HOME ABOUT US MANUFACTURING OIL & GAS ELECTRIC THERMAL STORAGE NEWS CAREERS CONTACT US (888) 783-3337 QUALITY AND CERTIFICATIONS Home About Us Quality And Certifications 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 and ETL 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 ISO Certification of Registration – Dickinson ISO Certification of Registration – Grand Forks 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 ABOUT US QUALITY AND CERTIFICATIONS LEADERSHIP CONTRACT MANUFACTURING TEAM OIL & GAS TEAM ETS SALES & SUPPORT TEAM HOME ABOUT STEFFES MANUFACTURING OIL & GAS ETS NEWS CAREERS CONTACT US Copyright 2021 | Privacy Statement | End User License Agreement | Terms of Service | Webmail Login