| OTOlde Tyme Wine | Ellenburg Center, NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PPbg | Plattsburgh, NY | Transportation Equipment Manufacturing336411 | 1–19 | ◐ LIKELY ACTIVE |
| PPlattsburgh | Plattsburgh, NY | Petroleum and Coal Products Manufacturing324122 | 20–99 | ◐ LIKELY ACTIVE |
| SSSchluter Systems, LP | Plattsburgh, NY | Plastics and Rubber Products Manufacturing326199 | 500+ | ◐ LIKELY ACTIVE |
| SSSchluter Systems LP Chazy | Chazy, NY | Plastics and Rubber Products Manufacturing326199 | 20–99 | ◐ LIKELY ACTIVE |
| SSSchluter Systems LP - Idaho | Plattsburgh, NY | Plastics and Rubber Products Manufacturing326199 | 1–19 | ◐ LIKELY ACTIVE |
| SSSchluter Systems LP - Imperial | Plattsburgh, NY | Plastics and Rubber Products Manufacturing326199 | 1–19 | ◐ LIKELY ACTIVE |
| SSSchluter Systems LP - TDC6 | Plattsburgh, NY | Plastics and Rubber Products Manufacturing326199 | 1–19 | ◐ LIKELY ACTIVE |
| SPStudley Printing and Publications, INC. | Plattsburgh, NY | Printing and Related Support Activities323117 | — | ◐ LIKELY ACTIVE |
| UBUMR Board Productions LLC | Plattsburgh, NY | Plastics and Rubber Products Manufacturing326121 | 20–99 | ◐ LIKELY ACTIVE |
| UMUpstone Materials Regional Office | Plattsburgh, NY | Petroleum and Coal Products Manufacturing324121 | 20–99 | ◐ LIKELY ACTIVE |
| WSW Schonbek LLC | Plattsburgh, NY | Electrical Equipment, Appliance & Component Manufacturing335121 | 100–499 | ◐ LIKELY ACTIVE |
| TITestori Interiors INC. | Champlain, NY | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
 Aero Precision Sheet Metal, LLC | West Chazy, NY | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| BIBrushtech, INC. | Plattsburgh, NY | Miscellaneous Manufacturing339994 | — | ◇ UNVERIFIED |
| CFCaron Fine Wood Products | Champlain, NY | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| CICintube International LTD | Plattsburgh, NY | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| CICintube International LTD | Plattsburgh, NY | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| DSDavis Sawmill + Custom Crates | Plattsburgh, NY | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| DUDelastek, USA CORP | Plattsburgh, NY | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| EFEmergency First Aid Products INC | Plattsburgh, NY | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| FTFenyx Technology Solutions (importer) | Champlain, NY | Transportation Equipment Manufacturing336312 | — | ◇ UNVERIFIED |
| GMGraymont Materials, INC. | Plattsburgh, NY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| IHIec Holden Corporation | Plattsburgh, NY | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| ICImeco Cables America INC | Plattsburgh, NY | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| LCLake City Brewing, LLC | Plattsburgh, NY | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| NRNysdec Region 5 Spill #2203332 | Plattsburgh, NY | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| PSPG Sample Enterprises, Inc. | Rouses Point, NY | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| PSPg Sample Holdings, LLC | Mooers Forks, NY | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| PFPlattsburgh Facilities - Umr Board Production LLC and Schluter Systems LP | Plattsburgh, NY | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| RIRambach's International Bakery, INC. | Plattsburgh, NY | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| RPRawtek Performance Fabrication (importer) | Champlain, NY | Transportation Equipment Manufacturing336312 | — | ◇ UNVERIFIED |
