| Hope's Windows, Inc. |
Jamestown, New York |
| Horizon Stone |
Chattanooga, Tennessee |
| Horner Lighting Group |
Indianapolis, Indiana |
| Horng Lai Industrial Company Ltd. |
Lukang Township, Changhua County |
| Horton Automatics |
Corpus Christi, Texas |
| Household Metals, Inc. (HMI) |
Philadelphia, Pennsylvania |
| Howard Lighting |
Laurel, Mississippi |
| HPM Building Supply |
Kapolei, Hawaii |
| Hsien Chang Metals Company, Ltd. |
Tou-Lun Li, CH |
| Huayi |
Jiangmen Shi, Guangdong Sheng |
| Hubbardton Forge |
Castleton, Vermont |
| Hubbell Electric Heater Company |
Stratford, Connecticut |
| Hui Zhou TCL Light Electrical Appliances Company, Ltd. |
Huizhou Shi, Guangdong Sheng |
| Hunter Panels |
Terrell, Texas |
| Hunter Panels |
Puyallup, Washington |
| Hunter Panels |
Smithfield, Pennsylvania |
| Hunter Panels |
Lake City, Florida |
| Hunter Panels |
Tooele, Utah |
| Hunter Panels |
Montgomery, New York |
| Hunter Panels |
Franklin Park, Illinois |
| Huntington Solutions |
Grove City, Ohio |
| Huntsman Building Solutions |
Arlington, Texas |
| Huron Windows & Doors |
Morden, Manitoba |
| HW Manufacturing |
Starbuck, Manitoba |
| Hydro-Temp Corporation |
Pocahontas, Arkansas |
| Hyload Inc. |
Seville, Ohio |
| Hyload Inc. |
Wadsworth, Ohio |