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Business Details
50+ Years
experience
Trusted Industrial Sales & Representation Services in Libertyville, IL
Since 1975, W D Engineering Sales has established itself as a trusted manufacturers' representative agency serving the Midwest region. Founded by Walter Doctor and now led by his son Steve Doctor, our family-owned business combines decades of industry expertise with a specialized sales team focused on delivering innovative solutions for industrial automation, building automation, and power industry applications. Our team's deep understanding of OEM, MRO, and HVAC markets enables us to provide tailored sales strategies, product training, and channel management services that drive growth for our partners.

With dedicated CRM systems, performance reporting, and a commitment to staying ahead of market trends, we maintain our position as a proven sales partner with a track record of exceeding client expectations through personalized service and technical expertise.
Services
Industrial Automation Building Automation Power Industry Components OEM Sales Solutions HVAC Market Representation MRO Support Services Product Training Channel Management
Details
  • Year established: 1975
Highlights and features
  • 50 years of specialized experience in industrial sales representation
  • Dedicated CRM team with comprehensive opportunity tracking systems
  • Proven success in OEM, MRO, and HVAC market segments
  • Regional expertise across six Midwest states with local knowledge
  • Specialized sales team with technical expertise in automation systems
What people say
Knowledgeable team Responsive support Technical expertise Strong relationships Proven results
Services
Industrial Automation
We provide comprehensive industrial automation solutions representing leading manufacturers. Our team offers technical expertise in control systems, monitoring equipment, and process optimization. With decades of experience, we help manufacturers implement cutting-edge automation technologies that improve efficiency and productivity across various industrial applications.
Building Automation
Our building automation solutions connect electrical and mechanical systems for optimized performance. We represent top brands in control devices, signaling systems, and energy management solutions. Our specialists help clients implement smart building technologies that enhance operational efficiency while maintaining safety and compliance standards.
Power Industry
We deliver specialized power industry components and solutions for transmission, distribution, and control applications. Our product portfolio includes transformers, power magnetic products, and protection devices. Our technical sales team helps clients select and implement reliable power solutions for diverse industrial requirements.
OEM Sales
Our OEM sales support helps manufacturers expand their market reach through strategic representation. We provide dedicated account management, product training, and technical sales support. Our team's industry expertise enables OEMs to penetrate key markets with targeted sales strategies and performance reporting.
HVAC Market
We specialize in HVAC market representation with technical expertise in climate control systems. Our team provides sales support for heating, ventilation, and air conditioning components. We help manufacturers connect with end users and contractors through targeted market development strategies and technical sales assistance.
People
Steve Doctor
President
With decades of industry experience, Steve Doctor leads W D Engineering Sales as President. He has expanded the family business into a specialized industrial sales team, maintaining its strong industry foothold through innovative solutions and technical expertise.
Jason Waychoff
Vice President Sales
Jason Waychoff brings extensive sales leadership to W D Engineering Sales, managing Illinois and Indiana operations. His technical sales expertise helps manufacturers develop market strategies and achieve growth through targeted sales approaches and industry knowledge.
Alexandra Miller
Sales & Marketing Account Manager
Alexandra Miller combines sales and marketing expertise to support W D Engineering Sales clients. She provides dedicated account management, ensuring effective communication between manufacturers and customers while maintaining CRM systems and sales reporting.
Duane Reed
Business Development Iowa
Duane Reed specializes in Iowa market development, leveraging local knowledge to connect manufacturers with regional opportunities. His sales expertise helps clients expand their presence in key industrial sectors across the Midwest.
Mike Adrian
Business Development Wisconsin
Mike Adrian leads Wisconsin market development with technical sales expertise. He helps manufacturers navigate regional market dynamics, implementing strategies that drive growth through targeted sales approaches and industry-specific solutions.
Questions
What industries do you specialize in?
We specialize in industrial automation, building automation, and power industry solutions, serving OEMs, end users, and channel partners across the Midwest.
Which states do you serve?
We provide sales representation across Illinois, Wisconsin, Iowa, Indiana, Nebraska, and Minnesota with local market expertise.
How long have you been in business?
Since 1975, we've provided industrial sales representation, evolving from a family business to a specialized technical sales team.
What services do you offer manufacturers?
We offer sales growth strategies, CRM management, product training, market analysis, and technical sales support for industrial manufacturers.
How do you support customer relationships?
Our dedicated inside sales team maintains CRM systems, tracks opportunities, and provides performance reporting to strengthen manufacturer-customer relationships.