| 33601 | United States | Highlands Diversified, Inc. | 5114 E Clinton Way, Fresno, CA, 93727 | +1 559 4551700 | https://highlandsdiversified.net | | |
| 33602 | United States | HE Solar LLC | 100 Precision Dr., Suite 202 Buda, TX 78610 | +1 512 9216763 | www.hesolarllc.com | | |
| 33603 | United States | Headline Solar | 1750 E Golf Rd, Schaumburg, IL 60173 | +1 833 4435463 | www.headlinesolar.com | | |
| 33604 | United States | Headwaters Enterprises, Inc. | PO Box 3315 Boone, NC 28607 | +1 828 9641097 | https://www.headwaters.us | | |
| 33605 | United States | Healdsburg Solar Electric | 414 Grant St., Healdsburg, CA 95448 | +1 707 4311129 | www.healdsburgsolar.com | | |
| 33606 | United States | Healthy Home Solar | 4025 Tampa Road Oldsmar, Florida 34677 | +1 727 3166938 | https://healthyhomesolar.com | | |
| 33607 | United States | Heart of Florida, Inc. | 2 Kelly Lane Auburndale, Fl. 33823 | +1 863 5513191 | heartoffloridaelectricinc.com | | |
| 33608 | United States | Heartland Rural Electric Cooperative, Inc | 110 N. Enterprise Drive, PO Box 40, Girard, KS 66743 | +1 800 8359586 | https://www.heartland-rec.com | | |
| 33609 | United States | Heartland Constructors LLC | 1901 E. 37th. Street, Suite 106, Odessa, TX 79762 | +1 432 5307719 | www.heartlandsolartx.com | SolarWorld Industries GmbH | Enphase Energy, Inc. |
| 33610 | United States | Heating & Cooling Solutions LLC | 2430 Lathrop Avenue, Racine, WI 53405 | +1 262 5546083 | heatingcoolingsolutions.com | | |
| 33611 | United States | Heaven Solar LLC | 4701, 14th St, Apt 5104, Plano, TX, 75074 | +1 469 5691713 | heavensolar.us/ | | |
| 33612 | United States | HEC Solar | | | hec-solar.com | | |
| 33613 | United States | Hecate Energy LLC | 621 W Randolph St, Chicago, IL 60661 | info@hecateenergy.com | hecateenergy.com | | |
| 33614 | United States | Heck Electric & Solar | Santee, CA | +1 619 2486290 | https://heck-electricsolar.business.site | | |
| 33615 | United States | HedgeHog Electrical Services | 14553 S 790 W, Suite C, Bluffdale, Utah 84065 | +1 866 4719471 | https://www.hedgehogelectric.com | | |
| 33616 | United States | Heelstone Renewable Energy, LLC | 301 W. Barbee Chapel Road, Suite 100 Chapel Hill, NC 27517 | +1 844 4538633 | https://heelstoneenergy.com | Canadian Solar Inc. | SMA Solar Technology AG |
| 33617 | United States | Hegge Electrical Contractors, Inc. | 83852 Avenue 45, Indio, CA 92201 | +1 760 7754855 | https://www.heggeelectrical.com | | |
| 33618 | United States | Heidlage Electric LLC | 427 Lyon St Carthage, MO 64836 | +1 417 3880486 | https://www.heidlageelectricmo.com | | |
| 33619 | United States | Heliocentric | 12401 East Wilderness Rd., Salt Lake City, UT 84121 | +1 801 4539434 | www.heliocentric.org | | |
| 33620 | United States | Heliocol West | 2305 W. Huntington Drive, Tempe, AZ 85282 | +1 602 4547000 | www.heliocolwest.com | | |
| 33621 | United States | HelioPower Inc. | 43397, Business Park Dr, Ste D10, Temecula, CA, 92590 | +1 951 6777755 | heliopower.com | Suntech Power Co., Ltd., Mitsubishi Heavy Industries Ltd., Sharp Energy Solutions Europe, ET Solar New Energy Co., Ltd., Hyundai Energy Solutions, Silfab Solar Inc., Saint-Augustin Canada Electric Inc. | Satcon Technology Corp., Xantrex Technology Inc, Yaskawa - Solectria Solar, SMA Solar Technology AG, SolarEdge Technologies, Ltd. |
| 33622 | United States | Helios Electric LLC | 9711, Washingtonian Blvd, Suite 550, Gaithersburg, MD, 20878 | +1 240 5823900 | helioselectric.net | | |
| 33623 | United States | Helios Energy | 7114, Sleepy Hollow Road, Fairview, TN, 37062 | +1 888 5375359 | www.heliosenergyus.com | | |
| 33624 | United States | Helios Solar AZ | 525 W Baseline Rd., Mesa, Arizona, 85210 | +1 602 4617773 | heliossolaraz.com/ | | |
| 33625 | United States | Helios Solar LLC | 248 W Michigan Ave., Kalamazoo, MI 49007 | +1 269 3435560 | www.helios-solar.com | | |
| 33626 | United States | Helios Solar Energy LLC | 150, West End Ave, Suite UL2, Somerville, NJ, 08876 | +1 908 5260081 | heliosnj.com | Sharp Energy Solutions Europe | SMA Solar Technology AG |
| 33627 | United States | Helios Solar Systems, LLC | Virginia | | www.heliosolarsys.com | | |
| 33628 | United States | Heliotropics Technologies, P.A. | 60 Campbell Street, Boothbay Harbor, ME 04538 | +1 207 6331061 | heliotropictech.com | | |
| 33629 | United States | Helix Electric, Inc. | 6795 Flanders Drive, San Diego, CA 92121 | +1 858 5350505 | www.helixelectric.com | | |
| 33630 | United States | Hemphill Solar | 1305 N Lousiville Ave., Tulsa, OK 74115 | +1 918 8342200 | www.hemphillsolar.com | | |