• Illinois: (630) 660-3596
  • Wisconsin: (262) 893.4436
  • Call us: (630) 660-3596

  • ILLINOIS OFFICE
    Aurora, Illinois

  • WISCONSIN OFFICE
    Mukwonago, Wisconsin

A Manufacturers Representative with over 30 years of experience.
The ESA Technical Marketing Team
Diana Nawrocki
President & Owner

With 18+ years of experience in the industry.  Diana is an active board member of the ERA. Diana graduated from Lake Forest College with BA in Business. Diana is responsible for major accounts in Illinois.
John Stromski
Sr. Account Executive

John’s background includes Distribution and OEM sales. John is responsible for customers in WI and far northeast IL.
David Wiggins
Sr. Account Executive

David has 20+ years of experience in Distribution and OEM sales. David is responsible for customers in Illinois.

With over 30 years of experience, we will ensure you always get the best representation.

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