Erdman Holdings, Inc. is a family-owned firm that coordinates the operations of several companies. These companies include Techline, Inc., Erdman Development Group LLC, Erdman Real Estate Holdings LLC, and Middleton Hills, Inc.
Phone: 608-662-2205 Fax: 608-836 9050
Mailing address: P.O. Box 5180, Madison, WI 53705.
Corporate offices: 6720 Frank Lloyd Wright Ave, Suite 200, Middleton, WI 53562