| Heidtman Steel (Granite City, IL)
|
| Helping Handrails (Pittsburgh, PA)
|
| Hercules Drawn Steel (Livonia, MI)
|
| Hercules Safety Equipment (Houston, TX)
|
| Herold Precision Metals (Saint Paul, MN)
|
| Hidden Valley Steel & Scrap (Escondido, CA)
|
| Hill & Hill Enterprises Inc (Winston, GA)
|
| Hille & Mueller Inc (Warren, OH)
|
| Hi-Mill Manufacturing Co (Highland, MI)
|
| Hi-Star Castings Co (Cleveland, OH)
|
| Hodes Industries Inc (Bellefonte, PA)
|
| Hodgdon Brothers (Ascutney, VT)
|
| Hoeganaes Corp (Riverton, NJ)
|
| Hokin-Katz Metals Svc (Los Angeles, CA)
|
| Holbrook Manufacturing Inc (Wheeling, IL)
|
| Hooley Inc (New Orleans, LA)
|
| Hoover Precision Products Inc (Sault Sainte Mar, MI)
|
| Horizon Technologies (Lynchburg, VA)
|
| Houston Flame Hardening Co (Houston, TX)
|
| Hudson River Recycling (Albany, NY)
|
| Hunt Imaging Llc (Berea, OH)
|
| Hunter Steel (Fort Gibson, OK)
|
| Huron Valley Steel (Belleville, MI)
|
| Hydra Hose & Supply Co (Yorktown, VA)
|
| Hydrant Repair Parts (Tulsa, OK)
|
