| HPHawk Portable Buildings | Clyde | TX | — | ◇ UNVERIFIED |
| HTHawk Tool & Mold, INC. | Englewood | OH | — | ◇ UNVERIFIED |
| HWHawk Welding & Fabrication Company | Fort Worth | TX | — | ◇ UNVERIFIED |
| HBHawthorne Brothers LLC | Nacogdoches | TX | — | ◇ UNVERIFIED |
| HHHawthorne Hydroponics LLC | Chandler | AZ | — | ◇ UNVERIFIED |
| HSHaye Separations, INC. | Bandera | TX | — | ◇ UNVERIFIED |
| HIHayward Industries, INC. | Clemmons | NC | — | ◇ UNVERIFIED |
| HCHazleton Custom Metal Products INC. | Hazleton | PA | — | ◇ UNVERIFIED |
| HIHbp, INC. | Freeport | IL | — | ◇ UNVERIFIED |
| HCHc Companies, INC. | Middlefield | OH | — | ◇ UNVERIFIED |
| HJH.c Jeffries Tower Company, INC. | Porter | TX | — | ◇ UNVERIFIED |
| HCH. C Products | Middlefield | OH | — | ◇ UNVERIFIED |
| HCH. C. Wade Sheet Metal Works | Martinsville | VA | — | ◇ UNVERIFIED |
| HFHdn F&a INC | Battle Creek | MI | — | ◇ UNVERIFIED |
| HDH & D Specialties INC | Knoxville | AR | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD | Gilbert | AZ | — | ◇ UNVERIFIED |
| HRHeader Reinforcement CORP. | Fountain Valley | CA | — | ◇ UNVERIFIED |
| HIHeadwaters Incorporated | Elkland | PA | — | ◇ UNVERIFIED |
| HAHeart Aerospace | El Segundo | CA | — | ◇ UNVERIFIED |
| HMHeartland Metal Sales, LLC | Marion | IL | — | ◇ UNVERIFIED |
| HLHeavy & Light Welding/Fabrication, Inc. | Bend | OR | — | ◇ UNVERIFIED |
| HLHeavy Line Fabrication | Anna | TX | — | ◇ UNVERIFIED |
| HMHeavy Metal Corporation | Cranston | RI | — | ◇ UNVERIFIED |
| HMHeavy Metal Fabrication | Colorado Springs | CO | — | ◇ UNVERIFIED |
| HSHeavy Stone Rings LLC | Orem | UT | — | ◇ UNVERIFIED |
| HMHec Manufacturing, INC. | Bardstown | KY | — | ◇ UNVERIFIED |
| HHHedy Holmes Staffing Services | Lodi | CA | — | ◇ UNVERIFIED |
| HSHeintz Steel and Manufacturing Company | Saint Louis | MO | — | ◇ UNVERIFIED |
 Helander Metal Spinning Company | Lombard | IL | — | ◇ UNVERIFIED |
| Helander Metal Spinning Company | Addison | IL | — | ◇ UNVERIFIED |
| HPHelmy Plastics, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| HIHelser Industries of Nc | Sharpsburg | NC | — | ◇ UNVERIFIED |
| HFHenderson Fabrication | San Antonio | TX | — | ◇ UNVERIFIED |
| HWHenderson Welding, INC. | Chicago | IL | — | ◇ UNVERIFIED |
| HMHennemuth Metal Fabricators, INC. | Oakdale | PA | — | ◇ UNVERIFIED |
| HIHennig, INC. Marlin | Machesney Park | IL | — | ◇ UNVERIFIED |
| HAHenry and Sons Construction | New Braunfels | TX | — | ◇ UNVERIFIED |
| HMHeppner Molds | Post Falls | ID | — | ◇ UNVERIFIED |
| HSHercules Sheet Metal | Chalmette | LA | — | ◇ UNVERIFIED |
| HSHercules Steel Company, Incorporated | Richlands | NC | — | ◇ UNVERIFIED |
| HBHeritage Bag CO. | Villa Rica | GA | — | ◇ UNVERIFIED |
| HCHeritage Custom Fabricators | Princeton | IN | — | ◇ UNVERIFIED |
| HMHeritage Metal LLC | Tazewell | VA | — | ◇ UNVERIFIED |
| HBHerman Binz & Sons Iron Works | Little Rock | AR | — | ◇ UNVERIFIED |
| HSHerman Steel Inc | Slatington | PA | — | ◇ UNVERIFIED |
| HSHermitage Steel, Incorporated | Richmond | VA | — | ◇ UNVERIFIED |
| HFHerrera Fabricating INC. | Houston | TX | — | ◇ UNVERIFIED |
| HCHerrick CORP Dba San Bernardino Steel INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| HEHerrington Ed | Hudson | NY | — | ◇ UNVERIFIED |
| H1Hestia 12120 LLC | Sugar Land | TX | — | ◇ UNVERIFIED |
| HAHexagon Agility | Lincoln | NE | — | ◇ UNVERIFIED |
| HMHeyden Mold & Bench Co., INC. | Tallmadge | OH | — | ◇ UNVERIFIED |
| HSHg Solutions | Garland | TX | — | ◇ UNVERIFIED |
| HHH Hirschberger CO INC | Portland | OR | — | ◇ UNVERIFIED |
| HHH & H Metal Fabrication | Lawton | IA | — | ◇ UNVERIFIED |
| HBHicks Brothers Property LLC | Kalamazoo | MI | — | ◇ UNVERIFIED |
| HPHicks Plastics Company, INC. | Macomb | MI | — | ◇ UNVERIFIED |
| HIHigh Industries INC | Lancaster | PA | — | ◇ UNVERIFIED |
| HQHigh Quality Plastics, Inc* | Pleasant Hill | MO | — | ◇ UNVERIFIED |
| HMHightower Metal Works | Houston | TX | — | ◇ UNVERIFIED |
| HMHighway Metal Services, INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| HSHighway Systems, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| HMHildebrandt Machine | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| HFHilgert Family Properties, LLC | Pomona | CA | — | ◇ UNVERIFIED |
| HSHillcrest Sheet Metal, INC. | Bakersfield | CA | — | ◇ UNVERIFIED |
| HMHill Mfg LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| HRHill Rebar INC | Corona | CA | — | ◇ UNVERIFIED |
| HSHillsboro Sheet Metal, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| HCHillside Custom Machining & Fabrication, LLC | Denver | PA | — | ◇ UNVERIFIED |
| HVHill View Mini Barns | Hermon | ME | — | ◇ UNVERIFIED |
| HVHill View Mini Barns | Etna | ME | — | ◇ UNVERIFIED |
| HWHinojosas Welding Service LLC | Alice | TX | — | ◇ UNVERIFIED |
| HEHirschfeld Energy Systems, LLC | San Angelo | TX | — | ◇ UNVERIFIED |
| HIHirschfeld Industries | San Angelo | TX | — | ◇ UNVERIFIED |
| HIHirschfeld Industries Group LP | Abilene | TX | — | ◇ UNVERIFIED |
| HIHirschfeld Industries LP | San Angelo | TX | — | ◇ UNVERIFIED |
| HIHisarmco, INC. | Longmont | CO | — | ◇ UNVERIFIED |
| HCHitco Carbon Composite INC. | Gardena | CA | — | ◇ UNVERIFIED |
| HCHitco Carbon Composites INC. | Gardena | CA | — | ◇ UNVERIFIED |
| HFHi-tech Fab, INC. | Shelbyville | TN | — | ◇ UNVERIFIED |
| HFHi-tech Fabrication, INC. | Raleigh | NC | — | ◇ UNVERIFIED |
| HHHi-tech Housing Incorporated | Bristol | IN | — | ◇ UNVERIFIED |
| HIHi-tech Industries of New York | Johnson City | NY | — | ◇ UNVERIFIED |
| HTHi Tech Industries of New York, INC. | Johnson City | NY | — | ◇ UNVERIFIED |
 Hi-Tech Metals, Inc. | Maspeth | NY | — | ◇ UNVERIFIED |
| HMHitide Manufacturing Group, LLC | Kissimmee | FL | — | ◇ UNVERIFIED |
| HRHJR Real Estate, LLC | Elkhart | IN | — | ◇ UNVERIFIED |
| HRHJR Real Estate, LLC | Mishawaka | IN | — | ◇ UNVERIFIED |
| HSHj Shotwell CO | Minneapolis | MN | — | ◇ UNVERIFIED |
| HKH & K Tool & Die INC. | Stevens Point | WI | — | ◇ UNVERIFIED |
| HIH&l Industries, INC. | Solon Springs | WI | — | ◇ UNVERIFIED |
| HPHl Property Management | Petaluma | CA | — | ◇ UNVERIFIED |
| HIHme INC | Topeka | KS | — | ◇ UNVERIFIED |
| HIHme, INC. | Laramie | WY | — | ◇ UNVERIFIED |
| HIHmt, INC. | Blackwell | OK | — | ◇ UNVERIFIED |
| HWHm White INC | Detroit | MI | — | ◇ UNVERIFIED |
| HNH N Lockwood INC | Redwood City | CA | — | ◇ UNVERIFIED |
| HEHoffman Enclosures INC Dba Pentair Technical | Anoka | MN | — | ◇ UNVERIFIED |
| HMHoffman Manufacturing, INC. | Fogelsville | PA | — | ◇ UNVERIFIED |
| HPHoffman Precision Plastics, INC. | Blackwood | NJ | — | ◇ UNVERIFIED |
