| MPMckay Plating CO | Hampton | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| OOmnium | Hampton | IA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| TSTwin State INC | Hampton | IA | Chemical Manufacturing325312 | — | ◇ UNVERIFIED |
| APAbb Power T&d CO INC | Hampton | VA | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| AAAdvantage Autobody | Hampton | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| AAArrowhead Alternator, INC | Hampton | GA | Transportation Equipment Manufacturing336312 | — | ◇ UNVERIFIED |
| BBrazonics | Hampton | NH | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| BIBrushwellman INC - Hampton Plt | Hampton | NJ | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| CCCavalier Cabinet Shop | Hampton | VA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| CMCraft Machine Works Incorporated - 56th Street | Hampton | VA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| FMFederal Mogul | Hampton | VA | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| FCFmh Conveyors LLC | Hampton | VA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| GDGeneral Dynamics - Ots INC. (camden Op.) | Hampton | AR | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| GAGraham and Rollins Incorporated | Hampton | VA | Food Manufacturing311710 | — | ◇ UNVERIFIED |
| HHHampton Hydraulics Llc-div of Seabee | Hampton | IA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| HMHampton Machine Shop INC | Hampton | VA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HCHowmet Castings and Services Incorporated | Hampton | VA | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
 Huntington Ingalls Industries - Newport News Shipbuilding | Hampton | VA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| IPInterlock Paving Systems | Hampton | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LILabels Incorporated | Hampton | NH | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| MDMaida Development Company | Hampton | VA | Computer and Electronic Product Manufacturing334414 | — | ◇ UNVERIFIED |
| NCNevamar Company LLC | Hampton | SC | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| PWPressure Works Hampton LLC | Hampton | VA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SFSeabee Foundry | Hampton | IA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| TMTcs Materials Hampton 58th St. Ready-mix | Hampton | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WFWanchese Fish Company INC - Hampton | Hampton | VA | Food Manufacturing311712 | — | ◇ UNVERIFIED |
| WCWiggins Concrete:hampton | Hampton | SC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WIWinnebago Industries, INC - Hampton | Hampton | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ATAdhesive Technologies, INC. | Hampton | NH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| ACAdvex Corporation | Hampton | VA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| ACAll Cities Dustless Mobile Blasting LLC | Hampton | VA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AIArconic INC. | Hampton | VA | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| A1Article 112 LLC | Hampton | VA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| ABAwnings by Bigley & Hogshire | Hampton | VA | Textile Product Mills314910 | — | ◇ UNVERIFIED |
| BNBC Nichols Machine, LLC | Hampton | NH | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| BPBennett Paint Manufacturing CO. | Hampton | VA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BYBluewater Yacht Sales | Hampton | VA | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BRB R Flowers & Company, INC. | Hampton | VA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| CBCamp Brewing Company | Hampton | GA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CICarter Iron and Steel Company | Hampton | VA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CBCraft Bearing Company INC | Hampton | VA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CMCraft Machine Works | Hampton | VA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DSDm Signs | Hampton | VA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| DWDove Welding & Fabrication, INC. | Hampton | VA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DSD&S Services LLC | Hampton | VA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| GDGeneral Dynamics-ots, INC. - General Dynamics-hampton | Hampton | AR | Transportation Equipment Manufacturing336414 | — | ◇ UNVERIFIED |
| HCHy-mark Cylinders INC | Hampton | VA | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| IOInk Outside the Box Incorporated | Hampton | NH | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| LHLafarge Hampton Concrete Plant | Hampton | GA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LELandtech Environmental | Hampton | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
