| PSPaper Service Limited | Ashuelot | NH | Paper Manufacturing322121 | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP | Hollis | NH | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| PBPeterboro Basket Company | Peterborough | NH | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| PIPike Industries | Madison | NH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PIPike Industries INC | Northfield | NH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PIPike Industries INC | Ossipee | NH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PIPike Industries INC - Amherst | Amherst | NH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PIPike Industries INC - Farmington Hma | Farmington | NH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PIPike Industries, INC. - Newport Hma | Newport | NH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PIPike Industries INC - Northfield | Northfield | NH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PLPolyclad Laminates | Franklin | NH | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| PLPolyclad Laminates INC | Franklin | NH | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| PCPrime Choice Wood Priming | Allenstown | NH | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| PIPrimero INC | Nashua | NH | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| PProtolabs | Nashua | NH | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PProtolabs | Nashua | NH | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| QIQesidyne INC | Hudson | NH | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| QBQuikrete - Boston, Ma Plant | Exeter | NH | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| RARedhook Ale Brewery | Portsmouth | NH | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| RCRedimix Companies, INC. - Dover | Dover | NH | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRedimix Companies, INC. - Manchester | Manchester | NH | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RIRoadstone INC (sand, Gravel & Asphalt)) | Kingston | NH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| RSRochester Shoe Tree CO INC - Ashland | Ashland | NH | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SCSanmina-sci CORP Hadco CORP a Subsidiary | Hudson | NH | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| SISeabrook International LLC | Seabrook | NH | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SCSemiconductor Component Industries LLC | Hudson | NH | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SMSmiths Medical Asd INC (portex) | Keene | NH | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SSSpraying Systems CO | Merrimack | NH | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TTape-o | Rochester | NH | Textile Mills313320 | — | ◇ UNVERIFIED |
| TGTechnical Graphics INC | Milford | NH | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| TCTextiles Coated International | Manchester | NH | Textile Mills313310 | — | ◇ UNVERIFIED |
| TTTextron Technology Center | Dover | NH | Transportation Equipment Manufacturing336111 | — | ◇ UNVERIFIED |
| TAThe Anthony Galluzzo CORP. | Londonderry | NH | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| TNThermo Neslab | Newington | NH | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| TWThe Woodworks Architectural Millwork | Londonderry | NH | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| TAThompson/center Arms | Rochester | NH | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| TSTrelleborg Sealing Solutions | Somersworth | NH | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| UTUnited Therapeutics Corporation | Manchester | NH | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| UVUpper Valley Press, INC. | North Haverhill | NH | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| UIUraseal INC | Dover | NH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| VHVenture Holdings CORP (dba Bailey Manufacturing) | Seabrook | NH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| VIVibro-meter INC | Londonderry | NH | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
 Wakefield Thermal Solutions | Pelham | NH | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| WPWatson Park (a.k.a. Former Harcros Chemical Site) | Merrimack | NH | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| WTWorld Trading Company Div of Sabbow | Littleton | NH | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| WPWs Packaging Group INC | Wilton | NH | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| WIWyman-gordon Investment Castings INC | Franklin | NH | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| 1G15 Great Hollow | Hanover | NH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| 1C160 Corporate Drive | 160 Corporate Drive | NH | Miscellaneous Manufacturing339113 | 20-99 | ◐ LIKELY ACTIVE |
| 2A20 Airpark Rd | West Lebanon | NH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
