Ace Family Hardware ACG, Inc AK-Steel Co.
Advanced Industrial American National Can American Airlines
Aerotech, Inc. Amoco Performance Prod. Air & Hydraulic Components
Air Hydro Power Air Products & Chemicals Anheuser-Busch
Airlift Doors AKZO Chemicals Amer. Allflex USA, Inc.
Allied Signal Anthony Thomas Candy Asphalt Materials, Inc.
Alvey, Inc. AT & T Aviation Specialists
Anderson & Vreeland American Flange Co. Anglo Compressors
Ansul Fire Protection Appalachian Power Co. Apcom, Inc.
Applied Materials Appleton Electric Co. Ascoa Fire Systems
Ashland Oil Co. Ashland Chemical Co. BP Chemical
Automated Packaging Sys. Bachrach Corp. B & D Cylinders
Ball Metal Container Beckman Instruments Berkley Engineering Co.
Black & Decker Tool Bi-Con Services Blue Ash Tool & Die
BMI, Inc. Borden Ice Cream Bradford Electric
Calvin Access Controls Carilion Materials Cassco Seals
Calary Chemical Cinn. Gas & Electric Co. Chicago Lock Co.
Classic Carmel Columbia Gas Co. Cooper Tire & Rubber Co.
Cutler-Hammer Custom Cylinders Clorox Co.
Daktronics Delta Airlines Danaher Controls
Deltrol Fluid Prod. Defense Accounting Office ( US Military)
DFAS (USA Military Depot) Delto Engineering Diebold (ATM Machines)
Dresser Industries Dover Air Force Base Durlin Valves
Dow Chemical Dyna-Par Electronic Device Corp.
Eaton Corp. Fasco Industries Fairchild Semi-Conductor
Federal Mogul Co. Fluid Power, Inc. Figgi Power Systems
Flo-Tork (actuators) FSI International The Genie Co.
General Motors Giam Instruments Goodyear Tire & Rubber Co.
Gadston Tool Mfg. Co. Harrington Signal General Electric
Giant Food Co. Hathaway Shirt Co. Hella Electronics Corp.
Hoechst Marion Roussel HPS, Inc. Helicopter Support Inc.
Hub Plastics Hunter Douglas Co. Icardo Avionics Co.
Illinois Power Co. Illinois Bearing Co. Indigo Mfg. Co.
Intel Corp. Isaacs Fluid Power Interactive Video Systems. Co
ITT Automotive ITT Engineered Valves Johnson Controls
KD Scientific Kensington Labs Keystone Powdered Metal Co.
Klein Tools Kaiser Aluminum Co. Eastman Kodak Co.
Kelly-Springfield Tire Co. Lakeshore Electronics Lockheed Aeronautical
Libby Owens Ford Co. Mars Electronics Mead Paper Co.
Merck Pharmaceutical Martin Marietta Corp. Midwest Aero Support, Inc.
Mettler Toledo, Inc. Monson Engineering Modern Forge Tennessee, Inc.
Motion Industries Monarch1 Electronic Naval Surface Warfare Center
Newton Wire & Cable Co. Norcon Systems, Inc Nordson, Inc.
Norfolk Naval Shipyard Oasis Corp. Owens Illinois
Owens Corning Owens Corning Fiberglass Owens Brockway Glass Co.
Paris Mfg. PPG Industries Pennsylvania Power Co.
Parker Hannifin Poly Flow, Inc. Petrolis Brasiliero, S. A.
Photo Electronics Corp. Polaroid Radar Electronic
Rockwell International Ronco Industrial Remmington Arms
Ross Labs Sanofi Scientific Sherman-Williams co.
Sauer-Sundstrand Sencor Corp. Sentinal Connector Systems, Inc.
Shafer Valve Co. St. James Sugar Plant Spectra Prercision Corp.
Stanley Air Tools Steag Microtech Stewart Connector Systems, Inc.
Stillwater Technologies T-Drill Co. Tech International
The Timken Co. Teledyne Texas Electronic Resource Co.
Triangle Production US Dynamics Corp. VF Controls
Versa-Matic Pump Co. Vitesse Semiconductor Ward Engineering
Warner-Lambers Corp. Webster Valve Co. Welding Co. of America
Whirlpool Corp. Wellard Chemical Corp. Western Ash Co.
Whirley Industries White Rock, Inc. Xomox Valve Co.
Younger Oil Co.