| Accuride - AKW | Gameco, Inc. | Packaging Corporation of America |
| Adams Manufacturing | GDI | Painesville Postmaster |
| Advanced Medical Systems | Geauga Humane Society | Painesville Township Schools |
| Advanced Technology Corporation | General Electric | Parker Hannifin |
| Ajax Magnethermic Corp | Giant Eagle | Park Ohio |
| Alamac American Knits LLC | Gorsuch LTD | Parts Associates |
| Alcan Packaging | Gould Electronics | Pendragon Ind. |
| Alcan Rolled Products | Green Circle Growers | PET Processors, LLC |
| All Animal Clinic | Greer Steel | Phoenix Mecano |
| Allegheny General Hospital | Grumman Systems | Piedmont |
| Alliance Plastics | Hanover Warehouses | Piper Aircraft, Inc |
| Alside Window Company | Hanwha Aerospace USA | Pitney Bowes Corp |
| Alton Irrigation | Health Claims | Plainview Growers |
| Alumax Home Products | Heartland Fabrication | PPG |
| Alumax Industrial | HPL Industries, Inc. | Premier Manufacturing Corporation |
| American Metals Corp | Inergy Automotive Systems | Premix, Inc |
| American Outfitters | Illinois Blueprint | Presrite Corporation |
| American Standard | Invacare | Primary Health Systems |
| American Steel Foundries | IQS | Procter and Gamble Company |
| AMF Bowling | Iten Industries | Publishers Printing Co. |
| Anastasia Beverly Hills | J&W Inventory | Quality Cable |
| Anchor Hocking Glass | James Industrial | Quality Park |
| Anchor Hocking Specialty Glass | Jenne Distributors | Ranpak Corporation |
| Archway Cookies, Inc. | John Ascuaga's Nugget Casino | Raytheon Corp |
| Arnow Cousulting | Johnson Controls | Redmond Minerals, Inc. |
| Ashland Hardware | Kaiser Aluminum | Reliance Electric |
| Ashta Chemicals, Inc | Kennedy Valve | Ricerca |
| Atlantic Coast Cotton | Kent Sporting Goods | Rick May Inc |
| Atlantic Detroit Diesel Allison | KGN Manufacturing | Royal Containers |
| Automated Solutions | Kichler Lighting | RR Donnelley |
| Aviation Product Support | Kimberly Clark Corporation | RSVP Business Systems |
| AVO International, Inc. | Kirkwood Carbon Company | Sacremento Blood Center |
| Babin Building Centers | Kraft Foods | Sajar Plastics |
| Belcan | Kraftmaid Cabinetry, Inc | Schaffer Partners |
| Bescast, Inc. | L.J.Smith | Scott Process Systems, Inc |
| Blue Ridge Industries | Lake County Utilities | Sequenom, Inc |
| Bonney Forge Corp | Lake Erie Screw Company | Service Storage |
| Booz Allen Hamilton | Lanier Healthcare | Shawnee Library |
| Bossert Industrial Supply | Lake City Plating | Shell Lubricants |
| BP Oil Company | Lake Hospital Systems | SI Fulfillment |
| Broadcast Electronics | Lansing Board of Water & Light | Sid Richardson |
| Bureau of Mines | Lassus Brothers | Smith and Wesson |
| Bureau of Reclamation | Life Cycle Services | Smurfit-Stone |
| Calvert Wire and Cable Company | Litco International | Southeast Alabama Medical |
| Celestica | L'Oreal USA Products, Inc. | Specialty Lubricants |
| Cerro Metal Products | Los Alamos National Laboratory | Standard Motor Products, Inc |
| City of Oberlin | LTV Steel | Standard Steel |
| Clark Rubber and Plastics | Luxor | Star Metal Products |
| Cleveland Heights School District | Lydall | Step2 Company |
| Cleveland Public Library | Mag-Nif Corporation | Swepco Tube |
| Clow Water Systems | Maine Tire and Rubber | Telefast Industries |
| Commonwealth Aluminum | Major Waste Disposal | Terno & Associates |
| Community General Hospital | Marion County Sheriff | The Plastek Group |
| Compass Packaging | Marmon/Keystone Corporation | Thomson Consumer Electronics |
| Concord Fire Department | Matrix Essentials, Inc. | Thyssen Krupp |
| Container Products, Inc. | Mayfran International | Titusville Hospital |
| Controls Unlimited, Inc. | McBroom Industrial Services | Tod Thin Brushes, Inc |
| Cummins Engine Company | McInnes Steel | Toll Integrated Systems |
| Cutler-Hammer | McLane Company | Tonka Footware Co,. Inc |
| Cuyahoga Metro Housing Authority | Mecco Marking | Treat America Food Services |
| Cyberex | Medrad, Inc. | Trimas Fastners |
| Damacus Bishop Tube Company | Menasha Corporation | Tri-State Industrial Contractor |
| Dana Corporation | Metatec Corporation | Truck Service, Inc |
| Danaher Power Solutions | Microvisions | TRW |
| Darice Craft Products | Mid-West Materials | Tyco/Mallinckrodt Baker |
| Demillta Sand and Gravel, Inc. | Mold Technologies | Ultra Forge |
| Denman Tire | Molded Fiberglass | Ungers Bakery |
| Dereco | Morgan Food | Unifrutti of America |
| Dillen Products, Inc. | Mount Carmel Health Systems | United Fixtures |
| Divers Direct | Mt Sinai Hospital Systems | University of Pittsburgh |
| DRB Systems | Mullican Flooring | University of New Mexico |
| Dupage Library System | Muskingum Technical College | UPMC Mercy Hospital |
| East Manufacturing Corporation | N & W Metal Finishing | USG Interiors |
| Eaton Corporation | NASA | US Cutter |
| Edgerton Corporation | National Institute Of Health | U.S. Air Force |
| EIS Brake Parts | National Science Center | U.S. Army |
| Electric Device Corporation | Neff-Perkins Company | U.S. Navy |
| Elkem Metals Company | New Federal Cold Storage | Valco Logistics |
| Ellwood Forge | Neway Stamping | Valmont Industries |
| Ellwood Quality Steel | Nippon Paper | Value City |
| Emrose Data | Noble Beasts Graphics | Van Dyne Crotty Inc |
| Ensinger, Inc. | Norandal USA, Inc | Van Vugt Greenhouse |
| Entre Computer | Nordson | Vita-Mix Corporation |
| Entrotech | Northcoast Medi-Tek, Inc. | Vought Aircraft Industries |
| Excello Specialty Company | Northern Stamping | Wainwright Amusements |
| Express Seed Company | North General Hospital | Walterscheid |
| Factory Motor Parts | Northstar Container Corporation | Warehouse86 |
| Fairbanks Gold Mining, Inc | Oakridge National Laboratory | Wavestream |
| Flowserve | Ohio Caliper, Inc | Westinghouse |
| Fluid Regulators | Okin America | Whole Earth Provisions |
| Franchino Mold and Engineering | Olympic Steel | Willoway Nurseries |
| Freightliner LLC | Original Nut House | Winnebago Industries |
| Fremont Plastics | Oswego Hospital | Wyeth Consumer Healthcare |
| Freshmark, Inc. | Oxytech | WW Reed |
| Frito Lay, Inc. | P & G | Wynn Las Vegas |
| Fur Harversters Auction, Inc | Pacific Tube | Xponet |
