Top 10 Flange Fittings Manufacturers in the United States: Buyer’s Guide
Table of contents
- Preface
- Texas Flange
- Coastal Flange, Inc.
- Westbrook Manufacturing
- Metal Industries, Inc.
- USA Industries, Inc.
- Nucor Corporation
- Steel Dynamics, Inc. (SDI)
- United States Steel Corporation (U.S. Steel)
- ArcelorMittal USA
- AK Steel
- Summarize
Preface
Flanges are widely used in the industrial field. They are used to connect pipes, equipment and other components to ensure the transmission of fluids and the normal operation of the system.
In the global market, in addition to China, the United States also has a large flange market. However, due to the trade war, American customers are restricted from purchasing Chinese flanges.
Therefore, we have listed ten flange manufacturing companies in the United States, hoping to provide some help and reference for local American customers.
The following are the top ten flange manufacturers in the United States:

Texas Flange
Texas Flange has a large market and reputation in the United States, specializing in providing high-quality flanges and pipe fittings for industries such as oil and gas, petrochemical, power and construction.
Texas Flange not only provides carbon steel pipe flanges and flange accessories, but also supplies stainless steel flanges for various projects.
Plate flanges can be ordered for water plant and petrochemical applications. Bar flanges and forged specification flanges can also be manufactured according to the dimensions in the product catalog.
The pressure ratings provided include 75, 125, 150, 175, 250, 300, 350, 400, 600, 900, 1500, 2500, 5K, 10K, 15K, 20K. High production – low temperature.
Company Information
Category | Details |
Founded | 1986 |
Company Address | 12921 W Little York Rd, Houston, Texas 77041, USA |
Main Products | Flanges, pipe fittings, custom flanges, weld neck flanges, slip-on flanges, blind flanges, plate flanges |
Application Areas | Oil and gas, petrochemical, power generation, construction |

Coastal Flange, Inc.
Coastal Flange, Inc. manufactures flanges from 1/2″ to 200″ OD and is one of the most established flange manufacturers in the U.S. Located in Texas, Coastal Flange ships thousands of flanges each year to meet all of our customers’ pipe flange needs.
Coastal Flange offers steel pipe flanges to all specifications including AWWA, ASME, CL 125 light duty, pipe elbows, large industry standards, metric flanges, and more.
Coastal Flange manufactures flanges in all material grades including stainless steel, carbon, and other alloys.
Coastal Flange is able to provide pipe flanges in any design to meet our customers’ custom needs. Customizing pipe flanges to the most exacting designs is not a problem.
Company Information
Category | Details |
Founded | 1986 |
Company Address | 4914 Cranswick Road, Houston, Texas 77041, USA |
Main Products | Weld neck flanges, slip-on flanges, blind flanges, threaded flanges, socket weld flanges, lap joint flanges, custom flanges |
Application Areas | Oil & gas, petrochemical, power generation, water treatment, construction, marine |

Westbrook Manufacturing
Westbrook Manufacturing specializes in the production of a full line of products including carbon, stainless steel and alloy pipe fittings, reducers, accessories and related products. Westbrook is an industry leader in providing fast turnaround and custom pipe fittings and forged products.
With decades of experience, Westbrook serves industries such as oil and gas, petrochemical, power generation, water treatment and aerospace.
Westbrook always adheres to its core beliefs: providing excellent customer service based on teamwork, a common sense approach to business relationships based on loyalty, honesty, mutual trust and a commitment to providing quality products.
Company Information
Category | Details |
Founded | 1965 |
Company Address | 6767 West Tidwell Road, Houston, Texas 77092, USA |
Main Products | Weld neck flanges, slip-on flanges, blind flanges, threaded flanges, socket weld flanges, lap joint flanges, custom pipe fittings |
Application Areas | Oil & gas, petrochemical, power generation, water treatment, aerospace, marine |

Metal Industries, Inc.
Metal Industries, Inc. specializes in grilles, vents, diffusers, and terminal units to meet the needs of a variety of commercial and industrial HVAC applications.
The complete line of air terminal units ranges from basic single-duct units to the unrivaled FCQ series of ultra-quiet fan-driven terminal units.
Although not a steel manufacturing company, Metal Industries, Inc. has a high reputation and market recognition in air distribution and air terminal products.
Company Information
Category | Details |
Founded | Information not publicly available |
Company Address | 400 W Walker Ave, Bushnell, Florida 33513, USA |
Main Products | Air distribution products, air terminal units |
Application Areas | Commercial and industrial HVAC systems |

USA Industries, Inc.
USA Industries, Inc. manufactures pipe isolation and testing products, orifice plates, heat exchanger tools, pipe plugs, and precision parts.
Serving the refining, petrochemical, chemical, industrial, OEM, engineering, procurement, and construction industries.
USA Industries, Inc. offers a comprehensive product line designed to meet the specific needs of its customers.
USA Industries, Inc.’s in-house engineering team ensures that all products meet industry standards and can be customized to meet unique requirements.
USA Industries, Inc.’s product portfolio features industry-leading products, including the patented GripSafe® ST Series Isolation and Test Pipe Plugs, and the innovative EZ Lock Blind Storage Rack®.
USA Industries, Inc.’s customer base ranges from Fortune 100 companies to small businesses seeking top-notch products and exceptional support.
Company Information
Category | Details |
Founded | 1982 |
Company Address | 302 State Street, South Houston, Texas 77587, USA |
Main Products | Piping isolation products, orifice plates, heat exchanger tools, tube plugs, precision parts |
Application Areas | Refining, petrochemical, chemical, industrial, OEM, engineering, procurement, and construction sectors |

Nucor Corporation
Nucor is the most diversified and sustainable steel and steel products company in North America. Major production includes structural steel, metal plate, rebar and steel pipe.
Nucor Corporation operates with a focus on innovation, sustainability and customer service.
Nucor specializes in the production of steel pipe and tubing for various industries such as construction, automotive, energy and infrastructure.
Company Information
Category | Details |
Founded | 1940 |
Company Address | 1915 Rexford Road, Charlotte, North Carolina 28211, USA |
Main Products | Steel pipes, structural steel, sheet metal, rebar, steel tubing |
Application Areas | Construction, automotive, energy, infrastructure, manufacturing |

Steel Dynamics, Inc. (SDI)
Steel Dynamics, Inc. (SDI) is one of the leading manufacturers of steel tube, structural steel and flat steel products in the United States, with a focus on efficient, sustainable and high-quality steel production.
Operating multiple production facilities throughout the United States, SDI’s business primarily produces steel products, including hot-rolled, cold-rolled and coated steel plate, structural steel beams and shapes, rails, engineered specialty bars, cold-finished steel, commercial bar products and specialty steel shapes.
SDI’s metal recycling business collects and processes ferrous and nonferrous scrap from manufacturing and end-of-life items.
SDI sells large quantities of steel to our own steel manufacturing operations, which in turn produce and sell structural steel joists and deck building systems to consumers.
SDI is focused on continuing to be the supplier of choice for our customers by providing quality products and unique supply chain solutions that exceed customer expectations.
Company Information
Category | Details |
Founded | 1993 |
Company Address | 7575 West Jefferson Blvd, Fort Wayne, Indiana 46804, USA |
Main Products | Steel pipes, tubes, structural steel, flat-rolled steel |
Application Areas | Construction, energy, transportation, manufacturing |

United States Steel Corporation (U.S. Steel)
United States Steel Corporation (U.S. Steel) is one of the largest steel producers in the United States. It provides high-quality steel pipe, tube and flat-rolled steel products.
U.S. Steel is known for its innovation, commitment to sustainability and high production standards. The company produces seamless and welded steel pipe, structural steel and flat-rolled steel for industries such as construction, energy, transportation and automotive.
United States Steel Corporation (U.S. Steel) is becoming a more balanced and sustainable steel manufacturer, bringing profitable steel solutions to people and the planet.
Company Information
Category | Details |
Founded | 1901 |
Company Address | 600 Grant Street, Pittsburgh, Pennsylvania 15219, USA |
Main Products | Seamless and welded steel pipes, tubes, flat-rolled steel |
Application Areas | Construction, energy, transportation, automotive |

ArcelorMittal USA
ArcelorMittal USA is one of the world’s largest steel manufacturing companies, producing high-quality steel pipe, tube and flat-rolled steel products, playing a key role in supplying steel to the construction, automotive, energy and infrastructure industries.
Following its acquisition by Cleveland-Cliffs in 2020, ArcelorMittal USA’s operations are now integrated into Cleveland-Cliffs, continuing its tradition of high-quality steel production.
ArcelorMittal USA’s steel is made using innovative processes that use less energy, significantly reduce carbon emissions and lower costs. Steel is made for electric vehicles and renewable energy infrastructure to support the transformation of society in this century.
With steel at its core and creative people and entrepreneurial culture at its core, ArcelorMittal USA supports the world in achieving this change.
Company Information
Category | Details |
Founded | 2006 (as ArcelorMittal, U.S. operations date back much earlier) |
Company Address | Chicago, Illinois, USA |
Main Products | Seamless and welded steel pipes, tubes, flat-rolled steel |
Application Areas | Construction, automotive, energy, infrastructure |

AK Steel
Since its founding, AK Steel has been selling specialty steel mill products such as ARMCO pure iron, aluminum-coated carbon and stainless steels, and custom chrome alloy steels for exhaust systems in the automotive industry.
AK Steel is a well-known American steel producer that supplies high-quality steel to the automotive, construction, infrastructure, and electrical industries.
The company is known for its precision steel solutions, including seamless and welded steel pipes, flat steel, and electrical steel for transformers and motors.
In 2020, AK Steel was acquired by Cleveland-Cliffs Inc. and became part of a larger steel production network.
Company Information
Category | Details |
Founded | 1899 |
Company Address | West Chester, Ohio, USA |
Main Products | Seamless and welded steel pipes, flat-rolled steel, stainless steel, electrical steel |
Application Areas | Automotive, construction, infrastructure, electrical industries |

Summarize
These manufacturers have outstanding performance in product quality, technological innovation, and service level, and have made important contributions to the industrial development of the United States and the world.
If you need to buy flange pipe fittings, you can consider the products of these well-known manufacturers.
I believe these American steel manufacturers can help you. The article is provided by Beijing Metleader Pipeline.