Libraries using KLAS WebOPAC Version 4 - KLAS Version 7
- Alabama Regional Library for the Blind and Physically Handicapped
- Arizona Talking Book Library
- Braille Institute Library Services
- California State Library - Braille and Talking Book Library Catalog
- Colorado Talking Book Library
- Delaware Library for the Blind and Physically Handicapped
- Florida Braille and Talking Book Libraries
- Georgia Library Service for Blind and Print Disabled
- Idaho Talking Book Library
- Illinois State Library Talking Book and Braille Service
- Indiana State Library - Talking Book and Braille Library
- Kansas Instructional Resource Center
- Kansas Talking Book Library Catalog - A service of the State Library of Kansas
- Louisiana Talking Books and Braille Library
- Maryland School for the Blind
- Maryland State Library for the Blind and Print Disabled
- Minnesota Braille and Talking Book Library
- Mississippi Talking Book Services
- Montana Talking Book Library
- Nebraska Instructional Resource Center (not Nebraska Talking Book & Braille Service)
- Nevada Talking Book Services
- New Mexico Library for the Blind and Print Disabled
- New York Public Library - Andrew Heiskell Braille and Talking Book Library
- New York State Talking Book and Braille Library
- North Carolina Accessible Books and Library Services
- Ohio Braille and Talking Book Libraries
- Oklahoma Library for the Blind - Accessible Instructional Materials Center
- Oklahoma Library for the Blind and Physically Handicapped
- Oregon Talking Book & Braille Library
- Perkins Library (Massachusetts)
- Perkins Secondary Program Library
- Rhode Island Talking Books Plus
- San Francisco Public Library - Talking Books and Braille Center
- South Carolina State Library - Talking Book Services for People with Disabilities
- South Dakota Braille & Talking Book Library
- Utah Library for the Blind
- Vermont Department of Libraries, Special Services Unit
- Virginia Beach Public Library - Accessible Resources and Services
- Washington Talking Book & Braille Library
- Wisconsin Talking Book and Braille Library
- Wolfner Talking Book and Braille Library (Missouri)
- Worcester Talking Book Library
- Xavier Society for the Blind
