| MRMetrex Research | Romulus | MI | Chemical Manufacturing325612 | — | ◐ LIKELY ACTIVE |
| CACadillac Asphalt, Llc, Romulus | Romulus | MI | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| MFMbm Fabricators Company Incorporated | Romulus | MI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| MAMichigan Atf Holdings LLC | Romulus | MI | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| GMGeneral Motors Romulus Engine Plant | Romulus | MI | Transportation Equipment Manufacturing336310 | — | ◐ LIKELY ACTIVE |
| KWKreher Wire Processing | Romulus | MI | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| WRWoodbridge Romulus Corporation | Romulus | MI | Plastics and Rubber Products Manufacturing326150 | — | ◐ LIKELY ACTIVE |
| LMLandis Machine Shop-romulus | Romulus | MI | Fabricated Metal Product Manufacturing332919 | — | ◐ LIKELY ACTIVE |
| SESaturn Electronics CORP. | Romulus | MI | Computer and Electronic Product Manufacturing334412 | — | ◐ LIKELY ACTIVE |
| UBUnited Brass Manufacturer | Romulus | MI | Fabricated Metal Product Manufacturing332112 | 1-19 | ◐ LIKELY ACTIVE |
| UBUnited Brass Manufacturer-maching Divison | Romulus | MI | Fabricated Metal Product Manufacturing332439 | 1-19 | ◐ LIKELY ACTIVE |
| USU S Seneca Army Depot | Romulus | NY | Fabricated Metal Product Manufacturing332993 | — | ◐ LIKELY ACTIVE |
Western Ag Enterprises, INC | Romulus | NY | Textile Product Mills314910 | 1-19 | ◐ LIKELY ACTIVE |
| AMAjax Materials Corporation | Romulus | MI | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| GIGranite Inliner, LLC | Romulus | MI | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| KCKerr Corporation / Romo Manufacturing | Romulus | MI | Miscellaneous Manufacturing339114 | — | ◐ LIKELY ACTIVE |
| AGAe Group LLC | Romulus | MI | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| BFBarry Family Cellars | Romulus | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| BEBelhurst Estate Winery, INC. | Romulus | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| BMBills Market, Inc. | Romulus | NY | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| BRBodyCote Romulus | Romulus | MI | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| CECastino Enterprises Michigan LLC | Romulus | MI | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| DSDaehan Solution Michigan | Romulus | MI | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| DDetroit (Romulas) | Romulus | MI | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
Detroit Thermal Systems LLC NA | Romulus | MI | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| GMGinosko Modular, LLC | Romulus | MI | Wood Product Manufacturing321991 | 20-99 | ◐ LIKELY ACTIVE |
| GWGoose Watch Winery | Romulus | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| GWGoose Watch Winery, INC. | Romulus | NY | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| KWKnapp Winery | Romulus | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LWLakeshore Winery INC. | Romulus | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| OCOsborne Concrete | Romulus | MI | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RGRemedy Global LLC | Romulus | MI | Paper Manufacturing322120 | — | ◐ LIKELY ACTIVE |
| RRomulus | Romulus | MI | Fabricated Metal Product Manufacturing332722 | 100-499 | ◐ LIKELY ACTIVE |
| RDRomulus Division | Romulus | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| RGRomulus GPS | Romulus | MI | Transportation Equipment Manufacturing336310 | 500+ | ◐ LIKELY ACTIVE |
| SFSchrader Farms, LLC | Romulus | NY | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| SDSeneca Dairy Systems, LLC. | Romulus | NY | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| SCShining Comb Poultry | Romulus | NY | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| SHSwedish Hill | Romulus | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WEWartech Engineering LLC | Romulus | MI | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| YUYAPP USA Automotive Systems, Inc. Romulus Plant | Romulus | MI | Transportation Equipment Manufacturing336310 | 100-499 | ◐ LIKELY ACTIVE |