| GHGrain Handler USA INC | Lakeville | MN | — | ◇ UNVERIFIED |
| GWGranada Wrought Iron, INC. | Playa Vista | CA | — | ◇ UNVERIFIED |
| GFGrandview Farms INC | Chicopee | MA | — | ◇ UNVERIFIED |
| GNGranite Northwestriverscene Aggrega | Granite Falls | WA | — | ◇ UNVERIFIED |
| GKGrape Kist INC | Madera | CA | — | ◇ UNVERIFIED |
| GCGrasselli Concrete Products Co, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| GPGreat Plains - Assaria Testing (stormwater) | Assaria | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Manufacturing CO INC | Assaria | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Manufacturing INC. | Salina | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Manufacturing, INC. - Kipp | Kipp | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Mfg. | Salina | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Mfg. (land Pride) - Lucas | Lucas | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Rebar, LLC | Oklahoma City | OK | — | ◇ UNVERIFIED |
| GIGreenbank Inc | Coupeville | WA | — | ◇ UNVERIFIED |
| GVGreenbrier Vault, LLC | Ronceverte | WV | — | ◇ UNVERIFIED |
| GPGreen Peak Systems, LLC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| GPGreenstone Precast, LLC | New Gloucester | ME | — | ◇ UNVERIFIED |
 Gregory Manufacturing CO INC Dba Gregory Design & | Fayetteville | TN | — | ◇ UNVERIFIED |
| GIGreif, INC. (stormwater) | Winfield | KS | — | ◇ UNVERIFIED |
| GSGriffin Steel & Supply, L.L.C. | Goldsboro | NC | — | ◇ UNVERIFIED |
| GSGriffis Steel Company, INC. | Darien | GA | — | ◇ UNVERIFIED |
| GCGrimes Commercial Properties LLC | Tomball | TX | — | ◇ UNVERIFIED |
| GIGrimmfab, INC. | Yucaipa | CA | — | ◇ UNVERIFIED |
| GMGriswold Machine & Engineering INC (plant #1) | Union City | MI | — | ◇ UNVERIFIED |
| GSGroup Steel Inc. | Miami | FL | — | ◇ UNVERIFIED |
| GBGrow Big Technologies LLC | Koloa | HI | — | ◇ UNVERIFIED |
| GIGrowlerWerks, Inc. | Portland | OR | — | ◇ UNVERIFIED |
| GFGSS Fabrication Group LLC | Basalt | CO | — | ◇ UNVERIFIED |
| GMGt Mfg., INC | Clay Center | KS | — | ◇ UNVERIFIED |
| GVGuardian Vault Services, INC. | Chillicothe | OH | — | ◇ UNVERIFIED |
| GIGuidry Iron Works INC | Lafayette | LA | — | ◇ UNVERIFIED |
| GIGuifarro Iron Work Corporation | Huntington Station | NY | — | ◇ UNVERIFIED |
| GCGulf Coast Alloy Welding, INC. | Humble | TX | — | ◇ UNVERIFIED |
| GCGulf Coast Stabilized Materials, LLC | Houston | TX | — | ◇ UNVERIFIED |
| GMGulf Marine Fabricators, L.p. | Ingleside | TX | — | ◇ UNVERIFIED |
| GSGulf States Fabrication INC. | Laurel | MS | — | ◇ UNVERIFIED |
| GIGwc Italia | Bakersfield | CA | — | ◇ UNVERIFIED |
| GWG W Heineke CO INC | El Centro | CA | — | ◇ UNVERIFIED |
| HIHaala Industries INC | Sleepy Eye | MN | — | ◇ UNVERIFIED |
| HSHaberle Steel INC. | Delano | PA | — | ◇ UNVERIFIED |
| HLHaddonstone (usa) LTD. | Pueblo | CO | — | ◇ UNVERIFIED |
| HFH.a. Fabricators , INC. | North Logan | UT | — | ◇ UNVERIFIED |
| HMHahn Machinery INC | Two Harbors | MN | — | ◇ UNVERIFIED |
| HFHaines Fabrication & Machine, LLC | Selbyville | DE | — | ◇ UNVERIFIED |
| HUHalfen Usa, INC. | Converse | TX | — | ◇ UNVERIFIED |
| HMHallwood Modular Buildings LLC | Shreveport | LA | — | ◇ UNVERIFIED |
| HTHambicki's Truck & Container Sales, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| HSHambric Steel & Fabrication | Albany | GA | — | ◇ UNVERIFIED |
| HBHamby Brothers, INC. | North Wilkesboro | NC | — | ◇ UNVERIFIED |
 Hamilton Iron Works INC. | Woodbridge | VA | — | ◇ UNVERIFIED |
| Hamilton Iron Works, INC. | Torrance | CA | — | ◇ UNVERIFIED |
| HCHammerson CORP - Portable Comcrete Batch | Seibert | CO | — | ◇ UNVERIFIED |
| HCHampton Concrete Products, INC. | Valencia | PA | — | ◇ UNVERIFIED |
| HCHamptons Concrete Lawn Ornaments | Bellevue | NE | — | ◇ UNVERIFIED |
| HFHanover Fabricators INC | Ashland | VA | — | ◇ UNVERIFIED |
| HIHansford Industries, INC. | Sacramento | CA | — | ◇ UNVERIFIED |
| HAHanson - Athens | Athens | GA | — | ◇ UNVERIFIED |
| HPHanson Pipe & Precast INC. | Fort Worth | TX | — | ◇ UNVERIFIED |
| HPHanson Pipe & Precast INC Sidney | Sidney | OH | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products | Lockeford | CA | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products Precast | Huntsville | AL | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products Southeast INC | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| HPHanson Pipe Victoria Facility | Victoria | TX | — | ◇ UNVERIFIED |
| HRHanson Roof Tile | Dixon | CA | — | ◇ UNVERIFIED |
| HRHanson Roof Tile INC | Houston | TX | — | ◇ UNVERIFIED |
| HRHanson Roof Tile Tolleson | Tolleson | AZ | — | ◇ UNVERIFIED |
| HVHappy Valley Blended Products, LLC | Bellefonte | PA | — | ◇ UNVERIFIED |
| HEHarbor Enterprises LLC. | Thomasville | GA | — | ◇ UNVERIFIED |
| HOHarbor Ornamental, INC. | Torrance | CA | — | ◇ UNVERIFIED |
 Hardric Laboratories | Waltham | MA | — | ◇ UNVERIFIED |
| HWHard Way Enterprises, Inc. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| HRHarmac Rebar & Steel CORP | Fryeburg | ME | — | ◇ UNVERIFIED |
| HTHarmarville Temporary Batch Plant Project | Harmar, Township of | PA | — | ◇ UNVERIFIED |
| HIHarmon's Ironworks and Fabrication LLC | Bowdon | GA | — | ◇ UNVERIFIED |
| HGHarold Green Bagging Facility | Austin | TX | — | ◇ UNVERIFIED |
 Harper Industries | Harper | KS | — | ◇ UNVERIFIED |
| HAHarrell Agricultural Products, INC. | Leesburg | GA | — | ◇ UNVERIFIED |
| HRHarris/arizona Rebar INC. (dba Harris Rebar Southern California) | Pomona | CA | — | ◇ UNVERIFIED |
| HRHarris Rebar Fresno INC | Fresno | CA | — | ◇ UNVERIFIED |
| HRHarris Rebar North Carolina INC | Catawba | SC | — | ◇ UNVERIFIED |
| HLHarriston-mayo LLC | Minto | ND | — | ◇ UNVERIFIED |
| HGHarry Gordon Steel Company | Winchester | KY | — | ◇ UNVERIFIED |
| HCHart Concrete Designs, INC. | Santa Ana | CA | — | ◇ UNVERIFIED |
| HLHassett LLC Dba Roettger Welding | Stillwater | MN | — | ◇ UNVERIFIED |
| HIHaulmark Industries INC | El Mirage | AZ | — | ◇ UNVERIFIED |
| HHHaus Holdings LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| HPHawaii Precast, INC. | Kailua Kona | HI | — | ◇ UNVERIFIED |
| HSHawe Steel Design | Butte | MT | — | ◇ UNVERIFIED |
| HAHawkins Ag | Holdrege | NE | — | ◇ UNVERIFIED |
| HMHawkins Manufacturing, INC. | Holdrege | NE | — | ◇ UNVERIFIED |
| HWHawk Welding & Fabrication Company | Fort Worth | TX | — | ◇ UNVERIFIED |
| HEHay Equipment INC | Senatobia | MS | — | ◇ UNVERIFIED |
| HKHay Kingdom INC. | Imperial | CA | — | ◇ UNVERIFIED |
| HJH.c Jeffries Tower Company, INC. | Porter | TX | — | ◇ UNVERIFIED |
| HUHcm Utah INC | La Mirada | CA | — | ◇ UNVERIFIED |
| HHHd Hudson Manufacturing CO | Hastings | MN | — | ◇ UNVERIFIED |
| HDH & D Specialties INC | Knoxville | AR | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD | Gilbert | AZ | — | ◇ UNVERIFIED |
| HRHeader Reinforcement CORP. | Fountain Valley | CA | — | ◇ UNVERIFIED |
| HAHeart Aerospace | El Segundo | CA | — | ◇ UNVERIFIED |
