| Boardwalk - Texas Gas Transmission | KY | | 1 | |
| Bobcat Of Marble Falls | TX | | 1 | |
| Boles Fire Protection District, MO | MO | Government | 1 | |
| Bomberg, Brandon | MN | Private | 1 | |
| Boone County, AR | AR | Government | 1 | |
| Boone County Board Of Education | KY | Government | 1 | |
| Borough Of Cliffside Park Housing Authority | NJ | Government | 1 | |
| Borough Of Ingram | PA | Government | 1 | |
| Borough Of North Braddock | PA | Government | 1 | |
| Borough Of Park Ridge | NJ | Government | 1 | |
| Borough Of Quakertown Public Works | PA | Government | 1 | |
| Borough Of Walnutport | PA | Government | 1 | |
| Botetourt County, VA | VA | Government | 1 | |
| Bourne Recreation Authority, MA | MA | Government | 1 | |
| Boyd County EMS, KY | KY | Government | 1 | |
| Bradford Township | PA | Government | 1 | |
| Brandon, MS | MS | | 1 | |
| Bray Construction Services Inc. | KY | Private | 1 | |
| Brenham, TX | TX | | 1 | |
| Brewster County, Texas (Alpine) | TX | Government | 1 | |
| Bridgeport Police Department, CT | CT | Government | 1 | |
| Bridgeton, MO | MO | | 1 | |
| Brighton, CO | CO | | 1 | |
| Brimeyer Dozing And Excavating | MO | Private | 1 | |
| Brink Constructiors-ele | MO +1 | Private | 1 | |
| Bristol, TN | TN | | 1 | |
| Brittenlift&installationservicesllc | TX | Private | 1 | |
| Brockport Csd-ny | NY | Government | 1 | 9 |
| Brockway Borough Municipal Authority | PA | Government | 1 | |
| Brooklyn Park, MN | MN | | 1 | |
| Brown County Purchasing | WI | Government | 1 | |
| Brown County, TX | TX | Government | 1 | |
| Brownsville Public Utilities Board | TX | Government | 1 | |
| Brunswick, City Of, OH | OH | Government | 1 | |
| Buchheit Concrete | MO | | 1 | |
| Buddy's Wrecker Service - Union City Area Impound/Towing, TN | TN | Private | 1 | |
| Buffalo Grove Park District, IL | IL | Government | 1 | |
| Buffalo Metro Federal Credit Union-NY | NY | Government | 1 | |
| Burlington, NC | NC | | 1 | 1 |
| Butler Rural Electric Cooperative INC | OH | Private | 1 | |
| Butte Electric Coop | SD | | 1 | |
| Byron's Pitstop | TX | | 1 | |
| C&C Motorsports | AR | Private | 1 | |
| C&D Electric | CO | | 1 | |
| C & I Crane Service, AL | AL | | 1 | |
| C & N Equipment | AR | | 1 | |
| CA Water Treatment Services, CA | CA | | 1 | |
| Calhoun County, IA | IA | Government | 1 | |
| Calhoun, GA | GA | | 1 | |
| California State University, Long Beach (csu) | CA | Government | 1 | |
| Calvert County Government, MD | MD | Government | 1 | |
| Canadian Nuclear Laboratories | | | 1 | |
| Canal Fulton Fire Department, OH | OH | Government | 1 | |
| Cantera Concrete Company | OK | Private | 1 | |
| Cape Breton Regional Fire Service, NS | | Government | 1 | |
| Capital Electric Line Builders | MO | | 1 | |
| Capital Sand Company | AR | | 1 | |
| Cardigan Mountain School Facilities Department | NH | Government | 1 | |
| Cargo MAX INC | MA | Private | 1 | |
| Cargo Trailer Sales, Inc. | PA | Private | 1 | |