| BBSI (Barrett Business Services, Inc.) | BBSI (Barrett Business Services, Inc.) | 8100 NE Parkway Dr | bbsi.com |
| BCN Resources Inc. | BCN Resources Inc. | 3650 W. Liberty | |
| Bearing Tree, Incorporated | Bearing Tree, Incorporated | 300 S Riverside Plaza, Suite 1625 | |
| Black & White Leasing, LLC | Black & White Leasing, LLC | 3120 Township Road 155 | |
| BSL Professionals LLC | BSL Professionals LLC | 201 Jones Rd., Suite 300 | |
| Builders Exchange of Rochester, Inc. | Builders Exchange of Rochester, Inc. | 180 Linden Oaks, Suite 100 | |
| Carelon Employment Company, LLC | Carelon Employment Company, LLC | 220 Virginia Ave | |
| Central Staff Services Inc. | Central Staff Services Inc. | 620A Route 25A | |
| Century II Staffing, LLC | Century II Staffing, LLC | 9020 Overlook Blvd., Suite 201 | |
| CEOHR | CEOHR, Inc. | 4211 W. Boy Scout Blvd Suite 500 | |
| CheckMate Management Inc. | CheckMate Management Inc. | 414 Grand Ave; PO Box 4364 | |
| CheckMate Services Inc. | CheckMate Services Inc. | 414 Grand Ave. P.O. Box 4364 | |
| Clear Employer Services | Clear Employer Services | 2080 Cabot Blvd W, Suite 202 | clearemployerservices.com |
| CoAdvantage | CoAdvantage | 101 Riverfront Blvd, Suite 300 | coadvantage.com |
| Cohesive Networks 2, Inc. | Cohesive Networks 2, Inc. | 721 Emerson Suite 500 | |
| County Agency Inc. | County Agency Inc. | 129 South 8th Street | |
| County Staffing Inc | County Staffing Inc | 129 South 8th St. | |
| CPEhr / ModernHR | CPE HR Inc | 7590 N Glenoaks Blvd, Suite 200 | cpehr.com |
| CTMJ Inc. | CTMJ Inc. | 3014 US HWY 301 N., Suite 1000 | |
| Current HR LLC | Current HR LLC | 1717 Dixie Highway Suite 390 | |
| DCXL, Inc | DCXL, Inc | 7361 Calhoun PL Suite 600 | |
| DecisionHR | DecisionHR 41, Inc. | 9455 Koger Blvd N, Ste 110 | |
| Deel PEO US, LLC | Deel PEO US, LLC | 1475 S. Price Road | |
| Deel PEO, LLC | Deel PEO, LLC | 548 Market Street Suite 67543 | |
| Dialysis Newco, Inc. | Dialysis Newco, Inc. | PO Box 251549 | |
