport Operations | Loc, NY | Primary Metal Manufacturing331110 | 20–99 | ◐ LIKELY ACTIVE |
| LCLong Cliff Vineyard & Winery | Sanborn, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LLsi-ny | East Aurora, NY | Electrical Equipment, Appliance & Component Manufacturing335129 | 100–499 | ◐ LIKELY ACTIVE |
| LCLumber City Winery, LLC | North Tonawanda, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LPLynx Product Group, LLC | Wilson, NY | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| MMMac Metals and Alloys, INC | Orchard Park, NY | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| MSMain Street | Clarence, NY | Fabricated Metal Product Manufacturing332999 | 100–499 | ◐ LIKELY ACTIVE |
| MMManth Mfg. | Tonawanda, NY | Fabricated Metal Product Manufacturing332710 | 20–99 | ◐ LIKELY ACTIVE |
| MBMaterion - Buffalo | Buffalo, NY | Primary Metal Manufacturing331491 | 100–499 | ◐ LIKELY ACTIVE |