Historical clue formulations

• Big payroll service co. — 2026-04-16
• Big inits. in payroll services — 2022-08-26
• Payroll service co. — 2019-01-25
• Big payroll service co. — 2014-10-11
• Big check-printing co. — 2012-12-22
• Big inits. in check processing — 2004-02-01
• Payroll service giant, initially — 1997-11-09