About Us

Industry leader in custom process solutions.


Founded in 1979, Spec Engineering, a Gray company, is an industry leader in custom process solutions. With offices in Plainfield and Chicago, IL, our experienced team of process, design, and electrical engineers, along with project managers and fabricators, take our customers’ ideas from concept to completion.


At the core, we put safety first, we are customer and relationship driven, and we treat others the way we want to be treated. In 2019, Spec became part of the Gray family of brands, and together the companies deliver highly customized turnkey solutions primarily in the Food & Beverage industry.

Meet The Team

  • Brian Bernard
  • Meredith Perry
    Vice President, Business Operations
  • Joe Krueger
    Vice President, Engineering Operations
  • Amy Kerns
    Executive Administrator
  • Edel Rodriguez
    Vice President, Sales
  • Jeff Jendryk
    Vice President, Business Development
  • Brad Vos
    Director of Controls & Automation
  • Kevin Laud
    Vice President of Engineering - CandyWorx
  • Chris Moore
    Engineering Manager
  • Adam Froehlich
    Design Manager

Spec Engineering is a Gray company.

Spec is a process engineering company, focused on best-in-class solutions for customers in the food, grain, minerals, chemicals, and pharma industries. In 2019, Spec became part of the Gray family of brands. As a Gray company, we continue to offer comprehensive expertise, catered to your scope, schedule, and budget.