The following list is a sample of Certified Centers of Excellence
- ACS-Inc. E-Z Pass
- ARAG
- Al Hilal Bank
- Alliance Data
- Allianz
- Allied Solutions
- American Electric Power
- American Medical Association
- Ameritas
- Arab National Bank
- BNSF Railways
- Birch Communications
- Bright Horizons Family Solutions
- Broadview Networks
- Caesars
- Canon USA
- Church Mutual
- Citizens Energy Group
- Comenity Servicing
- Concordia Publishing
- Corporate Reimbursement Services, Inc.
- Delta Dental of Arkansas
- Delta Dental of Virginia
- Delta Dental of Wisconsin
- Duke Energy
- E & J Gallo Winery
- Edmentum
- Egis Project Canada, Inc.
- EyeMed Vision Care
- Farmers Insurance
- Florida Power and Light
- GE Capital Fleet Services' U.S.
- Harland Financial Solutions
- Harris Bank
- Health Net Federal Services
- Herbalife Mexico
- Herbalife US
- Iowa Telecom
- LCA Vision
- Lincoln Financial Group
- MAXIMUS Georgia Childcare and Parent Services
- MAXIMUS Georgia Families
- MAXIMUS Massachusetts Health Benefits Customer Service
- MAXIMUS New York Medicaid Choice
- MAXIMUS Texas Eligibility Support Services
- MESSA East Lansing-Based Member Service Center
- Mayo Medical Laboratories
- McKesson Pharmacy Solutions
- McKesson Pharmacy Systems & Automation
- McKesson Service First
- McKesson Specialty Care Solutions
- Merrill Lynch
- MetLife
- MetLife HR and Service Delivery Center
- NTTA - North Texas Tollway Authority
- National City: Home Loans Mortgage Direct Banking Collections
- New York Life - AARP
- OEConnection
- Otis Elevators
- Panasonic Corporation of North America
- Proctor Financial
- QBE FIRST
- Sauder Woodworking
- Sento
- Teachers Credit Union
- Telsk
- Trialcard
- U.S. Coast Guard
- US Postal Service
- United Concordia Dental
- VESystems
- Wolters Kluwer

