| CVCounterGravity Vacuum Cast Operation (VCO) | Milford | NH | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| EEasyspeak | Milford | DE | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| EEcono-Pak | Milford | PA | — | — | ◐ LIKELY ACTIVE |
| EUEnvases USA, Inc. Milford | Milford | NH | Plastics and Rubber Products Manufacturing326160 | 20-99 | ◐ LIKELY ACTIVE |
| FDFeebs Distilling Company | Milford | DE | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| FFForbes Frozen Foods, INC | Milford | OH | Food Manufacturing311999 | — | ◐ LIKELY ACTIVE |
| FMFragrance Manufacturer | Milford | CT | Chemical Manufacturing325620 | 20-99 | ◐ LIKELY ACTIVE |
| GDGm Defense, LLC | Milford | MI | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| HTHunting Titan, INC. | Milford | TX | Chemical Manufacturing325920 | — | ◐ LIKELY ACTIVE |
| ICInnerwood & Company | Milford | OH | Furniture and Related Product Manufacturing337110 | 20-99 | ◐ LIKELY ACTIVE |
| IJIvan Jukic & Jure Jukic Partners | Milford | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| KIKnick Interface LLC | Milford | OH | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| KIKtw INC | Milford | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| LSLegal Sea Foods Quality Control Center | Milford | MA | Food Manufacturing311710 | 20-99 | ◐ LIKELY ACTIVE |
| MBMachine Builders of New England LLC | Milford | CT | Machinery Manufacturing333517 | — | ▲ REPORTED CLOSED |
| MLMaple Leaf Farms, Inc,. SER Plant and DC | Milford | IN | Food Manufacturing311615 | 100-499 | ◐ LIKELY ACTIVE |
| MLMaple Leaf South Processing and Milford Offices | Milford | IN | Food Manufacturing311615 | 100-499 | ◐ LIKELY ACTIVE |
| MSMichigan Scientific Corporation | Milford | MI | Computer and Electronic Product Manufacturing334519 | 20-99 | ◐ LIKELY ACTIVE |
| MMilford | Milford | CT | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| MMilford | Milford | DE | Food Manufacturing311710 | 100-499 | ◐ LIKELY ACTIVE |
| MMilford | Milford | OH | Miscellaneous Manufacturing339113 | 1-19 | ◐ LIKELY ACTIVE |
| MPMilford Purina Feed Mill | Milford | IN | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| NHNh115 Haydon Kerk | Milford | NH | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| NDNitto Denko Avecia Inc, Milford | Milford | MA | Chemical Manufacturing325411 | 100-499 | ◐ LIKELY ACTIVE |
| OMOH - Milford 401 | Milford | OH | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| OIOSDA Inc | Milford | CT | Computer and Electronic Product Manufacturing334418 | 20-99 | ◐ LIKELY ACTIVE |
| PRPerkins Rouge & Paint Co., LLC | Milford | CT | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| PCPollution Control Systems, INC. | Milford | OH | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| PSPrecision Sensors | Milford | CT | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| RRRedi Rock Structures of OKI | Milford | OH | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| RARenk American Marine & Industrial LLC1 | Milford | OH | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| RERing's End Custom Millwork Division | Milford | CT | Furniture and Related Product Manufacturing337212 | 1-19 | ◐ LIKELY ACTIVE |
| RERiver's Edge Brewing Company LLC | Milford | MI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
Safco Products - Milford, IA | Milford | IA | Furniture and Related Product Manufacturing337214 | 20-99 | ◐ LIKELY ACTIVE |
| SCSantec Corporation | Milford | CT | Paper Manufacturing322299 | — | ◐ LIKELY ACTIVE |
| SWSea Watch International | Milford | DE | — | — | ◐ LIKELY ACTIVE |
| SESeraph Energy, INC. | Milford | CT | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| SFSerenade Foods, Division of Maple Leaf Farms, Inc. | Milford | IN | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| SLShort Load Concrete 2 LLC | Milford | CT | Nonmetallic Mineral Product Manufacturing327310 | — | ▲ REPORTED CLOSED |
| SMShow Motion, INC. | Milford | CT | Furniture and Related Product Manufacturing337110 | 20-99 | ◐ LIKELY ACTIVE |
| SASpectrum Associates INC. | Milford | CT | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| SASpectrum Associates, INC. | Milford | CT | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| SMSterling Medical LLC | Milford | CT | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| TAThinklogical, A Belden Brand | Milford | CT | Computer and Electronic Product Manufacturing334418 | 20-99 | ◐ LIKELY ACTIVE |
| T8Triple 8 Steel LLC | Milford | CT | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| USUnited States Cold Storage Inc. | Milford | DE | — | — | ◐ LIKELY ACTIVE |
| WMWaters- Milford | Milford | MA | Computer and Electronic Product Manufacturing334516 | 500+ | ◐ LIKELY ACTIVE |
| WTWaters Technologies Corporation | Milford | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| WSWhispering Spring Vineyard & Winery LLC | Milford | NJ | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WMWilliamsburg Marine | Milford | IN | Textile Product Mills314999 | 100-499 | ◐ LIKELY ACTIVE |