PETRA is an environmental and safety compliance management and consulting firm located in the Wausau, Wisconsin area. PETRA’s experienced staff is supported via affiliates throughout the state and nation. Our professional staff specializes in providing "compliance support for industry"  since 1997.

PETRA's mission is to assist you in complying with the myriad of environmental and safety compliance regulations affecting your facility from the federal, state and local levels. PETRA also specializes in developing effective Environmental Management Systems (EMS) in a time and cost efficient manner.

PETRA will work with you to build a special team of professionals based on your compliance and/or Environmental Management System (EMS) needs.