Payroll service initials

• Data processing by a computer
• Big check-printing co.
• Big inits. in check processing
• Big name in payroll
• An ester of adenosine that is converted to ATP for energy storage
• Payroll services company
• Check-processing company, initially
• Payroll service co

Wiktionary Word definitions in Wiktionary
n. (initialism of adenosine diphosphate English)