| PC Professional, Inc. | California |
| PC Professor | Florida |
| PC Quest Computers | Indiana |
| PC Quest, Inc. | Kentucky |
| PC Recycle and Repair | Washington |
| PC Rentals, Inc. | Texas |
| PC Seller | Pennsylvania |
| PC Shareware, Inc. | Virginia |
| PC Software Accounting, Inc. | Florida |
| PC Solutions & Consulting Ltd | New York |
| PC Solutions Software Development, Inc. | Connecticut |
| PC Solutions, Inc. | North Carolina |
| PC Spy Software | Ohio |
| PC Supplies, Inc. | Delaware |
| PC Support Now | Massachusetts |
| PC Support, Inc. | Florida |
| PC Surveillance | Ohio |
| PC Synergy | California |
| PC Tech Computer Repair Center | California |
| PC Technical Services | California |
| PC Technology | Wisconsin |
| PC Techs & Parts | Washington |
| PC Techware, Inc. | Georgia |
| PC TroniX | Pennsylvania |
| PC Updater | California |
| PC Ware Business Solutions, Inc. | New York |
| PC Weather Products, Inc. | Georgia |
| PC Whip | Pennsylvania |
| PC World | California |
| PC-911 | Colorado |
| PC-Doctor, Inc. | Nevada |
| PC/104 Consortium | California |
| PC40 Interactive | Missouri |
| PCA Electronics, Inc. | California |
| PCA Technology Group | New York |
| PCA Web Design & Hosting | Texas |
| PCAID-OC.com | California |
| PCB Apps | New Jersey |
| PCB Universe | Washington |
| PCB Unlimited | Oregon |
| PCB Update | Georgia |
| PCB007 | Illinois |
| PCBB | California |
| PCCables.com, Inc. | Florida |
| PCD Group | Oregon |
| PCExchane.net, Inc. | Massachusetts |
| PCG Companies | New Jersey |
| PCG Digital | |
| PCI Broadband | Colorado |
| PCI Global, Inc. | Florida |