SPEC Hosting 40th Anniversary Party

In honor of SPEC Engineering’s 40th Anniversary, we are inviting our customers, partners, friends, and family to help us celebrate. We hope you are able to stop by and celebrate this accomplishment. We look forward to seeing you!

Event Details:

When: Friday, May 31, 2019 from 2:00-8:00pm*

Where: SPEC Engineering, 25523 W. Ruff Street, Plainfield, IL 60585

RSVP: by May 21 using the link: or to Meredith Perry at or 815.676.5006 x301

*Food will be served from 4:00-5:00pm, an ice cream truck will be on-site from 6:00-7:00pm, and live music will be performing from 5:00-8:00pm


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.