Pipe fittings are essential components in various industries, enabling secure connections for fluid and gas transfer in plumbing, oil and gas, agriculture, and industrial applications. As demand for durable, high-quality pipe fittings grows, the USA remains a hub for innovative manufacturers delivering reliable solutions. This article highlights the top 10 pipe fittings manufacturers in the USA for 2025, focusing on their history, headquarters, company profiles, and product offerings. Whether you're sourcing fittings for a large-scale industrial project or a small plumbing job, these companies stand out for their excellence and innovation. Let’s dive into the list, starting with ProCamlock, a leading name in the industry.
Established: 2015
Headquarters: Quzhou , Zhejiang , China
Company Overview: ProCamlock has emerged as a trusted name in the pipe fittings industry, specializing in high-quality camlock fittings and couplings. Since its inception in 2015, the company has focused on delivering precision-engineered products that meet stringent international standards, including ISO 9001:2015 certification. With a manufacturing facility spanning 33,000 square meters and a workforce of over 300 employees, ProCamlock combines advanced technology with rigorous quality control to produce fittings that cater to industries like agriculture, oil and gas, and chemical processing. Their dedication to innovation and customer satisfaction has earned them a strong foothold in the USA market, where they supply through various distributors and partners.
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Established: 1901
Headquarters: Charlotte, North Carolina, USA
Company Overview: Charlotte Pipe and Foundry is one of the oldest and most respected pipe fittings manufacturers in the USA. With over a century of experience, the company has built a reputation for producing high-quality plastic and cast iron pipe fittings for residential, commercial, and industrial applications. Operating seven manufacturing plants across the USA, Charlotte Pipe emphasizes sustainability, with initiatives like waste reduction and recycling integrated into their processes. Their products are widely used in plumbing, sewer, and drainage systems, and they remain committed to manufacturing exclusively in the USA.
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Established: 1924
Headquarters: Blossburg, Pennsylvania, USA
Company Overview: Ward Manufacturing has been a leader in pipe fittings for nearly a century, known for its high-quality malleable iron and cast iron fittings. The company also produces WARDFLEX, a flexible corrugated stainless steel tubing widely recognized in building codes across all 50 states. With a workforce of around 800 employees, Ward Manufacturing invests heavily in technology to deliver cost-effective, durable solutions for plumbing, HVAC, and fire protection systems. Their focus on quality and affordability has made them a trusted name in the industry.
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Established: 1985
Headquarters: Mumbai, India (Note: McNeil Instruments has a significant distribution and sales presence in the USA, catering to American industries.)
Company Overview: McNeil Instruments Inc. is a globally recognized manufacturer and supplier of instrumentation pipe fittings, with a strong presence in the USA. Specializing in precision-engineered products, the company serves industries such as oil and gas, chemical processing, and automotive. McNeil’s fittings are known for their durability and adherence to strict quality standards, ensuring reliable performance in demanding applications. Their extensive product range and commitment to customer satisfaction make them a preferred choice for businesses in the USA.
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Established: 1998
Headquarters: Houston, Texas, USA
Company Overview: Core Pipe specializes in manufacturing and distributing pipe fittings and related products for the industrial sector, with a focus on oil and gas applications. Known for their robust product line, Core Pipe provides fittings that withstand extreme conditions, catering to both domestic and international markets. Their commitment to quality and innovation ensures that their products meet the needs of complex industrial systems, making them a reliable partner for businesses across the USA.
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Established: 1985
Headquarters: Hampshire, Illinois, USA
Company Overview: American Precision Supply is a leading distributor and supplier of industrial pipe fittings, valves, and instrumentation products in the USA. With decades of experience, the company partners with top manufacturers to provide high-quality solutions for industries like petrochemical, power generation, and water treatment. Their extensive inventory and technical expertise allow them to offer tailored solutions, ensuring customer satisfaction across various applications.
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Established: 1933
Headquarters: St. Louis, Missouri, USA
Company Overview: MOPIPE has been a trusted name in pipe fittings manufacturing since 1933, specializing in pipe nipples, fittings, and connectors. With a history of both manufacturing and importing, MOPIPE offers a wide range of custom solutions for plumbing and industrial applications. Their dedication to quality and innovation ensures that their products meet the needs of modern industries, making them a staple in the USA market.
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Established: 1986 (as part of Westlake Corporation)
Headquarters: Houston, Texas, USA
Company Overview: Westlake Pipe, a division of Westlake Corporation, is a leading manufacturer of PVC pipe and fittings for municipal, plumbing, and agricultural applications. Known for their specially formulated PVC compounds with impact modifiers and UV inhibitors, Westlake Pipe products are designed for durability in harsh environments, such as mining and irrigation systems. Their innovation-driven approach ensures they remain at the forefront of the industry.
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Established: 1899
Headquarters: Birmingham, Alabama, USA
Company Overview: U.S. Pipe, a Quikrete company, has been a cornerstone of the pipe fittings industry for over 120 years. Specializing in ductile iron pipe and fittings, the company has installed over 1 billion feet of its signature TYTON push-on joint pipe worldwide. U.S. Pipe serves water and wastewater industries, offering a complete range of products that meet rigorous standards for durability and performance.
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Established: 1994
Headquarters: Chesterfield, Missouri, USA
Company Overview: American Piping Products is a premier supplier of steel pipe and fittings, serving industries like oil and gas, energy, and construction. With a focus on quality and reliability, the company offers a vast inventory of products sourced from trusted manufacturers. Their expertise in supply chain management ensures timely delivery and competitive pricing, making them a go-to choice for industrial projects in the USA.
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The pipe fittings industry in the USA is thriving, with manufacturers like ProCamlock, Charlotte Pipe and Foundry, and U.S. Pipe leading the way in innovation and quality. Each of these top 10 companies brings unique strengths to the table, catering to diverse industries with durable, reliable products. Whether you're in need of camlock fittings, PVC fittings, or ductile iron solutions, these manufacturers offer the expertise and product range to meet your needs. For businesses looking for a trusted partner, ProCamlock stands out with its cutting-edge manufacturing and commitment to excellence. Visit ProCamlock’s website today to explore their extensive range of pipe fittings and elevate your next project.
PROCAMLOCK offers durable, high-performance camlock fittings for easy use across industries like food processing, chemical, and construction.
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