| HMHall's Mechanical Services LLC | Fieldale | VA | — | ◇ UNVERIFIED |
| HSHall's Safe CO. | Loomis | CA | — | ◇ UNVERIFIED |
| HSHalls Sheet Metal Fabrication Inc | Galena | OH | — | ◇ UNVERIFIED |
| HMHallwood Modular Buildings LLC | Shreveport | LA | — | ◇ UNVERIFIED |
| HSHambric Steel & Fabrication | Albany | GA | — | ◇ UNVERIFIED |
 Hamilton Iron Works INC. | Woodbridge | VA | — | ◇ UNVERIFIED |
| Hamilton Iron Works, INC. | Torrance | CA | — | ◇ UNVERIFIED |
| HSHamilton Safe Inc-amelia | Amelia | OH | — | ◇ UNVERIFIED |
| HWHamlin Welding and Fabricating LLC | Melbourne | FL | — | ◇ UNVERIFIED |
| HIHammer Industrial, LLC | Southport | NC | — | ◇ UNVERIFIED |
| HMHammerlund Manufacturing Company INC | Minnetonka Mills | MN | — | ◇ UNVERIFIED |
| HIHammersmarking, INC. | San Carlos | CA | — | ◇ UNVERIFIED |
| HMHammersmith Metal Works | Springfield | MO | — | ◇ UNVERIFIED |
| HSHammond Sheet Metal | El Dorado Springs | MO | — | ◇ UNVERIFIED |
| HMH&H Metal Fabrication | St. Louis | MO | — | ◇ UNVERIFIED |
| HFHancock Fabrication INC | Angora | MN | — | ◇ UNVERIFIED |
| HFHand Forge LLC | Portland | OR | — | ◇ UNVERIFIED |
| HAH and H Metal Products, LLC | Savannah | TN | — | ◇ UNVERIFIED |
| HCHandi-foil CORP. | Naperville | IL | — | ◇ UNVERIFIED |
| HOHands on Concepts 2 INC. | El Cajon | CA | — | ◇ UNVERIFIED |
| HMHannibal Material Handling, INC. | Vernon | CA | — | ◇ UNVERIFIED |
| HOHanover Outdoor Products, Inc. | Hanover | PA | — | ◇ UNVERIFIED |
| HIHansford Industries, INC. | Sacramento | CA | — | ◇ UNVERIFIED |
| HLHanson Lab Furniture INC | Camarillo | CA | — | ◇ UNVERIFIED |
| HWHanson Welding & Manufacturing INC | Rogers | MN | — | ◇ UNVERIFIED |
| HEHarbor Enterprises LLC. | Thomasville | GA | — | ◇ UNVERIFIED |
| HOHarbor Ornamental, INC. | Torrance | CA | — | ◇ UNVERIFIED |
| HSHarbor Steel - Supply Corporation | Lexington | KY | — | ◇ UNVERIFIED |
| HIHarden Industries | Los Angeles | CA | — | ◇ UNVERIFIED |
| HPHardman Properties, LLC | South Saint Paul | MN | — | ◇ UNVERIFIED |
 Hardric Laboratories | Waltham | MA | — | ◇ UNVERIFIED |
| HWHard Way Enterprises, Inc. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| HFHardy Frames INC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| HRHarmac Rebar & Steel CORP | Fryeburg | ME | — | ◇ UNVERIFIED |
| HIHarmon's Ironworks and Fabrication LLC | Bowdon | GA | — | ◇ UNVERIFIED |
| HSHarmony Star Fabrication LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| HTHarout Tool & Machine Corporation | Hackensack | NJ | — | ◇ UNVERIFIED |
| HRHarris/arizona Rebar INC. (dba Harris Rebar Southern California) | Pomona | CA | — | ◇ UNVERIFIED |
| HBHarris Brothers Fabrication LLC | Clifton | TX | — | ◇ UNVERIFIED |
| HIHarris Industries, INC | Pardeeville | WI | — | ◇ UNVERIFIED |
| HMHarrison Machine Shop INC | Cynthiana | KY | — | ◇ UNVERIFIED |
| HRHarris Rebar Fresno INC | Fresno | CA | — | ◇ UNVERIFIED |
| HRHarris Rebar North Carolina INC | Catawba | SC | — | ◇ UNVERIFIED |
| HSHarris Sheet Metal CO. | Midland | MI | — | ◇ UNVERIFIED |
| HGHarry Gordon Steel Company | Winchester | KY | — | ◇ UNVERIFIED |
| HVHarvest Valley Specialties INC | Eugene | OR | — | ◇ UNVERIFIED |
| HIHarwell Industries | Oklahoma City | OK | — | ◇ UNVERIFIED |
| HLHassett LLC Dba Roettger Welding | Stillwater | MN | — | ◇ UNVERIFIED |
| HAHasty Awards INC | Ottawa | KS | — | ◇ UNVERIFIED |
| HIHaulmark Industries INC | El Mirage | AZ | — | ◇ UNVERIFIED |
