| 33511 | United States | H-Ion Solar Inc. | 6095 Monterey Avenue, Richmond, California, 94805 | +1 510 2377877 | hionsolar.com | | |
| 33512 | United States | H. A. Solar Consulting | 1012 Malaya Street, Aurora, Colorado 80018 | +1 720 3909207 | www.hasolar.co | | |
| 33513 | United States | H.B. Frazer Company | 514 Shoemaker Rd., King of Prussia, PA 19406 | +1 610 7680400 | www.hbfrazer.com | | |
| 33514 | United States | H.B. McClure Company | 600 South 17th Street, Harrisburg, PA 17104 | +1 717 2324328 | hbmcclure.com | | |
| 33515 | United States | H&L Electric Inc. | 696 San Ramon Valley Blvd. #320 Danville, CA 94526 | +1 833 4432323 | www.h-lelectric.com | | |
| 33516 | United States | Habitat Verde | | +1 310 7409715 | www.habitat-verde.com | Hanwha Q CELLS GmbH, Suniva Inc., LG Electronics, Inc. | SMA Solar Technology AG, Fronius International GmbH, Enphase Energy, Inc., SolarEdge Technologies, Ltd. |
| 33517 | United States | Haigh Electric | 1338 Elmhurst Dr., Howell, MI 48843-9139 | +1 517 5468010 | www.haighelectric.com | | |
| 33518 | United States | Hal Hays Construction, Inc. | 4181 Latham Street, Riverside, CA 92501-1729 | +1 951 7880703 | www.halhays.com | | |
| 33519 | United States | Halco | 865 County Road 6, Phelps, NY 14532 | +1 315 9466200 | www.halcoenergy.com | | |
| 33520 | United States | Halden Marine Service | Hollywood, FL 33021 | +1 954 5157077 | haldenmarineservice.com | | |
| 33521 | United States | Haleakala Solar, Inc. | 99-1265 Halawa Valley St., Aiea, HI 96701 | +1 808 4004181 | www.haleakalasolar.com | | |
| 33522 | United States | Haller Enterprises, Inc. | PO Box 375, Lititz, PA 17543 | +1 717 5469917 | www.hallerent.com | | |
| 33523 | United States | Halligan Electric Inc. | 705 Kelso Street Flint, MI 48506 | +1 810 2388581 | https://www.halliganelectric.com | | |
| 33524 | United States | Hallmark Homes Remodeling | 77 Alexander Road, Suite 14 Billerica, MA 01821 | +1 781 8380789 | www.hallmarkhomesassociates.com | | |
| 33525 | United States | Hallzie Solar | | +1 480 4333339 | www.hallziesolar.com | | |
| 33526 | United States | Halo Roofing | Chatsworth CA 91311 | +1 888 8814301 | www.haloroofing.net | | |
| 33527 | United States | Halo Smart Energy Solutions | 412, Winchester Way, Copperopolis, CA, 95228 | +1 209 2680888 | halosmartenergysolutions.com/ | | |
| 33528 | United States | Halo Solar, LLC | Goodfield, IL 61742 | +1 309 7407861 | https://halosolar.net | | |
| 33529 | United States | Hamilton Brothers Electrical | 655 South Main St. Springville, Utah 84663 | +1 801 4899449 | hamiltonbrotherselectric.com | | |
| 33530 | United States | Hamilton Ferris Co | 3 Angelo Drive Bourne, Cape Cod, MA 02532 | +1 508 7439901 | www.hamiltonferris.com | | |
| 33531 | United States | Hammerhead Energy Consulting | 10735 1/2 Ohio Ave, Los Angeles, CA, 90024 | +1 310 6194464 | hammerheadenergy.co | | |
| 33532 | United States | Hammersmith, Inc | | +1 860 3551921 | www.hammersmithinc.com | | |
| 33533 | United States | Hammond Electric Services | 350 Bridge Street, Yuba City, CA 95991 | +1 530 6712149 | hammondelectric.solar | | |
| 33534 | United States | Hampshire Power | 116 Pleasant Street, Ste. 350, East Hampton, MA 01027 | +1 413 3874888 | https://hampshirepower.com | | |
| 33535 | United States | Han Solar Energy | 3801 PGA Blvd., Ste. 600, Palm Beach Gardens, FL 33410 | +1 561 3206188 | www.hansolar.com | | |
| 33536 | United States | Handy Electrician | 881, Memorial Drive, Suite 308, Atlanta, GA, 30316 | +1 678 8735674 | https://handyelectrician.com | | |
| 33537 | United States | HandyCrew Services, Inc. | 1400 N. Jefferson St., Suite E, Anaheim, CA, 92807 | +1 714 5095045 | ochandycrew.com | | |
| 33538 | United States | Handyman Home Maintenance | | +1 615 9000531 | handymanhomemaintenance.com | | |
| 33539 | United States | Handymen of America Inc. | 497 Westside Avenue, JerseyCity, NJ 07304 | +1 973 7772932 | www.handymen-of-america.com | | |
| 33540 | United States | Hanlon Electric Company | 530 Old Frankstown Road, Monroeville, Pennsylvania, 15146-1099 | +1 412 7956100 | https://www.hanlonelectric.com | | |