| Lockton Companies | 
                    Insurance broker (Hdq.) | 
                    Financial Services, Headquarters, Insurance | 
                    
                
                
                    | Mariner Wealth Advisors | 
                    Financial services (Hdq.) | 
                    Financial Services, Headquarters | 
                    
                
                
                    | Mark One Electric Company, Inc. | 
                    Full-service electrical contractor (Hdq.) | 
                    Architectural Engineering, Headquarters | 
                    
                
                
                    | Marlen International | 
                    Food processing systems mfg. (Hdq.) | 
                    Headquarters, Manufacturing | 
                    
                
                
                    | Master's Transportation | 
                    Van, bus and shuttle mfg. (Hdq.) | 
                    Headquarters, Manufacturing | 
                    
                
                
                    | Mazuma Credit Union | 
                    Banking and financial services (Hdq.) | 
                    Contact Centers, Financial Services, Headquarters | 
                    
                
                
                    | McCormick Distilling Company | 
                    Distilled liquors bottling and distribution (Hdq.) | 
                    Distribution, Headquarters, Manufacturing | 
                    
                
                
                    | McCownGordon Construction | 
                    Construction management firm specializing in schools, healthcare facilities and corporate buildings (Hdq.) | 
                    Architectural Engineering, Headquarters | 
                    
                
                
                    | McCray Lumber and Millwork | 
                    Lumber (Hdq.) | 
                    Headquarters | 
                    
                
                
                    | MGP Ingredients, Inc. | 
                    Food, additives and alcohol mfg. (Hdq.) | 
                    Headquarters, Manufacturing | 
                    
                
                
                    | Midland Radio Corporation | 
                    Communication equipment (Hdq.) | 
                    Headquarters | 
                    
                
                
                    | Midmark Corporation | 
                    Veterinary equipment mfg. (Hdq.) | 
                    Bioscience, Headquarters, Manufacturing | 
                    
                
                
                    | MidWest Quality Gloves, Inc. | 
                    Glove mfg. (Hdq.) | 
                    Headquarters, Manufacturing | 
                    
                
                
                    | Milbank Manufacturing Co. | 
                    Electrical meter equipment mfg. (Hdq.) | 
                    Headquarters, Manufacturing, Information Technology | 
                    
                
                
                    | MMGY Global | 
                    Advertising (Hdq.) | 
                    Headquarters | 
                    
                
                
                    | MRIGlobal | 
                    R&D services for several scientific disciplines (Hdq.) | 
                    Bioscience, Headquarters, Information Technology | 
                    
                
                
                    | Multistudio | 
                    Design and planning firm (Hdq.) | 
                    Architectural Engineering, Headquarters | 
                    
                
                
                    | Multivac, Inc. | 
                    Food packaging machinery mfg. (N.A. Hdq.) | 
                    Contact Centers, Headquarters, Manufacturing | 
                    
                
                
                    | MW Company LLC | 
                    Wheel mfg. (Hdq.) | 
                    Headquarters, Manufacturing | 
                    
                
                
                    | mySidewalk | 
                    Online technology firm (Hdq.) | 
                    Headquarters, Information Technology |