Resident Company Profiles Go back to directory. Add to Address Book. GDS Associates, Inc. GDS Associates, Inc. Contact: Rich Hackner Work 440 Science Drive, Suite 400 Madison WI 53711 work Work Phone: 608.273.0182work Work Email: email@example.comINTERNET Website: http://www.gdsassociates.com Biographical Info GDS is a multi-service consulting and engineering firm. Our broad range of Categories: Uncategorized Updated 4 years ago.