| NBNor Bay Ironcraft | Petaluma | CA | — | ◇ UNVERIFIED |
| NMNorCal Manufacturing LLC | San Jose | CA | — | ◇ UNVERIFIED |
| NPNorco Precision INC | Maple Grove | MN | — | ◇ UNVERIFIED |
| NSNorco Sheet Metal | Oakland | CA | — | ◇ UNVERIFIED |
| NINorris International Services, LLC. | New Iberia | LA | — | ◇ UNVERIFIED |
| NANorth American Construction Services, LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| NANorth American Kitchen Solutions, INC. | Eastlake | OH | — | ◇ UNVERIFIED |
| NANorth American Kitchen Solutions, INC. | Venus | TX | — | ◇ UNVERIFIED |
| NANorth American Machine Works, INC. | Folcroft | PA | — | ◇ UNVERIFIED |
| NANorth American Metals INC | Banks | OR | — | ◇ UNVERIFIED |
| NBNorth Branch Machining & Engineering | Fostoria | MI | — | ◇ UNVERIFIED |
| NCNorth Central Tool & Manufacturing, INC. | Collierville | TN | — | ◇ UNVERIFIED |
| NCNorth Coast Steel | San Francisco | CA | — | ◇ UNVERIFIED |
| NCnorth county industrial machine shop | Salinas | CA | — | ◇ UNVERIFIED |
| NCNorth County Industrial Machine Shop, Inc. | Salinas | CA | — | ◇ UNVERIFIED |
| NCNortheast Construction Industries, INC. | Montgomery | NY | — | ◇ UNVERIFIED |
| NMNortheastern Metals, LLC | Greenfield | MA | — | ◇ UNVERIFIED |
| NFNortheast Fence & Iron Works, INC. | Philadelphia | PA | — | ◇ UNVERIFIED |
| NMNortheast Machine & Manufacturing Inc. | Battle Creek | NE | — | ◇ UNVERIFIED |
| NMNortheast Missouri Machine & Pattern CO | Palmyra | MO | — | ◇ UNVERIFIED |
| NCNorthern Containment LLC | Brainerd | MN | — | ◇ UNVERIFIED |
| NSNorthern Stacks 8 | Fridley | MN | — | ◇ UNVERIFIED |
| NTNorthern Tool - Equipment Company INC | Faribault | MN | — | ◇ UNVERIFIED |
| NUNorthern U - S INC Dba Quali-mac INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| NVNorthern Valley Machine INC | East Grand Forks | MN | — | ◇ UNVERIFIED |
| NFNorth Fork Mechanical & Fabrication, LLC | Saint Louisville | OH | — | ◇ UNVERIFIED |
| NFNorth Fork Precision LLC | Broadus | MT | — | ◇ UNVERIFIED |
| NPNorthlake Precision, INC. | Mandeville | LA | — | ◇ UNVERIFIED |
 Northland Machine INC | Cohasset | MN | — | ◇ UNVERIFIED |
| NPNorthland Precision, LLC | Traverse City | MI | — | ◇ UNVERIFIED |
| NSNorthland Stainless INC | Tomahawk | WI | — | ◇ UNVERIFIED |
| NLNorth Line Properties LLC | Machesney Park | IL | — | ◇ UNVERIFIED |
| NINorthpoint INC | Manistee | MI | — | ◇ UNVERIFIED |
| NINorthpost INC | Ogilvie | MN | — | ◇ UNVERIFIED |
| NSNorthside Sheet Metal, INC. | Panama City | FL | — | ◇ UNVERIFIED |
| NTNorthside Tin Shop | Chattanooga | TN | — | ◇ UNVERIFIED |
| NMNorthstar Metalworks, INC | Brainerd | MN | — | ◇ UNVERIFIED |
| NSNorth Star Safe LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| NSNorthstar Steel Fab. INC | Rhinelander | WI | — | ◇ UNVERIFIED |
| NFNorthwest Fl Machine | Pensacola | FL | — | ◇ UNVERIFIED |
| NMNorthwest Machine INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| NMNorthwest Machine Works INC | Grand Junction | CO | — | ◇ UNVERIFIED |
| NMNorthwest Metals Fabrication | Arlington | WA | — | ◇ UNVERIFIED |
| NSNorthwest Specialty Fab LLC | Central Point | OR | — | ◇ UNVERIFIED |
| NMNorthwoods Machine INC | Elk River | MN | — | ◇ UNVERIFIED |
| NCNorwood Company INC. | Delphos | KS | — | ◇ UNVERIFIED |
| NGNova Grinding Co, Inc | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| NTNova Tool CO | Hayward | CA | — | ◇ UNVERIFIED |
| NMNovelty Machine Works | Jackson | MS | — | ◇ UNVERIFIED |
| NPNowak Properties, LLC | Punta Gorda | FL | — | ◇ UNVERIFIED |
| NFNowlin Fence INC | Anaheim | CA | — | ◇ UNVERIFIED |
| NMNpn Machine Tools | Houston | TX | — | ◇ UNVERIFIED |
| NINrlj, INC. | Browns Summit | NC | — | ◇ UNVERIFIED |
| NINsa Industries LLC | Saint Johnsbury | VT | — | ◇ UNVERIFIED |
| NSN & S Supply | Milton | NY | — | ◇ UNVERIFIED |
| NGNucor Grating - Fisher & Ludlow INC. | Madison | MS | — | ◇ UNVERIFIED |
| NRNucor Rebar Fabrication Fontana | Fontana | CA | — | ◇ UNVERIFIED |
| NRNucor Rebar Fabrication Southwest INC | Lakeside | CA | — | ◇ UNVERIFIED |
| NNucraft | Roscommon | MI | — | ◇ UNVERIFIED |
| NDNu Design INC | Pine City | MN | — | ◇ UNVERIFIED |
| NINumek, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| NCNumerical Control Support, INC. | Shawnee Mission | KS | — | ◇ UNVERIFIED |
| NMNu-tech Machining INC | Fairview | OR | — | ◇ UNVERIFIED |
| NINw Iron Works INC | Portland | OR | — | ◇ UNVERIFIED |
| NLNwm LLC | Sussex | WI | — | ◇ UNVERIFIED |
| N1Nysdec 1731 West Farms Road LLC - Bcp #c203134a | Bronx | NY | — | ◇ UNVERIFIED |
| OPOakdale Precision INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| OEOakfield Enterprises INC | Oakfield | WI | — | ◇ UNVERIFIED |
| OFOakridge Fabrication INC | Minnesota City | MN | — | ◇ UNVERIFIED |
| OSOak Street Tank & Steel INC | Ashland | OR | — | ◇ UNVERIFIED |
| OOOakwood Operating Company | Mountain Top | PA | — | ◇ UNVERIFIED |
| OMO'Brien Metal Inc. | Chicago | IL | — | ◇ UNVERIFIED |
| OOO'brien Oilfield Services, LLC | Belfield | ND | — | ◇ UNVERIFIED |
| OOObrien Ornamental Iron INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| OHOccupational Health & Safety Administration | Idaho Falls | ID | — | ◇ UNVERIFIED |
| OIOc Inds | Twinsburg | OH | — | ◇ UNVERIFIED |
| OCOCSM Capital, LLC | Anaheim | CA | — | ◇ UNVERIFIED |
| OGOde Gutter Products | Kent | WA | — | ◇ UNVERIFIED |
| OGOdiz Group LLC | Granger | IN | — | ◇ UNVERIFIED |
| OIOdom Industries, INC | Milford | OH | — | ◇ UNVERIFIED |
| OSOdonnell Solutions LLC | Riverside | CA | — | ◇ UNVERIFIED |
| OIOdyssey Industrial Systems, LLC | Houston | TX | — | ◇ UNVERIFIED |
| OMOdyssey Machine Company, LTD. | Bowling Green | OH | — | ◇ UNVERIFIED |
| OLOem, LLC | Fullerton | CA | — | ◇ UNVERIFIED |
| OPO.e.m. Precision | Lake Elsinore | CA | — | ◇ UNVERIFIED |
| OSOem Services CO LLC | Green Isle | MN | — | ◇ UNVERIFIED |
| OSOertel Sheet Metal | Davenport | IA | — | ◇ UNVERIFIED |
| OFO Fab | Ocala | FL | — | ◇ UNVERIFIED |
| OIOfab, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| OMOgawa Manufacturing Enterprises Inc. | San Jose | CA | — | ◇ UNVERIFIED |
| ODOGE Direct llc | Wrightstown | WI | — | ◇ UNVERIFIED |
| OMOglesby Machining INC. | Newbury Park | CA | — | ◇ UNVERIFIED |
| OHO' Hagin, LLC | Henderson | NV | — | ◇ UNVERIFIED |
| OMO'hagin Manufacturing LLC | Rohnert Park | CA | — | ◇ UNVERIFIED |
| OSOhio-Kentucky Steel Corp. | Franklin | OH | — | ◇ UNVERIFIED |
| OLOhmstede LTD - Ohmstede LTD St Gabriel Plant | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| OMOilco Machine Shop, INC. | Lafayette | LA | — | ◇ UNVERIFIED |
| OO'keeffe's | Merced | CA | — | ◇ UNVERIFIED |
| OSOklahoma Stair Craft, INC. | Sapulpa | OK | — | ◇ UNVERIFIED |
| OMOld Man's Garage, INC. | Rainbow City | AL | — | ◇ UNVERIFIED |
