Professional Affiliations

• American Society of Mechanical Engineers
• American Welding Society
• National Board of Boiler & Pressure Vessel Inspectors
• Mechanical Contractors Association of America
• National Certified Pipe Welding Bureau
• National Electrical Contractors Association
• National Association of Corrosion Engineers
• Tri-State Ironworkers Employers Association
• American Petroleum Institute
• American Concrete Institute
• Tri-State Industrial Safety Council
• National Association of Construction Boilermaker Employers
• Indiana Mason Contractors Association
• Associated General Contractors of Indiana
• The Association of Union Contractors
• American Society of Nondestructive Testing
• The Coalition for Construction Safety, Inc. – Indianapolis, IN

In addition to the above professional affiliations, Sterling Industrial, LLC. is an authorized installer of the following materials:

• Premier Refractory Products
• Harbison Walker Refractory Products
• Ceilcote Products
• Haynes International Alloy Metal Products