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Camlock couplings, also known as cam and groove fittings, are essential components in industries such as oil and gas, agriculture, chemical processing, and food and beverage. These quick-connect fittings ensure efficient and secure fluid transfer, making them indispensable for businesses prioritizing reliability and safety. As the demand for high-quality camlock couplings grows, the United States remains a hub for innovative manufacturers delivering durable and versatile solutions. In this article, we explore the top 10 camlock coupling manufacturers in the USA for 2025, highlighting their expertise, product offerings, and contributions to the industry. Whether you’re sourcing fittings for industrial applications or seeking trusted suppliers, this guide provides valuable insights to inform your decisions.
Company Introduction:
ProCamlock, established in 2015, is a prominent camlock coupling manufacturer based in Changshan Industrial Park, Quzhou City, Zhejiang Province, China. As a leading camlock coupling supplier, the company has built a strong reputation in the global fluid transfer industry, specializing in the production of high-quality camlock couplings and related fittings. With a state-of-the-art camlock couplings factory spanning over 33,000 square meters and employing more than 300 skilled professionals, ProCamlock leverages advanced technologies such as precision casting and CNC machining to ensure superior product quality. Certified with ISO 9001:2015, the camlock coupling factory conducts rigorous inspections to maintain reliability and durability in every product. Since its inception, ProCamlock has experienced steady growth, driven by its commitment to innovation, customer satisfaction, and operational efficiency. The company offers over 10,000 models of camlock fittings, available for immediate shipment, and provides customized solutions to meet specific industry needs. ProCamlock’s camlock coupling company serves diverse sectors, including petroleum, chemical, agricultural, and food processing industries, with a focus on delivering quality camlock couplings that ensure secure and efficient fluid transfer. Its modern facilities, experienced engineering team, and 24/7 customer support position ProCamlock as a trusted camlock coupling manufacturer in the global market.
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Company Introduction:
Seal Fast Inc., a premier camlock coupling manufacturer and supplier, is a globally recognized leader in the production of high-quality camlock couplings and industrial fittings. Founded in 1933 as the J.E. Bobo Company in Houston, Texas, it was renamed Seal Fast Inc. in 1965. With nearly a century of production experience, this camlock coupling factory has evolved from a small operation into a trusted camlock couplings factory, serving diverse industries such as oil and gas, chemical processing, food processing, marine, and agriculture. The company’s commitment to quality is evidenced by its ISO 9001:2015 certification, ensuring that its quality camlock couplings meet rigorous international standards. Seal Fast Inc. has demonstrated consistent growth by expanding its product offerings and maintaining a focus on innovation, customer service, and reliability.
The company operates modern manufacturing facility in Houston, equipped with advanced production technologies to support large-scale output. Its state-of-the-art factory and warehousing capabilities enable efficient production and rapid shipping, catering to both domestic and global markets. As a leading camlock coupling supplier, Seal Fast Inc. provides camlock couplings in a variety of sizes (1/2" to 12") and materials, including aluminum, brass, stainless steel, and polypropylene, ensuring compatibility with a wide range of industrial applications. The company’s expert engineers collaborate with clients to deliver tailored solutions, reinforcing its reputation as a top Camlock Coupling company.
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TerreMax, a veteran-owned American camlock coupling manufacturer under Green Leaf, Inc., specializes in designing and producing high-quality camlock couplings and fluid flow solutions tailored for the commercial agriculture market. With over four decades of production experience, TerreMax has established itself as a trusted camlock coupling supplier, emphasizing innovation, quality assurance, and customer-driven development. Based in the United States, the company operates a modern 40,000-square-foot manufacturing facility equipped with advanced CNC machines and injection molding technology, complemented by a 45,000-square-foot warehousing center to ensure deep inventory levels and rapid shipping. TerreMax’s commitment to quality is reinforced by its ISO 9001 certification and a workforce of over 200 skilled employees. As a leading camlock coupling factory, TerreMax focuses on delivering durable, reliable products that meet diverse industrial needs, particularly in agriculture, while maintaining high inventory levels for quick delivery and offering custom and retail packaging options. The company’s growth is driven by its dedication to developing new products and providing superior customer service, making it a prominent name among camlock coupling manufacturers.
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United Metal Products (Guangzhou) Co., Ltd. is a leading camlock coupling manufacturer and camlock coupling supplier based in Guangzhou, China, with over 15 years of experience in the production of high-quality camlock couplings and related fittings. Established as a professional camlock coupling factory, the company has built a strong reputation for delivering reliable and durable products that meet international standards, including ISO 9001:2015 and CE certifications. Specializing in the camlock coupling industry, United Metal Products serves a diverse range of sectors, such as petroleum, mining, chemical engineering, agriculture, food processing, and fire protection. The camlock couplings factory operates with advanced manufacturing processes and strict quality control systems, ensuring bulk production capabilities and consistent quality for its global clientele. With a focus on innovation, customization, and competitive pricing, the company has fostered long-term partnerships with well-known enterprises worldwide, positioning itself as a trusted Camlock Coupling company. Its modern facilities in the Olympic Garden Building, Panyu District, Guangzhou, are equipped to handle large-scale production and customized orders, supported by an experienced technical and quality control team dedicated to enhancing production efficiency and product reliability.
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Steel & O'Brien is a prominent camlock coupling manufacturer and supplier based in Arcade, New York, USA, specializing in high-quality sanitary stainless steel fittings for industries such as food processing, pharmaceuticals, and chemicals. Established in 1990, the company boasts over three decades of production experience as a leading camlock coupling factory. Acquired by Flow Control Holdings in 2019, Steel & O’Brien has sustained steady growth, leveraging advanced manufacturing capabilities to meet increasing demand. Its modern factory is equipped with state-of-the-art technology, ensuring precision and reliability in every quality camlock coupling produced. As a trusted camlock coupling company, Steel & O’Brien emphasizes sanitary simplicity and durability, adhering to strict quality control standards to deliver dependable products for diverse industrial applications. The company’s commitment to innovation and customer satisfaction has solidified its reputation as a reliable camlock coupling supplier in the USA and beyond.
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K&G Machinery Co., Ltd., established in 1988 in Yuhuan, Zhejiang, China, is a globally recognized camlock coupling manufacturer and camlock coupling supplier with nearly 30 years of experience in producing high-quality fluid transfer solutions. Operating under the K&G brand for hose couplings and fittings and the CANTAI brand for valves, the company has evolved into an international fluid technology leader, exporting to over 35 countries. Renowned as a premier camlock coupling factory, K&G emphasizes stringent quality control, with 100% product testing before shipment, holding certifications such as ISO9001, CE, and OHSAS18001. Its modern 40,000-square-foot manufacturing facility, equipped with advanced CNC machines, supports a diverse product range, ensuring durability and precision for industries like oil and gas, agriculture, and chemical processing. The camlock couplings factory maintains a robust inventory in its 45,000-square-foot warehouse, enabling lightning-fast delivery and competitive pricing. K&G’s commitment to innovation, sustainability, and customer satisfaction has solidified its reputation as a trusted Camlock Coupling company, with an annual turnover exceeding $13 million.
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The Jack Olsta Co., established in 1987, is a prominent camlock coupling manufacturer and supplier based in Huntsville, Texas. With nearly four decades of production experience, the company has solidified its reputation as a leading camlock coupling company in the United States, specializing in high-quality camlock couplings for tank trailers and related transportation equipment. As one of the largest tank trailer dealers in the U.S., The Jack Olsta Co. has expanded its market reach across Central America and the Caribbean, serving industries such as petroleum, chemical, and agriculture. The company’s modern factory is equipped to deliver both import and domestic quality camlock couplings, reflecting its commitment to innovation, customer satisfaction, and building lasting relationships through exceptional service. Its robust manufacturing processes ensure that products meet stringent industry standards, making it a trusted camlock coupling supplier. The Jack Olsta Co. continues to grow steadily, maintaining a strong industry presence by offering durable and reliable fluid transfer solutions tailored to diverse industrial needs.
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Factory Direct Hose, a prominent camlock coupling supplier and camlock coupling manufacturer based in the United States, specializes in producing high-quality camlock couplings and hose fittings for industrial and agricultural applications. With years of experience in the industry, the company has established itself as a reliable camlock coupling factory, focusing on delivering durable and efficient fluid transfer solutions. Factory Direct Hose has grown steadily, driven by its commitment to innovation, quality, and customer satisfaction. Its modern factory is equipped with advanced manufacturing technology, utilizing high-grade materials such as 356 aluminum, heat-treated to T6 standards, ensuring precision and consistency in every quality camlock coupling produced. The company prides itself on offering industrial-grade fittings at competitive prices, catering to a wide range of industries, including agriculture, irrigation, and industrial fluid management. As a leading camlock coupling company, Factory Direct Hose ensures its products meet rigorous standards, with no use of fillers or recycled materials, and offers weldable aluminum fittings, setting it apart in the camlock couplings factory market.
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Armor Products, a division of The Armor Group, Inc., is a prominent camlock coupling manufacturer and camlock coupling supplier with over 90 years of production experience. Established in the early 20th century, the company has solidified its reputation as a leading Camlock Coupling company, particularly since acquiring the aluminum and brass Kamlok business from Pride Cast Metals in 2016. Operating modern facilities spanning over 475,000 square feet across Ohio, Indiana, and Shanghai, China, Armor Products maintains a robust manufacturing presence supported by ISO 9001:2015 certification. As a trusted camlock coupling factory, it specializes in producing high-quality camlock couplings for industries such as petroleum, chemical, mining, and fluid handling. The company’s partnership with OPW enables it to distribute stainless steel Kamloks, enhancing its position as a premier camlock couplings factory. Armor Products excels in delivering reliable, high-performance solutions, with a focus on quality camlock coupling production and efficient global distribution to meet diverse industrial needs.
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CamlockDirect is a reputable camlock coupling manufacturer and supplier based in the United States, specializing in high-quality fluid transfer solutions. With over five years of production experience, this camlock coupling factory has established itself as a trusted name in the industry, focusing on delivering durable and versatile camlock couplings for various industrial applications. The company has shown consistent growth by prioritizing customer satisfaction, rapid shipping, and product reliability. Its modern factory facilities are equipped to handle large-scale production, stocking over 1,000 active products across multiple locations nationwide, ensuring efficient delivery and a robust supply chain. As a leading camlock coupling company, CamlockDirect serves industries such as oil and gas, chemical, municipal, agricultural, and homebrewing, maintaining a strong commitment to quality camlock coupling production. All products adhere to the Mil-Spec A-A-59326 (MIL-C-27487) standard, guaranteeing compatibility and performance.
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The top 10 camlock coupling manufacturers for 2025 offer diverse solutions for fluid handling needs, with US-based companies like Seal Fast Inc. and Steel & O’Brien providing long-standing reliability, and global players like ProCamlock expanding their reach. For businesses seeking a trusted partner with a comprehensive product range and global presence, ProCamlock is an excellent choice. Visit ProCamlock to explore their offerings and start your partnership today.
1. What is a camlock coupling used for?
Camlock couplings, also known as cam and groove couplings, are quick-connect fittings used to join hoses and pipes for transferring liquids, powders, and gases in industries like agriculture, oil and gas, chemical processing, manufacturing, and marine applications. They ensure secure, leak-free connections in fluid transfer systems, ideal for frequent hose changes in dirty environments like petroleum or chemical trucks.
2. What is the difference between Type A and Type B Camlock?
Type A Camlock: Features a male adapter with a female thread, connecting to a female coupler for pipe or hose systems.
Type B Camlock: Has a female coupler with a male thread, designed to connect to a male adapter.
The primary difference lies in their threading and connection ends, tailored for specific fluid transfer setups in industrial applications.
3. How do you use a Camlock connector?
To use a camlock connector:
4. What is the standard size of a camlock?
Camlock fittings range from ½" to 8", with common sizes between ½" to 6" for materials like brass, stainless steel, and aluminum, and ½" to 4" for polypropylene. Sizes are measured by the male adapter’s outside diameter or female coupler’s inside diameter, adhering to standards like MIL-C-27487/A-A-59326 for compatibility in industrial fluid systems.
5. Who makes camlock fittings?
Leading manufacturers of camlock couplings include Dixon, PT Coupling, Banjo, Pro Flow Dynamics, and K&G Machinery, producing brass camlock fittings, stainless steel, aluminum, and polypropylene camlocks for industrial use.
6. What is the difference between Type A and Type B camlock?
Type A camlock fittings have a male adapter with a female thread, ideal for connecting to Type B, C, D, or DC couplers. Type B camlock couplings feature a female coupler with a male thread, typically pairing with Type A, E, F, or DP adapters for secure fluid transfer.
7. What are the standard fittings for camlocks?
Standard camlock fittings include Types A, B, C, D, E, F, DC (dust cap), and DP (dust plug), available in sizes ½” to 6”. Common materials are brass, stainless steel, aluminum, and polypropylene, with NPT or BSP threads for versatile hose and pipe connections.
8. What is another name for a camlock fitting?
Camlock fittings are also called cam and groove couplings, cam lock connectors, quick-connect couplings, or hose camlocks, widely used for rapid, tool-free connections in fluid transfer systems.
PROCAMLOCK offers durable, high-performance camlock fittings for easy use across industries like food processing, chemical, and construction.
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