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Featured Products

Oil -Free Air Compressor - GSE ZW500

Part #: D22-515


Premium Crimping and Dies kit

Part #: Crimp 3041


Ultimate Handheld Hose Repair Kit

Part #: Vgrip 3047


Advanced Tire Inflation Essentials Kit

Part #: Advanced 620


ProTire Inflator Repair Kit

Part #: Pro 6019


Heavy Duty 25' Coiled Hose For Air/water Machines

Part #: D11-070


Bleeder Valve Assembly Unit

Part #: 3206


1/4" Male Button Valve-hex

Part #: 3205


1/4" Female Button Valve

Part #: 3204


12" Whip End Steel Braided Hose With Swivel 1/4" Mpt

Part #: 6041



In recent years, Diamond-U has expanded its capabilities to better serve our customers. We have introduced numerous features that streamline their tasks and offer opportunities for future projects.


  • Specialized Production Facilities
  • On-Site Assembly, Machining & Fabrication
  • Pneumatic, Automotive & Industrial Industries
  • Testing & Quality Assurance
  • Remanufacturing, Repair & Warranty
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  • Warehouse & Inventory Management
  • Order Fulfilment, Drop Shipments & E-Commerce
  • Individual, Bulk, LTL, FTL Shipments
  • Package Services (UPS, FedEx, DHL, USPS)
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OEM Production

  • Design & Engineering to Customer Specification
  • Prototype Approval & Production Planning
  • Contract Manufacturing
  • Custom Assemblies, Kitting, Packing & Labeling
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Supply Chain Management

  • Planning & Supplier Coordination
  • Vendor Relationship Management
  • Sourcing & Procurement
  • Purchasing through Established Supplier Network
  • Dedicated Stock & Vendor Managed Inventory
  • Manage Reorder Points
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  • Transport & Freight Forwarding
  • Facilitate Shipments Across Domestic & International Suppliers
  • Manage Claims, RMA & Reverse Logistics
  • Customs Compliance & Clearance
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Market Partnerships

  • Co-Branded Products
  • Established Customer Base
  • Existing Partnership Network
  • Robust Lines of Distribution
  • New Product & Business Development
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Diamond-U's success is underpinned by a company with strong ethical values and a rich history that spans over a century. As a pioneer in the field, Diamond-U has been committed to excellence and innovation throughout its 100-year history, providing high-quality products and services to customers in the pneumatic and automotive industries. With a fascinating past behind us and a vast future ahead, Diamond-U is a dependable partner for businesses looking to expand their reach and manufacturing industry-leading components and in-house assemblies. The company is committed to its core values of quality, customer satisfaction, and trust. The company's mission for the upcoming years is to lead by example and be at the forefront in the shift towards sustainability in the pneumatic and automotive industries in North America.

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