| Adams County Ambulance and EMS | Kohl Wholesale | |
| Adams County Emergency Services & Disaster Agency | Manchester Tank & Equipment | |
| Adams County Farm Bureau | Manpower | |
| Adams County Health Department | Marlboro Wire, LTD. | |
| ADM Alliance Nutrition, Inc. | Mercantile Bank, Inc. | |
| ADM Oilseed Processing | Methode Electronics, Inc. | |
| ADM Quincy | Midwest Patterns Inc. | |
| AGCO Recycling LLC. | Mississippi Valley Council – Boy Scouts of America | |
| Allied Waste Systems | Northeast Missouri Electric Power Cooperative | |
| American Red Cross | ||
| Awerkamp Machine Co. | Prairie Analytical Systems, Inc. | |
| BASF Corporation | Premium Waters, Inc. | |
| Bleigh Ready Mix | Prince Agri Products, Inc. | |
| Blessing Hospital | Prince Minerals | |
| Brickstreet Data Systems | Quincy Compressor | |
| Brinkman Plumbing Contractors, Inc. | Quincy Fire Department | |
| Brown Drug Co. | Quincy Industrial Painting Company | |
| Bybee Insurance, Inc. | Quincy Medical Group | |
| Cerro Flow Products, Inc. | Quincy Park District | |
| Chaddock | Quincy Police Department | |
| City of Quincy | Quincy Public School District | |
| City of Quincy – Central Services | Quincy Recycle Company | |
| Denman Services Inc. | Quincy Sports & Occupational Medicine | |
| Gardner Denver, Inc. | Richards Electric Motor Company | |
| Geo. Keller and Sons Company | ServiceMaster Cleaning & Restoration | |
| Timewell Drainage Products | ||
| Goerlich Roofing, Inc. | Titan Wheel Corp. of Illinois | |
| Hannibal Board of Public Works | Transitions of Western Illinois | |
| Harris Corp. | Tri-Township Fire Department | |
| Heimer Construction Co. Inc. | US Army Corps of Engineers Mark Twain Lake | |
| Hollister Whitney Elevator Corp. | ||
| IMEC | Walter Louis Fluid Technologies | |
| John Wood Community College | ||
| Kiwanis of Quincy | WIS-PAK of Quincy | |
| Knapheide Manufacturing Company | Yetter Manufacturing Company |