Industry Certifications Earned by Steel & O’Brien
Steel & O’Brien is committed to advancing our knowledge and technical skills through industry involvement. We are certified by multiple professional organizations.

Steel & O’Brien is committed to advancing our knowledge and technical skills through industry involvement. We are certified by multiple professional organizations.
ISO 9001 is the international standard for a quality management system. Certified companies follow the requirements set forth is this standard, which demonstrates (1) their ability to consistently provide products and services that meet customer and regulatory requirements, and (2) their ability to continuously improve.

The 3-A symbol is used to identify equipment that meets 3-A Sanitary Standards for design and fabrication. Design criteria for equipment and processing systems were developed using a modern consensus process based on ANSI requirements to promote acceptance by the USDA, FDA and state regulatory authorities.


The American Society of Mechanical Engineers (ASME) regulates the design, development and construction of boilers and pressure vessels. Section IX of the ASME code sets forth requirements for the qualification of welders as well as specifications for welding, brazing and fusing procedures.
