Tankmax, Inc. deploys multiple mobile units throughout the Pacific Northwest to perform DOT cargo tank testing, inspections, and light repairs. Our qualified technicians are certified to test MC306, MC406, MC307, MC407, MC312, MC412, MC330, and MC331 cargo tanks, as well as perform AVI DOT inspections on all vehicles. In addition to tank testing, our mobile meter proving services help your company stay compliant by ensuring meters meet state tolerance requirements. Each of our five mobile units is fully equipped with the tools and parts needed to complete most light repairs on-site, keeping your fleet in passing condition and minimizing downtime. Call today to discuss your testing, inspection, or proving needs.













