About Gateway Steel Pipe & Supply, Inc.

At Gateway Steel Pipe & Supply, we combine over 60 years of industry knowledge with the reliability of a family-owned and operated business. We are committed to delivering high-quality steel pipe products with fast, dependable service that customers across the country can trust.

With a nationwide supply network, we provide competitive delivered pricing coast to coast and ensure on-time deliveries—whether local, statewide, or nationwide. Our reputation is built on experience, honest business practices, and a commitment to making every order simple, efficient, and dependable.

When you work with Gateway Steel Pipe & Supply, you’re partnering with a company that values long-term relationships, responsive service, and materials you can count on.

Partnerships:

As a trusted partner and wholesale supplier of Service Metal Inc.‘s steel fittings and valves, we’re proud to align with a company built on more than 70 years of commitment to quality, reliability, and service. Service Metal’s “Trust in Every Connection” philosophy mirrors our own approach—where strong relationships, dependable products, and consistent performance are at the core of everything we do. As a premier PVF master distributor serving the United States, Mexico, and Canada, their extensive inventory of carbon steel pipe fittings, flanges, and valves—strategically stocked in key locations including St. Louis—ensures we can deliver efficient, responsive solutions to our customers.

Through this partnership, we’re able to provide streamlined access to industry-leading products backed by a culture of excellence, integrity, and efficiency. Service Metal’s forward-thinking infrastructure, collaborative corporate environment, and dedication to continuous improvement further strengthen our ability to serve clients with speed and confidence. Together, we’re not just supplying materials—we’re reinforcing a network of trust, performance, and long-term reliability in every connection.