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Firm
License
Firm Name Address City State Zip Expiration Date
(mm/yy)
5575 The Engenuity, LLC 16305 Swingley Ridge Rd, Suite 100 CHESTERFIELD MO 63017 09/30/26
3546 SSC Engineering, Inc. 18207 Edison Avenue Chesterfield MO 63005 09/30/25
3994 Stock & Associates Consulting Engineers, Inc. 257 Chesterfield Business Pkwy Chesterfield MO 63005 09/30/26
2067 HANSON PROFESSIONAL SERVICES INC. 1525 S. Sixth St. Springfield IL 62703 09/30/26
3094 APPLIED PAVEMENT TECHNOLOGY, INC. 115 W. MAIN ST., SU. 400 URBANA IL 61801 09/30/25
3166 ROHN PRODUCTS, LLC #1 FAIRHOLM AVENUE PEORIA IL 61603 09/30/25
2014 ALLIED DESIGN ARCHITECTURAL & ENGINEERING GROUP, P.C. 100 S. PERSHING P.O. BOX 110 MORTON IL 61550 09/30/25
4988 Legacy Designs, Inc. 555 South Perryville Road Rockford IL 61108 09/30/26
5565 SUBSTATION ENGINEERING SOLUTIONS LLC 6600 N Lincoln Ave, Suite 412 LINCOLNWOOD IL 60712 09/30/25
2047 COLLINS ENGINEERS, INC. 550 W. Jackson Suite 1200 CHICAGO IL 60661 09/30/26
4059 SoCore Engineering LLC 225 W. Hubbard St., #200 Chicago IL 60654-4916 09/30/25
5336 Nest Builders Inc dba dbHMS 306 W Erie St Suite 600 Chicago IL 60654 09/30/25
5372 Amped I LLC 1801 West Warner Avenue, Suite 300 Chicago IL 60613 09/30/25
4238 HBK Engineering, LLC 921 W. Van Buren Chicago IL 60607 09/30/26
5488 TGRWA, LLC 600 W Van Buren St Ste 900 Chicago IL 60607 09/30/26
2153 GREELEY AND HANSEN LLC 100 S. WACKER DRIVE SUITE 1400 CHICAGO IL 60606-4004 09/30/25
4501 NAYYAR & NAYYAR INTERNATIONAL, P.C. 223 W Jackson Blvd, Suite 802 CHICAGO IL 60606 09/30/26
4784 Cyclone Group PC 815 S Wabash Avenue Chicago IL 60605 09/30/25
3399 STANTEC ARCHITECTURE INC. 224 South Michigan Ave, Suite 1400 Chicago IL 60604-2590 09/30/26
2016 SARGENT & LUNDY, LLC 55 EAST MONROE STREET CHICAGO IL 60603 09/30/26
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
3915 Structural Enginuity, Inc. 1815 W. Diehl Road, Suite 100 Naperville IL 60563 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 09/30/26