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1. NingBo NJ Hydraulic Adapter Co., Ltd.
NingBo NJ specializes in manufacturing Quality Hydraulic Fittings , adapters, hose fittings, JIC fittings , split flange kits, flange adapters, ferrules, plugs, caps and more for global markets including North America. They maintain large-scale CNC machining capabilities and inventory, producing adapters and fittings that meet SAE, British, DIN and international specifications. Their product range covers many series and sizes, supporting applications in construction, agriculture, mining, industrial equipment and fluid power systems.
Why choose them: Their wide catalog and manufacturing capacity let you source nearly any adapter or fitting you need, from standard connections to custom designs. Rigorous quality control and compliance with international standards ensure leak‑free, durable hydraulic connections. Their large stock and logistic systems support fast delivery, reducing lead times and lowering inventory burden.
Address: 151 Hongxing Road, Wengao Development Park, Chunhu Street, Fenghua District, Ningbo City, Zhejiang Province, China, 315506
2. Paul Tube Fittings
Paul Tube Fittings is a Houston-based manufacturer and supplier of high-pressure Hydraulic Fittings , couplings and fittings. They offer adapters and fittings made from stainless steel, carbon steel, brass and specialty alloys like Inconel or Monel, designed for pressure up to several thousand PSI and with a variety of thread and sealing options. Their products are fabricated to meet international standards and cover wide size and material ranges, making them suitable for demanding hydraulic, oil & gas, and industrial systems.
Why choose them: Paul Tube Fittings delivers precision‑machined adapters with robust material options and high-pressure ratings, ensuring reliability under heavy loads and harsh conditions. Their broad size and thread range helps when you need to adapt between different hydraulic standards.
Address: Houston, Texas, USA
3. DW Industries, Inc.
DW Industries has supplied Premium Hydraulic Fittings , hose, and adapters to Houston and surrounding areas since 1979. They offer a range of hydraulic hose fittings and custom adapter configurations, serving both standard and specialized hydraulic systems. The company supports custom hose and adapter orders that many suppliers cannot fill, covering industrial, oilfield and construction equipment needs.
Why choose them: Their long history and willingness to handle custom orders make them a strong choice when standard adapters won't meet your system requirements. They supply fittings for heavy-duty hydraulic and oilfield equipment, ensuring durable and safe connections.
Address: Houston, Texas, USA
4. Balflex USA
Balflex USA is the North American distribution center for a global group that designs and distributes flexible hoses, Hydraulic Hose Fittings , adapters, connectors and quick couplings for industrial, mining, agriculture and offshore industries. Their product range includes hydraulic adapters, hose fittings, connectors and complete hose assemblies engineered to high quality standards. Balflex has decades of field experience and distributes worldwide.
Why choose them: Their global manufacturing and distribution network ensures a wide selection of high-quality fittings and adapters available for immediate supply. Their fittings and connectors are designed to meet rigorous industrial standards, supporting heavy-duty and continuous service applications.
Address: Houston, Texas, USA
5. Hydraquip Services
Hydraquip operates a hose and coupling center in Houston that supplies hydraulic hoses, adapters, fittings including 37 Flare JIC Fittings , quick disconnects, and custom hose assemblies. They are a certified partner for premium hose and adapter brands and provide ISO-clean assembly, quality control, and pressure testing for high-pressure hydraulic systems. The company can build hose assemblies up to 10″ hose size and offers adapter kitting and custom configuration services.
Why choose them: Hydraquip offers a full-service supply chain, from adapters to custom hoses and assemblies, reducing the number of suppliers you deal with. Their ISO-clean assembly and pressure testing ensure reliability for critical hydraulic systems and reduce risk of leaks or failure. Their capacity to assemble large diameter hoses and supply fittings, adapters and couplings makes them ideal for heavy industrial and fluid power applications.
Address: 16330 Central Green Blvd., Suite 200, Houston, TX 77032, USA
6. Wilco Supply, LLC
Wilco Supply is one of Houston's oldest hose and supply shops, offering hydraulic hoses, fittings, industrial hoses and custom metal fabrication. They maintain large inventory and provide services for hose repair, custom fabrication, and emergency supply of hoses and adapters. Their breadth covers industrial, petrochemical, waterblast, marine and general hose and adaptation needs.
Why choose them: Wilco's long history and wide inventory make them a reliable backup when you need hard-to-find fittings or emergency replacements. Their capability in custom metal fabrication and hose repair adds flexibility for systems that require unique or adapted hydraulic components.
Address: Houston, Texas, USA
7. Midwest Hose & Specialty, Inc.
Midwest Hose & Specialty is a full-line distributor and manufacturer's representative supplying hydraulic hoses, fittings and adapters. They serve the oilfield, mining, construction, manufacturing and maintenance sectors with stocked fittings and custom hose-fitting solutions. They offer 24-hour service and support periodic maintenance and urgent component supply for hydraulic systems.
Why choose them: Their stock and service readiness ensure that you can get fittings and adapters quickly when needed, minimizing downtime in critical equipment operations. Their experience across sectors helps them understand varied hydraulic requirements and recommend suitable fittings and adapters. Their distribution strength supports both standard and custom orders for different hydraulic applications.
Address: Houston, TX 77041, USA
8. Action Supply Inc.
Action Supply has over four decades of experience in supplying hydraulic hoses, fittings, adapters and custom hose assemblies. Their product range covers marine-grade connectors, industrial-strength adapters, fittings, quick couplings and hose assemblies suitable for demanding industrial conditions. The company also offers inventory management and on-site hose assembly services for customers needing rapid turnaround of hydraulic components.
Why choose them: Action Supply's in-house fabrication and assembly services let you get ready-to-use hydraulic lines and adapters without extra outsourcing. Their wide range of fittings and adapters, plus on-site assembly and inventory management, reduce lead time and simplify logistics. Their specialization in industrial and marine-grade components helps ensure durability and reliability in tough environments.
Address: 5513 Norments Street, Houston, TX 77039, USA
Founded in 2004, NingBo NJ Hydraulic Adapter Co., Ltd specializes in manufacturing hydraulic fittings, hydraulic adapters, hose fittings, split flange kits, flange adapters, flanges, reusable hose fittings, ferrules, caps and plugs and so on, then sell to worldwide, especially North America, South America, Australia, Germany, UK. Our history of collaboration with our customers for specially designed hydraulic applications, has established NJ as an industry-preferred source for customer-specific manufactured adapters. We are proud to serve major markets including: construction, agriculture, mining, industrial equipment and more. All NJ fittings are manufactured to the highest standards, meeting S.A.E./BRITISH/EATON/DIN and INTERNATIONAL specifications. We control our own manufacturing both domestically and overseas. NJ has a strong inventory reserve, more than 20,000 warehouse has more than 25,000 series and sizes of fittings, far more than the competitors twice as much. From the time we receive your order until it arrives at your facility, we're committed to meeting your deadlines and delivery requirements. Our goal is to provide your fittings as fast as possible — when and where you need them — which also helps you keep your inventories and freight costs low. Whether you have an emergency or an ongoing need, send us an email. We deliver the fittings you want, along with the high quality, best after-sales service and competitive price you deserve.