STC Engineering Co. provides direct contract cad support to your engineering department in our areas of expertise.Graphic Designs, Paper 2 CAD,Inventor, Microstation,AutoCAD formats

Bennie Consulting Engineers

Engineering Consultants

📍 23819 W Mill St PO Box 191, Plainfield, IL, 60544

📞 815-556-8037

🌐 www.benconeng.com

Consulting Engineers, Environmental Engineers, Energy and Product Recovery Engineering.

Golder Associates

Engineering Consultants

📍 10204 Werch Dr Ste 308, Woodridge, IL, 60517

📞 630-783-2195

Updated Aug 2026

Farnsworth Group

Engineering Consultants

📍 1144 W Jefferson St Ste 300, Shorewood, IL, 60404

📞 815-744-6940

🌐 f-w.com

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