Following is a brief listing of various CSI clients which best demonstrates both the extensiveness and variety of CSI's experience in the eCollections environment.
- Missouri Department of Elementary and Secondary Education
- Missouri Department of Health and Senior Services
- Missouri Department of Revenue
- Missouri Department of Transportation
- Missouri Division of Conservation
- Missouri Division of Professional Registration
- Missouri Secretary of State Office
- Missouri State Emergency Management Agency
- Missouri State Employees Retirement System
- Missouri Supreme Court Bar
- Bexar County Tax Collector
- Escambia County Tax Collector
- St. Johns County Tax Collector
| Utilities and Municipal Services |
- Canton Municipal Utilities
- City of Colton Public Utilities
- City of Covington
- City of Grand Junction Utility
- City of North Little Rock Utilities
- City of Pensacola (ESP)
- City of Springfield (CWLP)
- City of Vero Beach Utilities
- Consolidated Utility District (CUD)
- Crisp County Power Commission
- Global Water Resources
- Hardin County Water District
- Hillsdale Board of Public Utilities
- Keys Energy Services
- Merced Irrigation District
- New Brunsfels Utilities
- Quadvest
- Seacoast Utility Authority
- Archstone Smith
- San Antonio Housing Authority (SAHA)
