Certified Processes for Consistent Quality

At Steffes, we manufacture all of our products to the highest quality standards. We have a variety of certifications to ensure our processes, procedures and safety measures adhere to stringent quality management systems for the industries we serve. With these certifications in place, you can trust Steffes to deliver repeatable, reliable and durable products.

Steffes Certifications & Registrations:

  • UL Approved Manufacturing Facility
  • DOT Certified Cargo Tank Facility – Manufacturing, Repair and Inspection
    • DOT 407 Certified
    • DOT 412 Certified
    • Engineered Transport Registered to Manufacture, Inspect and Recertify Cargo Tanks
  • ISO 9001:2015
  • OSHA Safety and Health Achievement Recognition Program Certified
  • API Q1-9th Edition
  • ASME Code: ‘U’ Stamp, ‘UM’ Stamp and ‘R’ Stamp
    • National Board of Boiler and Pressure Inspectors – Stamps – Dickinson
    • National Board of Boiler and Pressure Inspectors – Stamps – Grand Forks East