| Central Business Solutions, Inc. | California |
| Central Business Solutions, Inc. | |
| Central Business Systems, Inc. | Kentucky |
| Central Carolina Technical College | South Carolina |
| Central Christian College of Kansas | Kansas |
| Central Coast Uplink | |
| Central College Information Systems | Iowa |
| Central Components Manufacturing | New Jersey |
| Central Computer Systems, Inc. | California |
| Central Connecticut State University Computer Science Department | Connecticut |
| Central Connecticut State University Department of Mathematical Sciences | Connecticut |
| Central Connecticut State University Programming Tutorials and Lecture Notes | Connecticut |
| Central FLorida Computer Society, Inc. | Florida |
| Central Florida Media Solutions | |
| Central Florida Research Park | Florida |
| Central Georgia Technical College | Georgia |
| Central Illinois Apple and Macintosh Users Group | Illinois |
| Central Indiana Linux Users Group | Indiana |
| Central Iowa Linux Users Group | Iowa |
| Central Kentucky Computer Society | Kentucky |
| Central Lakes College | Minnesota |
| Central Maine Tech Services, LLC | |
| Central Massachusetts Internet Solution Provider | Massachusetts |
| Central Methodist University | Missouri |
| Central Michigan University | Michigan |
| Central Michigan University Department of Computer Science | Michigan |
| Central Michigan University Department of Mathematics | Michigan |
| Central NY Tech Users Group | New York |
| Central Office Systems Corporation | Wisconsin |
| Central Ohio DB2 User Group | Ohio |
| Central Ohio Java Users Group | Ohio |
| Central Ohio Technical College | Ohio |
| Central Ohio Websites | Ohio |
| Central Oklahoma Telephone Co., LLC | Oklahoma |
| Central Penn College | Pennsylvania |
| Central Plains Computer Service, Inc. | Kansas |
| Central Ridge | Virginia |
| Central Security Group, Inc. | Oklahoma |
| Central Semiconductor | New York |
| Central Service Association | |
| Central Square | Florida |
| Central State University | Ohio |
| Central Technologies | California |
| Central Texas Angel Network | Texas |
| Central Texas College | Texas |
| Central Texas Linux Users Group | Texas |
| Central Texas Telephone Cooperative, Inc. | Texas |
| Central Virginia Datacomm, LLC | Virginia |
| Central Washington University | Washington |
| Central Washington University Department of Mathematics | Washington |