| PC Connection, Inc. ( Marlow, NH ) | PC Tel, Inc. ( San Jose, CA ) | PCC AIRFOILS, INC. |
| PC Cox Limited( Berkshire ) | PC Tools Technology Pty Limited ( Melbourne, AU ) | PCC Airfoils, Inc. ( Beachwood, OH ) |
| PC Guardian Anti-Theft Products Inc. ( San Rafael, CA ) | PC TOOLS TECHNOLOGY PTY LTD ( Melbourne, AU ) | PCC Airfoils, Inc. ( Cleveland, OH ) |
| PC Industries ( Brookville, PA ) | PC TOOLS TECHNOLOGY PTY LTD. ( Melbourne, AU ) | PCC Airfolis, Inc. ( Cleveland, OH ) |
| PC Lens Corp ( Dallas, TX ) | PC/Nametag, Inc. | PCC Artwork Systems ( Bristol, PA ) |
| PC Lens Corp. ( Dallas, TX ) | PCA Industries Inc. ( Long Island City, NY ) | PCC Composites, Inc. ( Pittsburgh, PA ) |
| PC Lens Corporation ( Dallas, TX ) | PCA International, Inc. ( Matthews, NC ) | PCC Enterprises, Inc. ( Atlanta, GA ) |
| PC Mirage LLC ( Baltimore, MD ) | PCast Equipment Corporation ( Pittsburgh, PA ) | PCC Specialty Products, Inc. ( Wexford, PA ) |
| PC Mirage, LLC ( Baltimore, MD ) | PCB Piezotronics Inc. ( Depew, NY ) | PCC Structurals, Inc. |
| PC Phone, Inc. ( Villanova, PA ) | PCB Piezotronics Inc., IMI Sensors ( Depew, NY ) | PCC Structurals, Inc. ( Portland, OR ) |
| PC Photonics Corp. ( Waterford, CT ) | PCB Piezotronics, Inc. ( Depew, NY ) | PCC Superior Fabrication ( Kincheloe, MI ) |
| PC Photonics Corporation ( Waterford, CT ) | PCB Plus, Inc. | PCCW-HKT DATACOM SERVICES LIMITED ( Quarry Bay, CN ) |
| PC Ray LLC ( St. Louis, MO ) | PCBU Business Services, Inc. | PCD Polymere Gesellschaft m.b.H. ( Linz, AT ) |
| PC Sports, Inc. ( Philadelphia, PA ) | PCBU Services, Inc. | PCD Polymere Gesellschaft m.b.H. ( Schwechat-Mannsworth, AT ) |
| PC Tech Inc. ( Lake City, MN ) | PCBU Services, Inc. ( Wilmington, DE ) | PCD Polymers Gesellschaft m.b.H. ( Schwechat-Mannsworth, AT ) |
| PC Tel Inc. ( Milipitas, CA ) | PCC Advanced Forming Technology | PC-Doctor Inc. ( Reno, NV ) |
| PC Tel, Inc. ( Milpitas, CA ) | PCC Airfoils | |
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