Contact Us

U.S. OilChek®
422 S. Washington Street
Kimberly, WI 54136
Phone (800) 490-4903 
Fax (920) 730-7998​
U.S. Venture, Inc. 
425 Better Way
Appleton, WI 54915
Phone: (920) 739-6101
Fax: (920) 788-0531
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