| QC CORPORATION | QCode Information Technology Limited( Kowloon ) | QDS Injection Molding Inc. ( San Diego, CA ) |
| QC Electronics, Inc. ( Portage, WI ) | QCORPS Residential, Inc. ( Houston, TX ) | QDS Injection Molding LLC |
| QC Optics, Inc. ( Burlington, MA ) | Qcue LLC ( Austin, TX ) | QDS Injection Molding LLC ( Escondido, CA ) |
| QC Optics, Inc. ( Wilmington, MA ) | QCX Partners, Inc. ( Flossmoor, IL ) | QDS Injection Molding LLC ( Escondito, CA ) |
| QC Solutions, Inc. ( Billerica, MA ) | QD Enterprises LLC ( Sharon, MA ) | QDS Injection Molding LLC ( Rancho Santa Fe, CA ) |
| QC Solutions, Inc. ( North Billerica, MA ) | QD Enterprises, LLC ( Sharon, MA ) | QDS Injection Molding LLC ( Rancho Sante Fe, CA ) |
| QCEPT TECHNOLOGIES | QD Financial, LLC | QDS Injection Molding LLC ( San Diego, CA ) |
| QCEPT TECHNOLOGIES, INC. | QDA, Inc. ( Palo Alto, CA ) | QDS Injection Molding LLC. |
| QCEPT Technologies, Inc. ( Atlanta, GA ) | QDC TECHNOLOGIES PTY. LTD. ( South Melbourne, AU ) | QDS Injection Molding LLC. ( Escondido, CA ) |
| QCG Microelectronics ( West Paterson, NJ ) | QDesign Corporation | QDS Injection Molding LLC. ( Rancho Santa Fe, CA ) |
| QCHARM LLC ( Bethesda, MD ) | QDesign Corporation ( Seattle, WA ) | QDS Injection Molding LLC. ( San Diego, CA ) |
| QCI, Inc. ( Crossett, AR ) | QDesign U.S.A., Inc. ( Seattle, WA ) | QDS Injection Molding, L.L.C. |
| QCMetrix, Inc. ( Tewksbury, MA ) | QDesign USA, Inc. ( Seattle, WA ) | QDS Injection Molding, LLC ( San Diego, CA ) |
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