LDI Industries

LDI Industries logo

Welcome to LDI Industries, Inc., an ISO 9001:2008 company. For over 45 years LDI has been a leading designer and manufacturer of hydraulic components and lubrication equipment to the OEM and MRO markets. Our comprehensive product line includes rotary manifolds/multi passage swivels, check valves, filter fittings, specialty fittings, hydraulic and fuel tanks, reservoir accessories such as sight glasses, breathers, vents and strainers, lubricators, circulating oil systems, centralized lubrication systems and custom fabrications including brackets, ladders, decks, grills, consoles, cowls and fenders.

Continuous growth has allowed us to operate two 100,000 sq. ft. each state of the art manufacturing facilities - our precision machining and assembly operations in Manitowoc, Wisconsin and our new fabrication plant in Huntley, Illinois. Each focused factory is equipped with the latest machine tools utilizing lean manufacturing techniques. Our company culture is based on documented core values passed on from one generation to the next. Associate involvement and training along with continuous improvement objectives support our competitive advantage.

Ongoing investment in applied technology is demonstrated by our Pro/E Wildfire and AutoCAD workstations utilizing finite element stress analysis and 3D solid modeling. Our information systems are built around Infor XA ERP with advanced modules such as MPSP, MRP and CRP aided by a PC network and "real-time" shop floor reporting. E-commerce capabilities include EDI and bar coding.

Our broad product line strategically lends itself well to consolidating sources and leveraging existing relationships to provide the positive synergies so critical in today's competitive marketplace. Whether your requirement is for a lubricator, a sight glass, a specialty fitting or valve, a multi-passage swivel or a custom tank, allow our experienced, professional engineering department to act as an extension of your design team. We can provide application consulting, design assistance, prototyping and test verification. Please send us a sketch or your specs.

We look forward to hearing how LDI Industries, Inc. can be of assistance. We're confident you'll be most satisfied with our quality, price and service. Thank you in advance for your consideration and the opportunity to quote on your requirements.


  • Vented Oil Gages / Sight Checks
  • Inllne Flow Sights
  • Vents and Breathers
  • Breather-Strainer Assembly/Sump Strainer
  • In Line Filters
  • Fluid Level Indicators
  • Closed Circuit Fluid Level Gauges
  • Metering Valves
  • Reservoir, Air Operated, Dual Regulators
  • Air/Oil Reservoirs
  • Constant Level Reservoirs
  • Lubricators/Dispensers
  • Gun-Fil Lubricator
  • Chain Oilers, Spray Systems
  • Positive Displacement Metering Pumps
  • Circulating Oil Systems
  • Grease Cups

Available in: Alabama, Arizona, Arkansas, N.W. Florida, S. Idaho, Kansas, Louisiana, Mississippi, W. Missouri, Montana, Nevada, New Mexico, W. North Dakota, Oklahoma, W. South Dakota, Texas, Utah and Wyoming

LDI Industries Products

For more information about any of the products Womack sells please contact Womack Sales.
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