About Us Westendorf Associates, Inc. opened its doors in 1998 with a single objective: to become an exceptional manufacturers' representative firm. Through hard work and with sharp focus we are achieving our goals, and look to the future with optimism. > What is our vision? > Meet the team Main Office Mailing Address: PO Box 22 Elm Grove, WI  53122-0022 Main Office Shipping Location: (Get a map.) 525 East Vine Street Miwaukee, WI  53212 Madison Area Office: 583 Riverview Drive Marshall, Wisconsin 53559