| 33541 | United States | Hannah Electric Company Inc. | Carrollton, GA 30117 | +1 770 8361079 | www.hannahelectric.net | | |
| 33542 | United States | Hannah Solar | 1311, Collier Road NW, Atlanta, GA, 30318 | +1 404 7367244 | hannahsolar.com | | |
| 33543 | United States | Hannah Solar Government Services LLC | 1090 Jack Primus Road, Charleston, SC 29492 | +1 843 7181866 | www.hsgs.solar | | |
| 33544 | United States | Happy Hals LLC | | +1 702 2800320 | www.happyhalsmobilerv.com | | |
| 33545 | United States | Happy Solar | Westminster, CO, 80021 | +1 720 3348837 | https://www.happy-solar.com | | |
| 33546 | United States | Harbor Coastal Electric Solar and Power | | +1 619 5545389 | www.hcelectricandsolar.com | SolarEdge Technologies, Ltd. | |
| 33547 | United States | Harbor Electrical Services | Los Angeles | +1 310 6916966 | harborelectricalservices.com | | |
| 33548 | United States | Harbor Solar | 4151 Spruill Ave., North Charleston, South Carolina, 29405 | +1 888 7042726 | www.harborsolar.com | | |
| 33549 | United States | Harbour Renewables | | | https://harbourrenewables.com | | |
| 33550 | United States | HardHat Workforce Solutions LLC | 357 S. Swing Road, Greensboro, NC 27409 | +1 336 8556575 | callhardhat.com | | |
| 33551 | United States | Hardt Electric Inc. | 4909 N Elston Ave. Chicago, IL 60630 | +1 773 6852200 | www.hardtelectric.com | | |
| 33552 | United States | Hardtop Roofing Corp | Miami-Dade County, FL | +1 786 5233773 | www.hardtoproofing.com | | |
| 33553 | United States | Hare Electric, Inc. | Rocky River, OH 44116 | +1 440 3314333 | hareelectric.com | | |
| 33554 | United States | Harmon Solar | 945 W. Deer Valley Rd., Suite 100, Phoenix, AZ, 85027 | +1 800 2813189 | harmonsolar.com | | |
| 33555 | United States | Harmony Air | 10230 Highway 175, Kelseyville, CA 95451 | +1 707 2399288 | harmonyairconstruction.com | | |
| 33556 | United States | Harmony Energy Works, Inc. | 10 Gale Rd, Hampton, NH 03842 | +1 603 9263366 | www.harmonyenergyworks.com | | |
| 33557 | United States | Harmony Farm Supply & Nursery | 3244 Gravenstein Hwy North, Sebastopol, CA 95472 | +1 707 8239125 | www.harmonyfarm.com | | |
| 33558 | United States | Harmony Solar | 305 Hanson Ln, Laramie, WY 82070 | +1 307 7611535 | www.harmonysolarwy.com | | |
| 33559 | United States | Harmony Solar | 17471 Farley Road West, Los Gatos CA 95030, USA | +1 408 3545858 | www.harmonysolar.com | | Xantrex Technology Inc, SMA Solar Technology AG |
| 33560 | United States | Harness Power | 177 E. Colorado Boulevard, #200, Pasadena, California, 91103 | +1 949 4785597 | harnesspower.com/ | SunPower Corp. | |
| 33561 | United States | Harness the Sun, LLC | 801 Windham Rd., Windham, CT 06226 | +1 860 9242786 | www.harnessdelsol.com | | |
| 33562 | United States | Harp Services | 5009 W. 62nd St., Tulsa, OK 74131-2626 | +1 918 4451600 | getharp.com | | |
| 33563 | United States | Harrimans Solar Energy Solutions | 140 James Street, Venice, FL 34285 | +1 941 4884453 | www.solarbyharrimans.com | SMA Solar Technology AG | |
| 33564 | United States | Harrison Electric & Solar | 11834, Camilla St., Whittier, CA, 90601-3202 | +1 562 6958321 | www.harrisonelectric.com | | |
| 33565 | United States | Harrisonville Electric | 1402 Sanders Street Harrisonville, MO 64701 | +1 816 3802012 | harrisonvilleelectric.com | | |
| 33566 | United States | Harrisun Systems | 100 Clark St., Wilmington, MA 01887 | +1 978 6583477 | www.harrisunsystems.com | | |
| 33567 | United States | Harrow Construction & Management Services | 1980 2nd Avenue, Suite 2D, New York, NY 10029 | +1 800 7866037 | www.theharrowconstruction.com | | |
| 33568 | United States | Harry-O Electrical Corp. | 73 Route 129, PO Box 7812, Loudon, NH 03307 | +1 603 7985599 | www.harryoelectrical.com | | |
| 33569 | United States | Hartman & Hartman | 67 Seal Road Eighty Four, PA 15330 | +1 724 2396002 | www.hartmanconstructors.com | | |
| 33570 | United States | Hartnett Electric, Inc. | 11312 Marjory Ave Tampa, FL 33612 | +1 813 9355697 | www.hartnettelectric.com | | |