Culligan of Inver Grove Heights 1801 50th St E, Inver Grove Heights, MN55077 Culligan of Inver Grove Heights serves clients in the Metro South area. The company provides water conditioning systems…More and services for homes and businesses. Services include water conditioning system installation, system maintenance and delivery services for water softener salts. Towns served include Inver Grove Heights, Apple Valley, South Saint Paul, West Saint Paul, Saint Paul Park, Woodbury, Mendota, Mendota Heights, Eagan, Burnsville, Rosemont and Newport. Free pre-sales advising is available. Culligan of Inver Grove Heights is fully accredited by the Better Business Bureau.