Rock Oil Refining, Inc. is properly licensed to conduct used oil recycling activities within the States of Wisconsin, Minnesota, and Michigan.
WDNR Recyclables Trans Service #12455
WDNR Haz. Waste Trans. Service #10970
USEPA ID # WIR-000004507
Registered Mich. DNR Liquid Ind. Waste Hauler
Copies of Licenses are available upon request.