| HMHawkeye Molding Company Inc | Roland | IA | — | ◇ UNVERIFIED |
| HFHawk Fabricators | Birmingham | AL | — | ◇ UNVERIFIED |
| HAHawks & Assoiciates, INC. | Cincinnati | OH | — | ◇ 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 |
| HIHayden Industrial Products | Corona | CA | — | ◇ UNVERIFIED |
| HSHaye Separations, INC. | Bandera | TX | — | ◇ UNVERIFIED |
| HSHayman Safe Company | Oviedo | FL | — | ◇ UNVERIFIED |
| HIHayward Industries, INC. | Clemmons | NC | — | ◇ UNVERIFIED |
| HCHazleton Custom Metal Products INC. | Hazleton | PA | — | ◇ UNVERIFIED |
| HIHbd Industries Incorporated | Salisbury | NC | — | ◇ UNVERIFIED |
| HBH B Ives CO (harrow Products) | New Haven | CT | — | ◇ UNVERIFIED |
| HIHbp, INC. | Freeport | IL | — | ◇ UNVERIFIED |
| HPHbp Pressure Pipe INC | Bakewell | TN | — | ◇ UNVERIFIED |
| HSHBT Smokers, LLC | Guntersville | AL | — | ◇ UNVERIFIED |
| HCH C Chandler & Son INC | Plantersville | TX | — | ◇ UNVERIFIED |
| HCHc Companies, INC. | Middlefield | OH | — | ◇ UNVERIFIED |
 Hci Steel Buildings LLC | Arlington | WA | — | ◇ 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 |
| HPHeader Products INC | Rose City | MI | — | ◇ UNVERIFIED |
| HRHeader Reinforcement CORP. | Fountain Valley | CA | — | ◇ UNVERIFIED |
| HLHead Lift Repair | South El Monte | CA | — | ◇ UNVERIFIED |
| HIHeadwaters Incorporated | Elkland | PA | — | ◇ UNVERIFIED |
| HIHeadway Ind INC | Lakewood | CO | — | ◇ UNVERIFIED |
| HAHeart Aerospace | El Segundo | CA | — | ◇ UNVERIFIED |
| HMHeartland Metal Sales, LLC | Marion | IL | — | ◇ UNVERIFIED |
| HCHeater Craft Marine Products, INC | Rathdrum | ID | — | ◇ UNVERIFIED |
| HSHeatland Stainless INC. | Wayne | NE | — | ◇ UNVERIFIED |
| HTHeat Transfer Specialists of Louisiana, INC. | Baton Rouge | LA | — | ◇ 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 |
| HMHedlund Martin Inc/south Lebanon | Lebanon | PA | — | ◇ UNVERIFIED |
| HHHedy Holmes Staffing Services | Lodi | CA | — | ◇ UNVERIFIED |
| HEH&e Equipment Services | Norwalk | 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 |
| HPHelical Pier Distribution | Howell | MI | — | ◇ UNVERIFIED |
| HEHelicopter Express Fab Shop | White City | OR | — | ◇ UNVERIFIED |
| HPHelms Performance Group, INC. Dba Christy Metals/chris Industries/chris Plating | Northbrook | IL | — | ◇ UNVERIFIED |
| HPHelmy Plastics, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| HIHelser Industries of Nc | Sharpsburg | NC | — | ◇ UNVERIFIED |
| HIHenbert Interiors Finishing INC | Richmond Hill | NY | — | ◇ UNVERIFIED |
| HMHench Mfg. INC. | San Clemente | CA | — | ◇ UNVERIFIED |
| HFHenderson Fabrication | San Antonio | TX | — | ◇ UNVERIFIED |
| HWHenderson Welding, INC. | Chicago | IL | — | ◇ UNVERIFIED |
| HAHenkels and Mccoy | Baldwin Park | CA | — | ◇ UNVERIFIED |
| HMHennemuth Metal Fabricators, INC. | Oakdale | PA | — | ◇ UNVERIFIED |
| HIHennig, INC. Marlin | Machesney Park | IL | — | ◇ UNVERIFIED |
| HAHenry and Sons Construction | New Braunfels | TX | — | ◇ UNVERIFIED |
| HFHenry Fletcher | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| HSHenry Station LLC | Ukiah | CA | — | ◇ UNVERIFIED |
| HMHeppner Molds | Post Falls | ID | — | ◇ UNVERIFIED |
| HHerc | Granite Bay | CA | — | ◇ UNVERIFIED |
| HPHercules Project Company LLC | Palmetto | FL | — | ◇ 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 |
| HPHeritage Portable Buildings, LLC | Burlington | WA | — | ◇ 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 |
| HEHester Enterprises, LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| H1Hestia 12120 LLC | Sugar Land | TX | — | ◇ UNVERIFIED |
| HSHetta Solutions INC | Waite Park | MN | — | ◇ UNVERIFIED |
| HAHexagon Agility | Lincoln | NE | — | ◇ UNVERIFIED |
 Hexpol Compounding | City of Industry | CA | — | ◇ UNVERIFIED |
| Hexpol Compounding Ca Dba Valley Processing a Hexpol Company | La Puente | CA | — | ◇ UNVERIFIED |
| HMHeyden Mold & Bench Co., INC. | Tallmadge | OH | — | ◇ UNVERIFIED |
| HSHfs Socal INC | Azusa | CA | — | ◇ UNVERIFIED |
| HSHg Solutions | Garland | TX | — | ◇ UNVERIFIED |
| HHH H Fabrication and Repair LLC | Winsted | MN | — | ◇ UNVERIFIED |
| HHH & H Fabrication, Inc. | Amarillo | TX | — | ◇ UNVERIFIED |
| HHH Hirschberger CO INC | Portland | OR | — | ◇ UNVERIFIED |
| HHH & H Metal Fabrication | Lawton | IA | — | ◇ UNVERIFIED |
| HRHiawatha Rubber Company | Minneapolis | MN | — | ◇ UNVERIFIED |
| HMHickey Metal Fabrication and Roofing Company | Salem | OH | — | ◇ UNVERIFIED |
| HSHickory Springs Manufacturing Co, Canton | Canton | MS | — | ◇ UNVERIFIED |
| HBHicks Brothers Property LLC | Kalamazoo | MI | — | ◇ UNVERIFIED |
| HPHicks Plastics Company, INC. | Macomb | MI | — | ◇ UNVERIFIED |
| HCHigh Caliber Fab LLC | Kiel | WI | — | ◇ UNVERIFIED |
| HIHigh Industries INC | Lancaster | PA | — | ◇ UNVERIFIED |
| HFHighland Foam, INC. | Conover | NC | — | ◇ UNVERIFIED |
| HSHighland Supply CORP | Redlands | CA | — | ◇ UNVERIFIED |
