Check-processing company, initially

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

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

Wikipedia Word definitions in Wikipedia
Adp or ADP may refer to: