| CIColfax International | Sunnyvale | — | ◇ UNVERIFIED |
| CHComcast-morgan Hill | Morgan Hill | — | ◇ UNVERIFIED |
| CTComet Technologies | San Jose | — | ◇ UNVERIFIED |
| CFCommonwealth Fusion Systems LLC | Milpitas | — | ◇ UNVERIFIED |
| CPCommscope (fka Pace) | San Jose | — | ◇ UNVERIFIED |
| CPCommunications & Power Industries | Mountain View | — | ◇ UNVERIFIED |
| CPCommunications & Power Industries LLC Silicon Valley Design Center | San Jose | — | ◇ UNVERIFIED |
| CGComplete Genomics, INC | Mountain View | — | ◇ UNVERIFIED |
| CUCompugraphics USA | Los Gatos | — | ◇ UNVERIFIED |
| CCComputer Cabinet Corporation | San Jose | — | ◇ UNVERIFIED |
| CEComputer & Electronic Finishin | San Jose | — | ◇ UNVERIFIED |
| CPConner Peripherals | San Jose | — | ◇ UNVERIFIED |
| CTCoolstar Technology | Santa Clara | — | ◇ UNVERIFIED |
| CCCoupons Com | Mountain View | — | ◇ UNVERIFIED |
| CSCovidien Sunnyvale | Sunnyvale | — | ◇ UNVERIFIED |
| CSCpi Satcom & Antenna Technologies INC. | San Jose | — | ◇ UNVERIFIED |
| CMCree Microwave | Sunnyvale | — | ◇ UNVERIFIED |
| CICrystacomm INC | Mountain View | — | ◇ UNVERIFIED |
| CSCrystal Solar INC. | Santa Clara | — | ◇ UNVERIFIED |
| CTCsr Technology, INC | San Jose | — | ◇ UNVERIFIED |
| CECts Electronic Manufacturing S | Santa Clara | — | ◇ UNVERIFIED |
| CECts Electronics Manufacturing | San Jose | — | ◇ UNVERIFIED |
| CCummins | Santa Clara | — | ◇ UNVERIFIED |
| CSCycle Start, INC | Sunnyvale | — | ◇ UNVERIFIED |
| CSCypress Semiconductor | San Jose | — | ◇ UNVERIFIED |
| CSCypress Semiconductor CORP | San Jose | — | ◇ UNVERIFIED |
| CCCytyc CORP (a Division of Hologic) | Sunnyvale | — | ◇ UNVERIFIED |
| DSDainippon Screen Engineering O | Sunnyvale | — | ◇ UNVERIFIED |
| DTDaystar Technologies | Santa Clara | — | ◇ UNVERIFIED |
| DEDecade Engineering | Santa Clara | — | ◇ UNVERIFIED |
| DSDeep Space Industries, INC | San Jose | — | ◇ UNVERIFIED |
| DADeerfield Arques LLC | Sunnyvale | — | ◇ UNVERIFIED |
| D2Destination 2d INC | San Jose | — | ◇ UNVERIFIED |
| DMDetlev & Michele Marquardt Dba Micro Pre | Campbell | — | ◇ UNVERIFIED |
| DBDevcon Bubb Rd Investors | Cupertino | — | ◇ UNVERIFIED |
| DRDevonshire Realty Trust, LLC | Santa Clara | — | ◇ UNVERIFIED |
| DIDicar INC Dba Dicar Networks | San Jose | — | ◇ UNVERIFIED |
| DSDielectric Solutions INC | San Jose | — | ◇ UNVERIFIED |
| DIDigilens INC | Sunnyvale | — | ◇ UNVERIFIED |
| DMDigital Microwave Corporation | San Jose | — | ◇ UNVERIFIED |
| DDiligens | Sunnyvale | — | ◇ UNVERIFIED |
| DIDiodes INC | Milpitas | — | ◇ UNVERIFIED |
| DCDitech Communications | Mountain View | — | ◇ UNVERIFIED |
| DPDomo Pcb, INC | Mountain View | — | ◇ UNVERIFIED |
| DTDon Tucker | Gilroy | — | ◇ UNVERIFIED |
| DMDref Milpitas, LLC | Milpitas | — | ◇ UNVERIFIED |
| DCDrsco/ Coronado, LLC | Santa Clara | — | ◇ UNVERIFIED |
| DRD R Stephens & Company | Milpitas | — | ◇ UNVERIFIED |
| DSDunan Sensing LLC | San Jose | — | ◇ UNVERIFIED |
| DPDupont Photomasks INC - Santa | Santa Clara | — | ◇ UNVERIFIED |
