| Linde Hydraulics Corp (Minneapolis, MN) | 
						
							| Lmi-Liquid Metronics Inc (Madison, WI) | 
						
							| Lotus Engineering Inc (Ann Arbor, MI) | 
						
							| Madden Manufacturing Inc (Elkhart, IN) | 
						
							| Mandus Group Ltd (Davenport, IA) | 
						
							| Mc Carthy Well Co (Shakopee, MN) | 
						
							| Mervin W Cornell & Sons Well (Perry, MI) | 
						
							| Met-Pro Corp Dean Pump Div (Indianapolis, IN) | 
						
							| Michigan Sure Pump (Three Oaks, MI) | 
						
							| Midwest Pump & Meter Co Inc (Saint Louis, MO) | 
						
							| Minnesota Wanner Co (Minneapolis, MN) | 
						
							| Neumayer Equipment Co (Jefferson City, MO) | 
						
							| Ohio Transmission & Pump Co (Terre Haute, IN) | 
						
							| Oil-Air Products Inc (Hamel, MN) | 
						
							| Pertzborn Pumps (Dane, WI) | 
						
							| Pneumatic Motor Inc (Minneapolis, MN) | 
						
							| Portaco Inc (Moorhead, MN) | 
						
							| Ppi Durequip Inc (Minneapolis, MN) | 
						
							| Psi Engineering (Mankato, MN) | 
						
							| Pump Engineering Inc (Monroe, MI) | 
						
							| Pump Shop (Saint Louis, MO) | 
						
							| Pumpworks Inc (Minneapolis, MN) | 
						
							| Qed Environmental Systems (Ann Arbor, MI) | 
						
							| R L Deppmann Co (Southfield, MI) | 
						
							| R W Mercer Co (Grand Rapids, MI) |