| HDHome Depot #1285 | Deer Park | NY | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| IIInnovision INC | Deer Park | NY | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ITIntegrated Technology Lab INC | Deer Park | NY | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| NHNanz Hardware | Deer Park | NY | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| NSNorthwest Steel Fab INC Deer Park | Deer Park | WA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PVParadigm Valve Services | Deer Park | TX | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| RCRocktenn-southern Container, LLC | Deer Park | NY | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc, Lone Star Plant | Deer Park | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| RSR S M Electron Power INC | Deer Park | NY | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| SNSgs North America | Deer Park | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TGThe Geon Company | Deer Park | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| UTUS Truck Body CO INC | Deer Park | NY | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| WPWoodbine Products INC | Deer Park | NY | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CFCousins Furniture & Home Improvements, Corp. | Deer Park | NY | Furniture and Related Product Manufacturing337110 | 20-99 | ◐ LIKELY ACTIVE |
| CCurflo | Deer Park | TX | Machinery Manufacturing333913 | 20-99 | ◐ LIKELY ACTIVE |
| DLDresser LLC Baker Hughes | Deer Park | TX | Fabricated Metal Product Manufacturing332911 | 100-499 | ◐ LIKELY ACTIVE |
| EHEddyfi Houston | Deer Park | TX | Computer and Electronic Product Manufacturing334519 | 20-99 | ◐ LIKELY ACTIVE |
| ESEggert Slaughtering, Inc. | Deer Park | WI | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| FUFlexitallic Us, LLC | Deer Park | TX | Miscellaneous Manufacturing339991 | — | ◐ LIKELY ACTIVE |
| GSGEO Specialty Chemicals - Deer Park | Deer Park | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| IFIntentus Fine Wines LLC | Deer Park | CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| ICinternational cooling tower | Deer Park | TX | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| IHIsland Hose & Seals, INC. | Deer Park | NY | Fabricated Metal Product Manufacturing332912 | — | ◐ LIKELY ACTIVE |
| IIIsland Instrument CORP. | Deer Park | NY | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| JCJbsc, CORP | Deer Park | NY | Miscellaneous Manufacturing339991 | — | ◐ LIKELY ACTIVE |
| JJJohn J. Mazur, INC. | Deer Park | NY | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| LMLegacy Military Components INC | Deer Park | NY | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LBLeica Biosystems | Deer Park | IL | Computer and Electronic Product Manufacturing334516 | 100-499 | ◐ LIKELY ACTIVE |
| MMain | Deer Park | NY | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| MCMdy Communications, LLC | Deer Park | NY | Electrical Equipment, Appliance & Component Manufacturing335929 | — | ◐ LIKELY ACTIVE |
| MIMiba Industrial Bearings U.S (Houston) LLC | Deer Park | TX | Machinery Manufacturing333613 | 20-99 | ◐ LIKELY ACTIVE |
| MDMinh - Deer Park | Deer Park | TX | Food Manufacturing311412 | 100-499 | ◐ LIKELY ACTIVE |
| MPMini-Circuits (Deer Park) | Deer Park | NY | Computer and Electronic Product Manufacturing334419 | 20-99 | ◐ LIKELY ACTIVE |
| MVMio Vino | Deer Park | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| NANewcore Aviation, LLC | Deer Park | WA | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
North Shore Neon Sign, LLC | Deer Park | NY | Miscellaneous Manufacturing339950 | — | ◐ LIKELY ACTIVE |
| OPOxyVinyls-Deer Park VCM Plant | Deer Park | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| PCPrecision Cnc INC | Deer Park | NY | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| RIReliance Industrial Products | Deer Park | TX | Miscellaneous Manufacturing339113 | 20-99 | ◐ LIKELY ACTIVE |
| SUSchenck USA Corp. - HQ Deer Park | Deer Park | NY | Computer and Electronic Product Manufacturing334519 | 20-99 | ◐ LIKELY ACTIVE |
| SDShell Deer Park Chemical | Deer Park | TX | Chemical Manufacturing325110 | 100-499 | ◐ LIKELY ACTIVE |
| SSSxr Systems INC | Deer Park | NY | Furniture and Related Product Manufacturing337214 | — | ◐ LIKELY ACTIVE |
| TITexas Industrial Specialties, Inc. | Deer Park | TX | Machinery Manufacturing333914 | 1-19 | ◐ LIKELY ACTIVE |
| TDThe Dow Chemical Company - Deer Park, TX | Deer Park | TX | Chemical Manufacturing325199 | 500+ | ◐ LIKELY ACTIVE |
| UPUniversal Plant Services, LLC | Deer Park | TX | Fabricated Metal Product Manufacturing332710 | 500+ | ◐ LIKELY ACTIVE |
| UIUPS Industrial Services, LLC | Deer Park | TX | Fabricated Metal Product Manufacturing332710 | 500+ | ◐ LIKELY ACTIVE |
| WEWestlake Epoxy Deer Park Texas | Deer Park | TX | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| YTYokohama TWS - Deer Park, NY | Deer Park | NY | Plastics and Rubber Products Manufacturing326211 | 1-19 | ◐ LIKELY ACTIVE |
| AAbb | Deer Park | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| AAAll American Precision Machining LLC | Deer Park | NY | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |