Custom Pipe Fittings

Made In The USA
From Steel & Aluminum

United States Fittings™

Manufacturers of custom pipe fittings from carbon steel, stainless steel & aluminum.
With our large manufacturing capacity, we provide custom pipe fittings to the world's most demanding industries.


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High-Level Services

working together to achieve great results


Design & Fabrication

At first, we will work with you to understand your unique custom pipe fitting requirements. This process includes understanding your functional and technical documentation requirements. For your selected material, we will use advanced fabrication techniques to achieve your objectives. We can quote AIS domestic made & melted steel or aluminum upon request.

Inspection & Testing

In the inspection & testing phase, we will perform the processes you need to verify the custom pipe fittings meet your specifications. Our highly skilled technicians can perform UT testing, die penetrant, mag particle and radiographic inspections based on your requirements.

Material Reports & Certifications

After inspection & testing, we can prepare any needed material reports & certifications to meet your quality assurance needs. We offer full trace-ability on all products we manufacture.

Delivery & Acceptance

The final step is on-time delivery of your custom pipe fitting order to your specified location. Along with the specified testing, materials and certifications, we await your acceptance of the final product that meets your specific needs.

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Our Mission

United States Fittings™ manufactures custom pipe fittings from carbon steel, stainless steel & aluminum. With our large manufacturing capacity, we provide custom pipe fittings to the world's most demanding industries. Made in the USA, our product line includes custom laterals, crosses, true wyes, tees, shaped-nipples, and stub end pipe fittings. Our technically skilled staff can provide custom design and testing including radiographic, mag particle and die penetrant to meet your acceptance requirements.