- Maximus Georgia Childcare and Parent Services
- EyeMed Vision Care
- Delta Dental of Virginia
- Panasonic Corporation of North America
- Teachers Credit Union
- PLATO Learning
- MESSA East Lansing-Based Member Service Center
- MetLife
- Maximus Massachusetts Health Benefits (MassHealth) Customer Service
- ARAG
- Allied Solutions
- American Electric Power
- Ameritas
- Blue Ocean
- Canon USA
- Church Mutual
- Citizens Energy Group
- Concordia Publishing
- Delta Dental of Arkansas
- GE Capital Fleet Services' U.S.
- Maximus Texas Eligibility Support Services
- OEConnection
- Proctor Financial
- McKesson Specialty Care Solutions
- Herbalife Mexico
- Sauder Woodworking
- Merrill Lynch
- McKesson Pharmacy Solutions
- New York Life - AARP
- Wolter Kluwer
- Telsk
- Farmers Insurance
- Delta Dental of WI
- ACS-Inc. E-Z Pass
- Allianz
- BNSF Railways
- Blue Cross Blue Shield of MA
- Broadview
- Caesars
- Duke Energy
- Harland
- Herbalife US
- Iowa Telecom
- LCA Vision
- McKesson Service First
- NTTA
- National City: Home Loans Mortgage Direct Banking Collections
- Otis Elevators
- Sento
- U.S. Coast Guard
- US Postal Service
- VESystems
- ZC Sterling


