WageWorks - WageWorks provides consumer-directed benefits for pretax commuter and health accounts.
OnPay - Payroll and HR that make business a breeze
Zenefits - All-In-One Online HR: Payroll | Benefits | Compliance
Paylocity - Paylocity has revolutionized the industry and has quickly become the leading independent provider of online payroll services and HR solutions.
Insperity - Insperity takes care of your HR needs by managing employee benefits, payroll proccessing, and much more.
Viventium - Viventium is a cloud-based payroll and human resource software solution designed for small to midsize businesses.