| Business | Phone |
| Automatic Data Processing 12200 Weber Hill Rd, St Louis 63127 | (314) 525-3000 |
| Axiom Partners Payroll Ntwrk 1001 Craig Rd # 260, St Louis 63146 | (314) 569-9813 |
| Toolbox 11750 Westlne Ind Dr, St Louis 63146 | (314) 569-5060 |
| Solutions Payroll & Acctg Svc 801 Evans Ave, St Louis 63122 | (314) 909-7995 |
| Regency Computer Svc 9131 Watson Industrial # Ll1, St Louis 63126 | (314) 968-2686 |
| Payroll 1 Inc 425 N New Ballas Rd # 290, St Louis 63141 | (314) 991-5301 |
| Payroll Super-Temps Inc 515 Winding Trail Ln, St Louis 63131 | (314) 849-4856 |
| Comstat Payroll & Business Svc 5840 Macklind Ave, St Louis 63109 | (314) 351-7090 |
| Ceridian Employer Svc St Louis 63141 | (314) 872-2200 |
| Ceridian Human Resource Sltns 425 N New Ballas Rd # 100, St Louis 63141 | (314) 872-2200 |