Candle Corporation : (310) 829-5800

Capital Computer Solutions : (810) 624-3260

CCS Computer Systems : (206)-999-UNIX

CCTI, Inc: (303) 741-0320

Central Data Corporation : (800) 482-0315 or (217) 359-8010

Century Software, Inc. : (212) 943-1010

CERFnet (Support) : (800) 876-2373

Cheyenne Software : (516) 465-4000 or (800) 243-9462

Chisholm Technologies Inc : (512) 834-9962

Cisco Systems, Inc. (Corporate) : (408) 526-4000 or (800) 553-NETS (6387)

Cisco Systems, Inc. (Support) : (800) 553-2447 or (408) 526-7209

Charles River Computers: 212-906-9541

Clary Corporation : (800) 442-5279

CommVault Systems, Inc. : (800) 331-6207

Compass Computer Group : 01635 550660

Computer Classroom, Inc. : (800) 603-8988

Computer Consultation & Sales : (213) 307-9581

Computer Goldmine : (800) 878-5554

Comrise Technology : (908) 739-2330

Consultis : 407-644-7551

Coppick Group : (503) 691-6206

COS, Incorporated : (609) 771-6705

Coastal Business Machines (CBM) : (800) 944-9320 or (888) 2-FIX-UPS

Competitive Automation : (415) 321-4006

computerActive Inc : (613) 225-4824

Computer Associates International, Inc. : (516) DIAL-CAI (342-5224)

Computer Goldmine : (800) 878-5554 or (303) 443-5554

Confluent, Inc : (800) 780-2838 and (415) 586-8700

Continuus Software Corporation : (714) 453-2200

Coryphaeus Software, Inc. : (408) 395-4537

Cray Research, Inc. : (612)452-6650

CraySoft : (800) BUY-CRAY

Creative Digital Research (CDR) : (408) 255-0999

Creative Software Services, Inc.: (800) 770-8649

CrossWind Technologies, Inc. : (408) 469-1780

Cyberware : (408) 657-1450