| Darren Chapmen | IL | Private | 1 | |
| David Wickum | KS | Private | 1 | |
| Debco Geothermal LLC | KY | Private | 1 | |
| DeCarlo Corporation | IA | Private | 1 | |
| Defense Contract Management Agency (B) CV | KY | Government | 1 | |
| Defiance County, OH | OH | Government | 1 | 1 |
| DeKalb County, IL | MO | Government | 1 | |
| Delaware City, OH | OH | Government | 1 | |
| Delaware Township | PA | Government | 1 | |
| Delaware Valley Joint Fire District, OH | OH | Government | 1 | |
| Delta Air Lines, Inc | MN | Private | 1 | |
| Delta Juliet Lease CO. LLC | KS | Private | 1 | |
| Demo Seller | PA | | 1 | |
| Denver City And County, CO | CO | Government | 1 | 2 |
| Department Of The Air Force | CO | Government | 1 | |
| Des Moines Area Community College, IA | IA | Government | 1 | |
| Desoto County School District, MS | MS | Government | 1 | |
| DeSoto County Sheriff's Department, MS | MS | Government | 1 | |
| DGM Surplus, TX | TX | | 1 | |
| DH Pace Company, Inc. | CO | Private | 1 | |
| Diamond Valley, Town Of, AB | | Government | 1 | |
| Diamondback E&P LLC | TX | Private | 1 | |
| Diana Auto Sales | CA | Private | 1 | |
| Ditch Witch Midwest | IN | | 1 | |
| Diversified Utility Group INC | NC | Private | 1 | |
| Dixie Signs | FL | | 1 | |
| Don Patterson With Longan Con | OK | Private | 1 | |
| Don - Warren Cattle Company | AR | Private | 1 | |
| Door County Highway Department | WI | Government | 1 | |
| Dorenkamp Custom Construction | IA | Private | 1 | |
| Dover, DE | DE | | 1 | 1 |
| Downers Grove Grade School District 58 | IL | Government | 1 | |
| Dream First Bank | KS | Private | 1 | |
| DTE Energy | MI | | 1 | |
| Dufferin County, ON | | Government | 1 | |
| Dysart Et Al Municipality, ON | | Government | 1 | |
| E Z Bel Construction, LLC | TX | Private | 1 | |
| East BAY Municipal Utility District | CA | Government | 1 | |
| East Central Energy | WI | Private | 1 | |
| East Coast Lines INC | PA | Private | 1 | |
| East Coast Truck Sales LLC | OH | Private | 1 | |
| East Cocalico Township | PA | Government | 1 | |
| East Grand Forks Water & Light | MN | Government | 1 | |
| East Haddam, CT | CT | | 1 | |
| East Lampeter Township Police Department, PA | PA | Government | 1 | |
| Eastern Suffolk Boces-ny | NY | Government | 1 | 4 |
| Eastex Line Clearing | TX | Private | 1 | |
| EAT N Park Hospitality Group, Inc. | PA | Private | 1 | |
| Eaton, OH | OH | | 1 | |
| Eau Claire County, WI | WI | Government | 1 | |
| Eden Township/Licking County, OH | OH | Government | 1 | |
| EDM Inc. | MN | Private | 1 | |
| Eighty-eight Custom, LLC | NC | Private | 1 | |
| El Dorado County Fire Protection District, CA | CA | Government | 1 | |
| El Paso County Public Administrator, CO | CO | Government | 1 | |
| El Paso County School District 49 | CO | Government | 1 | |
| Electrical Engineering Enterprises | FL | | 1 | |
| Elevate Equipment & Concrete Supply LLC | MO | Private | 1 | |
| Elizabethtown GAS | PA | | 1 | |
| Elk County Land Management | KS | Government | 1 | |