You can filter them based on skills, years of employment, job, education, department, and prior employment. Matrix Absence Management List of Employees There's an exhaustive list of past and present employees! Get comprehensive information on the number of employees at Matrix Absence Management. Subsidiaries: Partners Claim Services, Inc., Matrix Payroll Services, Inc. Headquarters: Phoenix, AZ Founded: 1986 Parent organization: Delphi Financial Group, Inc.