| 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 |
| NWNorwalk Wilbert Vault Company | Watertown | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| NUNucap Us, INC. | Watertown | CT | Transportation Equipment Manufacturing336340 | — | ◇ 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 |
| SASigns and Designs of Ny LLC | Watertown | NY | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| WTWeather Tite Industries INC | Watertown | TN | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| WLWiklinvest LLC | Watertown | WI | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| WHWmmpa Hubbard Feed Mill and Adjoining Property | Watertown | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
