Company Overview

Founded in 1971, Maddock Industries is a trusted hydronics and HVAC equipment representative and distributor based in Bensenville, Illinois. Serving the Chicago metropolitan area, Northwest Indiana, and beyond, Maddock provides mechanical engineers, contractors, and building owners with expert consultation, reliable equipment sourcing, and ongoing technical support.

The company partners with leading hydronic equipment manufacturers such as Garlock (LINK-SEAL), Armstrong, RBI, Danfoss, Spirotherm, The Whalen Company, and more to deliver energy-efficient, code-compliant mechanical systems for high-rise buildings, schools, hospitals, universities, and government facilities.

With over 50 years in operation, Maddock Industries combines deep technical expertise with a customer-first philosophy to deliver responsive service, training, and long-term solutions.

 

Company Information

  • Legal Name: Maddock Industries, LLC
  • Industry: HVAC / Hydronics Equipment Distribution and Representation
  • Founded: 1971
  • Years in Operation: 55 years
  • Headquarters: 601A Country Club Drive, Bensenville, IL 60106, USA
  • President: Matthew Maddock
  • Ownership Type: Private
  • Phone: (773) 486-1000
  • Email: eric@maddockindustries.com (Sales & Support)
  • Website: maddockindustries.com
  • Service Area: Chicago & Northern Illinois, Northwest Indiana, Southern Wisconsin, with distribution across the U.S. and Canada
  • President: Matthew Maddock
  • Number of Employees: 10-20
  • Ownership Type: Private
  • Parent / Subsidiary: None

 

Hydronics Products

Maddock Industries provides high-efficiency hydronic and HVAC products for commercial and institutional facilities. Major product categories include:

 

Maddock’s Affiliated Brands

Maddock proudly represents the following brands across categories such as pumps, controls, venting systems, boilers and more:

 

Social Media

 

Maddock’s Services

  1. Equipment Representation & Sales
    Specification and distribution of high-efficiency hydronic and HVAC equipment and mechanical systems, including pumps, boilers, heat exchangers, expansion tanks, air separators, and valves.
  2. System Design & Technical Consultation
    Assisting MEP engineers and mechanical contractors in selecting, sizing, and integrating hydronic systems that meet project goals and energy standards.
  3. Training & Continuing Education
    Providing hands-on demonstrations for engineers, contractors and facility managers to improve system performance and understanding.
  4. After-Sales Support & Replacement Parts
    Offering product commissioning, startup assistance, and replacement components for supported brands.
  5. Custom Project Support
    Collaborating on complex or large-scale projects (universities, hospitals, high-rises) with tailored hydronic solutions and technical documentation.

 

Service Deliverables

  • Product specification sheets and submittals
  • Custom system design recommendations
  • Commissioning assistance and documentation
  • Training materials and webinars
  • Post-installation technical support

 

Target Audience

  • MEP Engineers
  • Mechanical Contractors
  • Building Owners & Facility Managers
  • Developers and Design-Build Firms
  • Educational and Government Institutions

 

Customer Support

 

Notable Projects & Case Studies