| APEO | APEO, LLC | 281 Sanders Creek Parkway | |
| ASC PEO, LLC | ASC PEO, LLC | 569 Brookwood Village, Suite 901 | |
| Anchor QEA, Inc. | Anchor QEA, Inc. | 1201 Third Ave Suite 2600 | |
| Anthros | Anthros, Inc. | 400 W. Morse Blvd., Suite 203 | |
| Applied Business Solutions, Inc. | Applied Business Solutions, Inc. | 3020 Hartley Rd, Ste 300 | |
| Applied Power Solutions, LLC | Applied Power Solutions, LLC | 449 S Virginia St 4th Fl | |
| Ashley Management Corporation | Ashley Management Corporation | 16 West Main St. 700 Powers Bldg | |
| Ataraxis Nevada, Inc. | Ataraxis Nevada, Inc. | 600 N Curtis Rd Suite 101 | |
| Axios, LLC | Axios, LLC | 528 4th St NW | |
| BCN Resources Inc. | BCN Resources Inc. | 3650 W. Liberty | |
| BSL Professionals LLC | BSL Professionals LLC | 201 Jones Rd., Suite 300 | |
| Barrett Business Services, Inc. | Barrett Business Services, Inc. | 8100 NE Parkway Drive Suite 200 | |
| Basic Pay II, LLC | Basic Pay II, LLC | 231 W 29th St., Room 503 | |
| Bearing Tree, Incorporated | Bearing Tree, Incorporated | 300 S Riverside Plaza, Suite 1625 | |
| Black & White Leasing, LLC | Black & White Leasing, LLC | 3120 Township Road 155 | |
| Builders Exchange of Rochester, Inc. | Builders Exchange of Rochester, Inc. | 180 Linden Oaks, Suite 100 | |
| CEOHR | CEOHR, Inc. | 4211 W. Boy Scout Blvd Suite 500 | |
| CTMJ Inc. | CTMJ Inc. | 3014 US HWY 301 N., Suite 1000 | |
| 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 | |
| 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 | |
| Cohesive Networks 2, Inc. | Cohesive Networks 2, Inc. | 721 Emerson Suite 500 | |
| County Agency Inc. | County Agency Inc. | 129 South 8th Street | |