WD Engineering is a premium manufactures representative agency based out of Illinois and serving the midwestern region. We provide solutions to a diverse customer base that includes OEM's, end users, and channel partners across the industrial automation, automotive/off-highway construction, electrical, and lighting markets. WD is approaching its 50th year in business servicing these markets and assisting customers with our technical expertise from years of working on applications and seeing best practices.


  • Experienced & Proven Solution Providers
  • Specialized in OEM, Machine Builder, System Integrator, & End-User sales
  • Established Channel Partners
  • IIOT/Electrical/Mechanical Product Expertise Across Multiple Industry Verticals
  • Cutting Edge Data Tools for Pipeline Management & Reporting Transparency
  • Dedicated Marketing Team to Promote Brands with Integrity & Professionalism
  • Ethical, Professional, Communicative, & Punctual

COVID-19 Update : We hope that you and those around you are and remain safe.

We are privileged to have you as a customer and even in this unprecedented situation, are working hard to continue serving you as you expect. We are offering video meetings, as well as in person meetings, providing that each party remains a safe distance with masks on. We are still offering demos and sample requests at this time and will work with your business to provide you with what you need. As of now, WD Engineering remains in our sales office, able to conduct business from individual offices at a safe distance. Thank you for your business, your friendship, and your trust.

Ethernet switches, industrial wireless devices, Ethernet media converters, and serial communication devices. Antaira products support industry standards and perform efficiently in rugged environments.


BACO Controls supplies industrial control and signaling devices. They specialize in control stations based on specifications and needs and can work with drawings and build the control stations or assemblies and ship same day. 

As one of the world’s leading technology and system providers, DIRAK develops, manufactures, and sells innovative components for enclosure construction – specializing in latching, hinging, and gasketing. Its high quality, customized products function either mechanically or electronically, and have been used for many years in the most demanding applications.

Enerdoor is an international leader in the development and production of EMI-RFI Filters, motor protection devices, harmonic filters, line reactors, surge arrestors, voltage stabilizers, and customized solutions.

One of the largest enclosure manufacturers in the world and is the market leader in polycarbonate enclosures used for protecting electrical and electronic components in hostile and hazardous environments.

Durable and efficient Spindles, GMN provides spindles to speed grinding to high power milling applications. GMN also will design and develop special spindles to meet the specific requirements of our customers. GMN is a market leader for spindle technology worldwide. 

From 1974 to 2004, LG Industrial Systems thrived domestically throughout Asia and throughout the Middle East with success in a wide range of industries. In 2005, the company was renamed LSIS under the LS Group of companies. LSIS USA’s mission focuses on Variable Frequency Drives and Electrical Power Components.

Designs and manufactures industrial control and monitoring products that control electrical processes and monitor power for damaging fault conditions. Macromatic provides solutions for a range of OEM and MRO applications.

Manufacturers and provides high quality insulation resistance testing and monitoring devices incorporating leading-edge technologies. This ensures safety for personnel, and reliability for motors and generators based on proven MegAlert patented technology.

A Global Manufacturer of Thermal Management, Liquid Cooling Solutions and Signaling Technologies.



The Rex Product line includes custom designed and built specialty transformers, power transformers up to 15 MVA and 46.0 kV, distribution transformers, reactors, autotransformers, control and machine tool transformers from 50VA, along with custom enclosures, custom cut electrical steel cores and other power magnetic products.

A world class manufacturer of power electromechanical relays with over 40 years of experience. Founded in 1974, Song Chuan remains an industry leader, providing switching solutions for Industrial, Automotive, Appliance, HVAC, Power and Green Energy Applications.


TE Connectivity proposes one of the largest Din Rail Terminal block offering on the market with various technologies: screw, PI Spring, spring, IDC, pluggable, stud, etc. found in over 8000 products & solutions


TR Electronics supplies everything from encoders, sensors and measuring technology to monitoring and control systems and machine lighting. 

WD Engineering not only offers an experienced sales and marketing team that develops new sales and helps manufactures stay connected with their customers, we can also offer principles our line stock program. Line Stock is a warehousing program WD has developed to support strategic accounts, projects, and distribution channels with local inventory for manufactures that we represent.

This program has been proven to be a differentiating factor for our customers in their decision making process.

Warehouse Located at: 1530 McCormick Blvd
Mundelein, IL 60060