| Western New Mexico University | New Mexico |
| Western North American Region of The International Biometric Society | Washington |
| Western Oklahoma State College | Oklahoma |
| Western Oregon University | Oregon |
| Western Pennsylvania Linux Users Group | Pennsylvania |
| Western Process Computers, Inc. | Arizona |
| Western Research Institute | |
| Western Reserve Systems Group | Ohio |
| Western Reserve Systems, Inc. | Ohio |
| Western Services Corporation | Maryland |
| Western Sky Communications | Arizona |
| Western State College of Law | California |
| Western Technical Colelge | Texas |
| Western Technical College | Wisconsin |
| Western Technology Investment | California |
| Western Telecommunications Alliance | Montana |
| Western Telematic, Inc. | California |
| Western Texas College | Texas |
| Western Union Holdings, Inc. | |
| Western Vision Software | Utah |
| Western Washington University Computer Science Department | Washington |
| Western Washington University Department of Mathematics | Washington |
| WesTex Connect | Texas |
| Westfield State University | Massachusetts |
| WestFlorida Components | Florida |
| Westgate Computers | Texas |
| Westguard Investments, LLC | |
| WestHost | Utah |
| Westinghouse Electric Company, LLC | Pennsylvania |
| Westlake Ventures, Inc. | Florida |
| Westlake Village Biopartners | California |
| WestLink | Colorado |
| Westlinks Online, LLC | California |
| Westly Group | |
| Westly Group, Inc. | California |
| Westmaster | Florida |
| Westminster College Computer System Analysis | Missouri |
| Westminster College Department of Mathematics & Computer Science | Pennsylvania |
| Westminster College Mathematics Degree Program | Missouri |
| Westminster University | Utah |
| Westmont College | California |
| Westnet, LLC | California |
| Weston & Muir | California |
| Weston Baker Creative Group | |
| Weston Computer Systems | Michigan |
| Weston Computers | California |
| Weston Digital City, LLC | Florida |
| Weston Group | Texas |
| Weston Technology Solutions | Alaska |
| Westport Solutions | Georgia |