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Firm
License
Firm Name Address City State Zip Expiration Date
(mm/yy)
5529 The Consulting Engineers Group, Inc. 601 W Golf Road, Second Floor Mount Prospect IL 60056 09/30/25
2285 WISS, JANNEY, ELSTNER ASSOCIATES, INC. 330 PFINGSTEN ROAD NORTHBROOK IL 60062 09/30/25
5310 DGS Technical services, Inc 1875 Big Timber rd Elgin IL 60123 09/30/25
3639 FULLERTON ENGINEERING CONSULTANTS, LLC 1100 E Woodfield Road, Ste. 500 Schaumburg IL 60173 09/30/25
4058 RTM Engineering Consultants, LLC 650 E Algonquin Rd Ste 250 Schaumburg IL 60173 09/30/25
4848 KCS Corporation 1125 Remington Rd Schaumburg IL 60173 09/30/25
4863 Prairie Land Professional Services 10 N Martingale Rd, Suite 400 Schaumburg IL 60173 09/30/25
2463 M.G.N. CONSULTING ENGINEERS, INC. 635 BUTTERFIELD ROAD SUITE 310 OAKBROOK TERRACE IL 60181 09/30/25
3572 WCW ENGINEERS, INC. 760 CREEL DRIVE WOOD DALE IL 60191 09/30/25
5257 the w-t group, llc 2675 pratum ave hoffman estates IL 60192 09/30/25
5175 Voss Structural Engineering, LLP 7264 W Benton Dr Frankfort IL 60423 09/30/25
5128 Kluber, Inc. 41 W. Benton Street Aurora IL 60506 09/30/25
4481 Sevan Engineering, P.C. 3025 Highland Parkway Downers Grove IL 60515 09/30/25
2592 Raths, Raths & Johnson, Inc. 500 Joliet Rd WILLOWBROOK IL 60527 09/30/25
4629 CB&I Storage Tank Solutions LLC 14105 S. Route 59 Plainfield IL 60544 09/30/25
2833 TG ADVISERS LLC 28100 Torch Parkway Warrenville IL 60555 09/30/25
3891 EN ENGINEERING, LLC dba ENTRUST Solutions Group 28100 TORCH PARKWAY WARRENVILLE IL 60555 09/30/25
3915 Structural Enginuity, Inc. 1815 W. Diehl Road, Suite 100 Naperville IL 60563 09/30/25
3964 Exp US Services, Inc. 205 North Michigan Avenue, Suite 3600 Chicago IL 60601 09/30/25
5514 Weaver Consultants Group, LLC 35 E. Wacker Drive, Ste 1250 Chicago IL 60601 09/30/25
2016 SARGENT & LUNDY, LLC 55 EAST MONROE STREET CHICAGO IL 60603 09/30/25
4376 Milhouse Engineering and Construction 333 South Wabash, Suite 2901 Chicago IL 60604 09/30/25
3399 STANTEC ARCHITECTURE INC. 224 South Michigan Ave, Suite 1400 Chicago IL 60604 09/30/25
4784 Cyclone Group PC 815 S Wabash Avenue Chicago IL 60605 09/30/25
2518 KLEIN AND HOFFMAN, INC. 150 S. WACKER DRIVE SUITE 1900 CHICAGO IL 60606 09/30/25