Contact Us


We serve the southeast Wisconsin, south central Wisconsin and northern Illinois region including Lake Geneva, Madison, Janesville, Monroe, Racine and Kenosha, WI; and Rockford, Belvidere, Woodstock, Cary and McHenry, IL. 

Corporate Headquarters

501 Commercial Court
Lake Geneva, WI 53147
(262) 248-8911
Fax: (262) 248-8927
Email: info@martingroup.com

Janesville, Wisconsin office

615 N. Parker Drive
Janesville, WI 53546
(608) 362-3770
Fax: (608) 498-4734
Email: info@martingroup.com

Rockford, Illinois office

(815) 227-5704
Fax: (815) 227-5709
Email: info@martingroup.com 

Visit our partner, OfficePro, by clicking their logo below.

Office Pro Office and Janitorial Supplies