| Midwest Technologies (Springfield, IL)
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| Minnesota Wanner Co (Minneapolis, MN)
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| Omni-Parts Inc (Franklin Park, IL)
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| Peerless Pump Co (Elburn, IL)
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| Pentair Water (North Aurora, IL)
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| Pertzborn Pumps (Dane, WI)
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| Power Service of Montana (Billings, MT)
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| Ppi Durequip Inc (Minneapolis, MN)
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| Price Pump Co (Wheatland, WY)
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| Psi Engineering (Mankato, MN)
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| Pumpworks Inc (Minneapolis, MN)
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| R & E Plumbing & Pump Svc (New Town, ND)
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| Russell Pump & Engineering (Albion, IA)
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| Sargent Pipe Co (Broken Bow, NE)
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| Sheets Well & Pump Svc (Richmond, IL)
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| Signet Scientific (Madison, WI)
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| Systec Llc (Saint Paul, MN)
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| Thomas Products Div (Wabasha, MN)
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| Tramco Pump Co (Chicago, IL)
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| V-Ram Solids (Albert Lea, MN)
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| Wagner Scavenger Pump (Burlington, IA)
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| Wanner Engineering Inc (Minneapolis, MN)
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| Weisel Well Co (Alexandria, MN)
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| Wemhoff Manufacturing Co (Columbus, NE)
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| Western Land Roller Pumps (Hastings, NE)
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