Firm License |
Firm Name |
Address |
City |
State |
Zip |
Expiration Date (mm/yy) |
4751 |
David Mason & Associates, Inc. |
800 South Vandeventer Ave |
St. Louis |
MO |
63110 |
09/30/25 |
2789 |
JACOBS ENGINEERING, INC. |
c/o CT-BL 120 S. Central Ave Ste 400 |
Clayton |
MO |
63105 |
09/30/25 |
350 |
JACOBS ENGINEERING GROUP INC. |
c/o CT-BL 120 S. Central Ave Ste 400 |
Clayton |
MO |
63105 |
09/30/25 |
36 |
CH2M HILL, INC. |
c/o CT-BL 120 S. Central Ave Ste 400 |
Clayton |
MO |
63105 |
09/30/25 |
2586 |
SYSTRA Consulting, Inc. |
120 S. Central Ave., Suite 400 |
Clayton |
MO |
63105 |
09/30/25 |
3195 |
Shannon & Wilson, Inc. |
120 S. Central Ave., Suite 400 |
Clayton |
MO |
63105 |
09/30/25 |
4072 |
CH2M HILL Engineers, Inc. |
c/o CT-BL 120 S. Central Ave, Ste 400 |
Clayton |
MO |
63105 |
09/30/25 |
4718 |
Constellation Energy Solutions, LLC |
120 S. Central Ave., Ste 400 |
Clayton |
MO |
63105 |
09/30/25 |
3389 |
Hellmuth, Obata & Kassabaum, Inc. |
10 South Broadway Ste. 200 |
St. Louis |
MO |
63102 |
09/30/25 |
4291 |
Buescher Frankenberg Associates, Inc. |
103 Elm Street |
Washington |
MO |
63090 |
09/30/25 |
3963 |
G&W Engineering Corporation |
138 Weldon Parkway |
Maryland Heights |
MO |
63043-3102 |
09/30/25 |
4780 |
Westport Pools, Inc. dba Landmark Aquatic |
156 WELDON PARKWAY |
Maryland Heights |
MO |
63043 |
09/30/25 |
4102 |
Sachs Electric Company |
1572 Larkin Williams Road |
Fenton |
MO |
63026 |
09/30/25 |
4486 |
Case Engineering, Inc. |
796 Merus Ct |
Fenton |
MO |
63026 |
09/30/25 |
2400 |
MITEK Inc. D/B/A MiTek USA |
16023 Swingley Ridge Road |
CHESTERFIELD |
MO |
63017 |
09/30/25 |
5575 |
The Engenuity, LLC |
16305 Swingley Ridge Rd, Suite 100 |
CHESTERFIELD |
MO |
63017 |
09/30/25 |
792 |
CORRPRO COMPANIES, INC. |
580 Goddard Ave. |
Chesterfield |
MO |
63005 |
09/30/25 |
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 |
09/30/25 |
2067 |
HANSON PROFESSIONAL SERVICES INC. |
1525 S. Sixth St. |
Springfield |
IL |
62703 |
09/30/25 |
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 |
5269 |
IMEG Consultants Corp |
623 26th Ave |
Rock Island |
IL |
61201 |
09/30/25 |
5565 |
SUBSTATION ENGINEERING SOLUTIONS LLC |
6600 N Lincoln Ave, Suite 412 |
LINCOLNWOOD |
IL |
60712 |
09/30/25 |