About Us

Voice of the Customer, Quality at the Source and Design for Manufacturing were not common industry concepts or programs when LDI Industries began back in 1962, but they were underlying fundamental principles which help launch and mold the Company. Anchored by this philosophy and fueled by innovative designs, LDI has been a leading manufacturer of hydraulic components and lubrication equipment to the OEM and MRO markets for over 50 years. Our continuous growth has created two 100,000 sq. ft. state of the art, ISO 9001:2015 certified manufacturing facilities--a precision machining and assembly operation in Manitowoc, Wisconsin and a complete fabrication, assembly and paint plant in Huntley, Illinois. Each focused factory is equipped with the latest machine tools utilizing lean manufacturing techniques.

Additionally, ongoing investment in applied technology is demonstrated by our Solid Works workstations utilizing finite element stress analysis and 3-D solid modeling. Our company wide 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, bar coding, product specs, configurator and pricing.

Equally important, our company culture is based on documented core values passed on from one generation to the next. Associate involvement, ongoing employee development and training, along with continuous improvement objectives support our competitive advantage. LDI Industries has been a major supporter of both "Youth Apprenticeships" with the local high schools, and the State Indentured Trade Apprenticeships. We currently have journeymen employed/certified in seven different trade classifications. Our investment and commitment also extends well into our local communities as we actively support numerous youth, service and cultural organizations.

Our comprehensive product line and "value added" capabilities strategically positions us to leverage relationships and consolidate sources which in turn will provide positive synergies in today's competitive markets. Whether your requirement is for a tank and accessories, a hydraulic rotary manifold, a specialty fitting, or a lubrication device allow our experienced, professional engineering department to act as an extension of your design team. We can provide design and application assistance along with prototyping and testing verification. Please send us a sketch or your specs.

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


LDI - Corporate  Click for map LDI   Click for map
Precision Machining & Assembly Fabrication & Assembly
1864 Nagle Ave. 12901 Jim Dhamer Dr.
Manitowoc, WI  54220 Huntley, IL  60142
PH: 920.682.6877                         
FAX: 920.684.7210                         



Our talented team of degreed and professionally certified Engineers, Quality Assurance, Production and Customer Service staff have many years of experience in the industry.  Their attention to detail and ability to collaborate with our clients to solve their problems is reflected in the 50+ years we have been in business.


Customer Service: 

920.682.6877, option 4

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