Associated Third Party Administrators (ATPA) is a nationwide third-party administrator of employee health and pension benefits for Labor/Management Trust Funds and Public Employee/Employer Benefit Plans. Products and services include data and funds processing, record keeping, collective bargaining agreement administration, health and welfare plan administration, and financial offerings such as annual reporting and tax filing. The company was founded in 1994 when employee benefits administrators C.W. Sweeney & Company and Glen Slaughter & Associates joined forces. It was acquired by United Benefits and Pension Services in 2007.