| Greene County Engineer, OH | OH | Government | 1 | |
| Greene County, MO | MO | Government | 1 | |
| Greeneville City Schools, TN | TN | Government | 1 | |
| Greenlight Networks, LLC | PA | Private | 1 | |
| Greensboro Executive Airport, NC | NC | | 1 | |
| Greenville, OH | OH | | 1 | |
| Grey County Corporation, ON | | Government | 1 | |
| Grid ONE Electrical Construction INC | FL | Private | 1 | |
| Griffith Industries INC | CA | Private | 1 | |
| Grimsley Inc. | OK | Private | 1 | |
| Grove City, OH | OH | Government | 1 | |
| Gunn Construction | IL | Private | 1 | |
| H&M Heavy Equipment Repair | IL | Private | 1 | |
| Habersham County Board Of County Commissioners, GA | GA | Government | 1 | |
| Habersham County Board Of Education, GA | GA | Government | 1 | |
| Half Hollow Hills CSD | NY | Government | 1 | |
| Halifax County, VA | VA | Government | 1 | |
| Hamilton, OH | OH | | 1 | |
| Hanifen CO, INC | IA | Private | 1 | |
| Hanover Township | PA | Government | 1 | |
| Hanover Township Fire District #3, NJ | NJ | Government | 1 | |
| Haralson County, GA | GA | Government | 1 | |
| Harnett County Schools, NC | NC | Government | 1 | |
| Harrisburg River Rescue, PA | PA | | 1 | |
| Hart County Board Of Commissioners, GA | GA | Government | 1 | |
| Hartsville Trousdale Water And Sewer Utility District, TN | TN | Government | 1 | |
| Hatzolah Emergency Medical Services, NJ | NJ | | 1 | |
| Havelock-Belmont-Methuen Township, ON | | Government | 1 | |
| Haverhill, MA | MA | | 1 | |
| Hazlehurst, GA | GA | | 1 | |
| Heartland Propane | KS | | 1 | |
| Hefco Services LLC | TX | Private | 1 | |
| Heidelberg Township | PA | Government | 1 | |
| Hemet, CA | CA | | 1 | 2 |
| Hereford Texas Federal Credit Union | TX | Government | 1 | |
| HF Sinclair PSR | WA | | 1 | 1 |
| Hick's Classic Concrete, Inc. | KS | Private | 1 | |
| High Point, NC | NC | | 1 | 1 |
| High Valley Transit | UT | Government | 1 | |
| Hilscher-Clarke Electric Co | OH | Private | 1 | |
| HJD Capital Electric, INC | TX | Private | 1 | |
| Hock Communications | PA | | 1 | |
| Hocking County Engineer, OH | OH | Government | 1 | |
| Hogg Holdings Llc | OK | Private | 1 | |
| Holden Police Department | MA | Government | 1 | |
| Holt CAT | TX | Private | 1 | |
| Hood's Equipment & Auto Sales | TN | Private | 1 | |
| Hooker Public Schools | OK | Government | 1 | |
| Hoosier Pride Excavating, Inc | IN | Private | 1 | |
| Hope In Hand Foundation Inc., GA | CA | Private | 1 | |
| Horizon Lighting | CA | | 1 | |
| Horry County, SC | SC | Government | 1 | 2 |
| Horton Township, ON | | Government | 1 | |
| Horton Truck & Equipment LLC | TX | Private | 1 | |
| Howick Township, ON | | Government | 1 | |
| Howland Township Fire Department, OH | OH | Government | 1 | |
| Hubbard Public Works, OR | OR | Government | 1 | |
| Huen Electric | IL +1 | | 1 | |
| Hueytown, AL | AL | | 1 | |
| Huntsville Water Utilities, AR | AR | Government | 1 | |