| BMBaker-rullman Manufacturing, INC. | Watertown | WI | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BCBarry Controls | Watertown | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
 B&g Industries, INC. | Watertown | SD | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BBBoots Brewing Company, Inc | Watertown | NY | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| BHBRM Holdings Inc. | Watertown | WI | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
 Captivate Bio, LLC | Watertown | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| CIConsolidated Industries, INC. | Watertown | WI | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| DZDay Zero Diagnostics | Watertown | MA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| DPDynamic Pallet Inc. | Watertown | CT | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| ESEci Screenprint, INC. | Watertown | CT | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| FBFisher Barton Blades INC. | Watertown | WI | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| FDFormer Dakota Bodies, INC. | Watertown | SD | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| FDFujifilm Diosynth Biotechnologies | Watertown | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| FWFw Webb Company | Watertown | MA | Machinery Manufacturing333914 | — | ◇ UNVERIFIED |
| GPG&J Properties LLC | Watertown | SD | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| HSHall Ski-lift CO INC | Watertown | NY | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| HMHecksel Machine INC | Watertown | MN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HTHenderson Truck Equipment | Watertown | NY | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| HCHub City Energy | Watertown | SD | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| ITIllinois Tools Works Shakeproof Group | Watertown | WI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| IDInformational Data Technologies LLC | Watertown | SD | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| IGInkwell Graphix | Watertown | NY | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| IMInteractive Motion Technologies, INC. | Watertown | MA | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| JCJana Care INC | Watertown | MA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
 Jefferson Concrete CORP. | Watertown | NY | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| KCKimberly-Scott Creations LLC | Watertown | NY | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| KRK&p Reynolds LLC | Watertown | SD | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| LMLueck Metal Recycling, LLC | Watertown | WI | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MWMacksteel Warehouse, INC. | Watertown | SD | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| MLMastermold LLC | Watertown | WI | Plastics and Rubber Products Manufacturing326100 | — | ◇ UNVERIFIED |
| MIMetaltek International Wis Investcast | Watertown | WI | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| MUMidcom Unit Midtex Division (former Location) | Watertown | SD | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| MSMighty Squirrel Arsenal Yards, LLC | Watertown | MA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| MUMillercoors USA LLC - Watertown Hops Site | Watertown | WI | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| MMMorris Material Handling - Watertown | Watertown | WI | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| NANorth American Tapes LLC | Watertown | NY | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| NUNucap Us, INC. | Watertown | CT | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| PAPetron Automation INC | Watertown | CT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PBPrimo Brands | Watertown | CT | Beverage and Tobacco Product Manufacturing312112 | — | ◇ UNVERIFIED |
| QAQuality Automatics | Watertown | CT | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| RMRay Manufacturing LLC | Watertown | SD | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| RRRock River Blacksmith LLC | Watertown | WI | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SLShelter Logic (formerly Coats North America) | Watertown | CT | Textile Mills313113 | — | ◇ UNVERIFIED |
| SSSheperd Specialty Papers | Watertown | TN | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| SCSiemon CO | Watertown | CT | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| SASigns and Designs of Ny LLC | Watertown | NY | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SPSwiss Pro CNC LLC | Watertown | CT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TATilt-Lock Acquisitions, Inc. | Watertown | MN | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| WPWatertown Plastics, INC | Watertown | CT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| WTWeather Tite Industries INC | Watertown | TN | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
