C & P Press

CABLETRON SYSTEMS

CABLEVISION

CABLEVISION LIGHTPATH

CALLEO DEVELOPMENT CORP.

CAP GEMINI ERNST & YOUNG LLC

CARNEGIE COUNCIL

CARRIER CORPORATION

CATAPANO ENGINEERING

CDI

CECOM – RESEARCH DEVELOPMENT, ENGINEERING CENTER

CEDAR ELECTRICAL CONTRACTORS INC.

CENTRAL HUDSON GAS & ELECTRIC CORP.

CENTRAL SEMICONDUCTOR CORP.

CERTCO, INC.

CHARLOTTESVILLE DEPT. OF NEIGHBORHOOD DEVELOPMENT SERVICES

CHELSEA PIERS

CHEMICAL & PHARMACUTICAL PRESS

CIBA SPECIALTY CHEMICALS CORP.

CIBA-GEIGY CORP.

CISCO SYSTEMS

City of New York - Parks and Recreation

COLGATE-PALMOLIVE

COMMTECH CORPORATION

COMMUNITY ENVIORNMENTAL CENTER, INC

COMMVAULT SYSTEMS, INC.

COMPAQ COMPUTER CORP.

COMPOSITION

COMPRESSED AIR CHALLENGE

COMPUTER ASSOCIATES

COMPUTER SURGEON, INC,

COMVERSE NETWORK SYSTEMS

CON EDISON

COR MANAGEMENT SERVICES, LTD.

CORNELL UNIVERSITY

COUNCIL OF SENIOR CENTERS & SERVICES OF NYC

COUNCIL ON FOREIGN RELATIONS

COUNTY OF ROCKLAND SEWER DISTRICT NO.1

COUNTY OF SUFFOLK PUBLIC WORKS

COX & COMPANY, INC.

CRC

CREATIVE LIFESTYLES, INC.

CREATIVE SOCIO-MEDICS

CREDIT SUISSE FIRST BOSTON

CRESTRON ELECTRONICS, INC.

CROSSBORDER SOLUTIONS, INC

CULPEPPER CONSULTING GROUP, INC.

CURRENT SOLUTIONS, P.C.

CURTIS INSTRUMENTS

CYTEC INDUSTRIES