| ITIn the Woods Spirits LLC | Groveton | NH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| JUJaeger USA | Rochester | NH | Textile Mills313320 | 20-99 | ◐ LIKELY ACTIVE |
| JTJewell Towne Vineyards | South Hampton | NH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| JIJmk INC | Amherst | NH | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| KCKalwall Corporation - KalCurve Division | Manchester | NH | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| KCKalwall Corporation - Panel and Accessories Division | Manchester | NH | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| KKeene | Keene | NH | Fabricated Metal Product Manufacturing332991 | 100-499 | ◐ LIKELY ACTIVE |
| KHKeeney Holdings, LLC. | Winchester | NH | Plastics and Rubber Products Manufacturing326191 | 100-499 | ◐ LIKELY ACTIVE |
Kennebec Lumber Company - Grantham | Grantham | NH | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
Kennebec Lumber Company - Rumney | Rumney | NH | Fabricated Metal Product Manufacturing332216 | 1-19 | ◐ LIKELY ACTIVE |
Kennebec Lumber Company - Tamworth | Center Ossipee | NH | Wood Product Manufacturing321113 | 1-19 | ◐ LIKELY ACTIVE |
| LWLabelle Winery | Amherst | NH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LWLabelle Winery, LLC | Derry | NH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LPLaborie Portsmouth | Portsmouth | NH | Miscellaneous Manufacturing339112 | 100-499 | ◐ LIKELY ACTIVE |
| LRLanair Research & Development INC. | Newington | NH | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| LLebanon | Lebanon | NH | Fabricated Metal Product Manufacturing332991 | 100-499 | ◐ LIKELY ACTIVE |
| LALemay and Sons Beef, LLC | Goffstown | NH | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| LLLem Labs, LLC | Hollis | NH | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LCLentex Corporation | North Walpole | NH | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| LSLewis & Saunders | Laconia | NH | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| LMLighthouse Manufacturing LLC | Portsmouth | NH | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| LFLive Free Distillery | Manchester | NH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| LCLogic Craft Cocktails | Keene | NH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| LFLondonderry Freezer Warehouse LLC | Londonderry | NH | — | — | ◐ LIKELY ACTIVE |
| LWLone Wolf Distillery LLC | Ossipee | NH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| LDLoyal Dog Winery | New Boston | NH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LLsi-nh | Lebanon | NH | Electrical Equipment, Appliance & Component Manufacturing335129 | 100-499 | ◐ LIKELY ACTIVE |
| LILupine Inc | Ctr Conway | NH | Miscellaneous Manufacturing339999 | 20-99 | ◐ LIKELY ACTIVE |
| LVL. Veloz INC. | Nashua | NH | Textile Product Mills314110 | — | ◐ LIKELY ACTIVE |
| MUMadeira USA - Winding | Gilford | NH | Textile Mills313110 | 1-19 | ◐ LIKELY ACTIVE |
| MLMagari, LLC | Hampstead | NH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| MDManchester Distillery | Manchester | NH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| MUMarani Usa, INC. | Bridgewater | NH | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| MMMarauder's Mead | Concord | NH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MCMarine Components INC. | Rye | NH | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| MAMarmon Aerospace & Defense Hookset | Hookset | NH | Electrical Equipment, Appliance & Component Manufacturing335929 | 1-19 | ◐ LIKELY ACTIVE |
| MUMarmon Utility - Amherst | Amherst | NH | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| MBMartino Brewing Company | Belmont | NH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MAMaxi Adhesive Products, INC | Greenfield | NH | Paper Manufacturing322220 | — | ◐ LIKELY ACTIVE |
| MHMcLure's Honey & Maple Products, Inc. | Littleton | NH | Food Manufacturing311999 | 1-19 | ◐ LIKELY ACTIVE |
| MVMeadow Vineyards | Derry | NH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MMMeadville Meadery | Greenfield | NH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MBMerrimack Brewery | Merrimack | NH | Beverage and Tobacco Product Manufacturing312120 | 100-499 | ◐ LIKELY ACTIVE |
| MLMetalMax, LLC New Hampshire | Concord | NH | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| MCMichie Concrete Products, LLC | Henniker | NH | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| MMiddleton | Middleton | NH | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| MTMikros Technologies | Claremont | NH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MMilliporeSigma | Jaffrey | NH | Computer and Electronic Product Manufacturing334516 | 500+ | ◐ LIKELY ACTIVE |
Milpower Source, Inc. Manchester | Manchester | NH | Electrical Equipment, Appliance & Component Manufacturing335311 | 20-99 | ◐ LIKELY ACTIVE |
| MWMoose Works Tech LLC | Lyme | NH | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |