Wisconsin State Automotive Business Locations Submit your company | Return to the Map Page | Search for a company S e a r c h   D i r e c t o r y Protech USA Protech is a manufacturer of high quality portable 4 and 5 gas emission analyzers. They also make a very easy to use diesel Opacity meter. 3036 Holland Rd. Green Bay, WI 54313 Contact Name: Brad Erickson Phone: (920) 434-1003 Toll-Free Phone: Fax: (920)-434-7999 Email Address: info@protechus.com Web Address: http://www.protechus.com