| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| ACN ENVIRONMENTAL CONSULTING INC | Business | 184007224-0002 | CHICAGO | NOT RENEWED | Verify |
| ACOT ASSOCIATES GROUP LLC | Business | 184008125-0002 | BLOOMINGTON | NOT RENEWED | Verify |
| ACP1 LIMITED | Business | 184000143-0001 | PARK RIDGE | NOT RENEWED | Verify |
| AD HOC ARCHITECTURE | Business | 184005593-0001 | OAK PARK | NOT RENEWED | Verify |
| ADAIR ARCHITECTS INC | Business | 184007746-0001 | MOKENA | ACTIVE | Verify |
| ADAM BECK ARCHITECTS, LLC | Business | 184007606-0001 | ROSCOE | ACTIVE | Verify |
| ADAMS & CHRISTENSEN ENGINEERING INC | Business | 184006676-0002 | GRAYSLAKE | ACTIVE | Verify |
| ADAMS DESIGN GROUP LTD | Business | 184005885-0001 | GENEVA | ACTIVE | Verify |
| ADG ARCHITECTS LTD | Business | 184009637-0001 | SYCAMORE | ACTIVE | Verify |
| ADG ARCHITECTURE & DESIGN GROUP | Business | 184000755-0001 | MOUNT CARMEL | NOT RENEWED | Verify |
| ADG LTD | Business | 184002718-0001 | CHAMPAIGN | NOT RENEWED | Verify |
| ADI DESIGN INC | Business | 184000689-0001 | MUNDELEIN | NOT RENEWED | Verify |
| ADIME' ARCHITECTURE INC | Business | 184004346-0001 | CHICAGO | NOT RENEWED | Verify |
| ADO ENGINEERING INC | Business | 184006068-0002 | SOUTH ELGIN | ACTIVE | Verify |
| ADRIAN LOZANO & ASSOCIATES ARCHITECTS PC | Business | 184003737-0001 | BERWYN | NOT RENEWED | Verify |
| ADRIAN SMITH + GORDON GILL ARCHITECTURE LLP | Business | 184004956-0001 | CHICAGO | ACTIVE | Verify |
| ADS ARCHITECTS INC | Business | 184004684-0001 | HOFFMAN ESTATES | NOT RENEWED | Verify |
| ADVANCE CONSULTING GROUP INTERNATIONAL | Business | 184002008-0002 | CHICAGO | ACTIVE | Verify |
| ADVANCE CONSULTING GROUP INTERNATIONAL OF ILLINOIS, INC | Business | 184003333-0002 | CHICAGO | NOT RENEWED | Verify |
| ADVANCE MECHANICAL SYSTEMS INC | Business | 184000874-0002 | ARLINGTON HEIGHTS | ACTIVE | Verify |
| ADVANCED ARCHITECTURAL DESIGN LTD | Business | 184002123-0001 | MOUNT PROSPECT | ACTIVE | Verify |
| ADVANCED CONSULTING ENGINEERING SERVICES | Business | 184001501-0002 | PEORIA | NOT RENEWED | Verify |
| ADVANCED CONSULTING GROUP INC | Business | 184001364-0006 | CHICAGO | ACTIVE | Verify |
| ADVANCED EARTH TECHNOLOGIES INC | Business | 184002590-0002 | ELGIN | NOT RENEWED | Verify |
| ADVANCED ENERGY SYSTEMS CO INC | Business | 184001050-0004 | ROCKFORD | NOT RENEWED | Verify |
| ADVANCED ENGINEERING & SURVEYING | Business | 184002867-0010 | ELGIN | CANCELLED | Verify |
| ADVANCED ENGINEERING & SURVEYING PC | Business | 184005324-0010 | ELGIN | NOT RENEWED | Verify |
| ADVANCED ENGINEERING ASSOCIATES INC | Business | 184001365-0012 | MENDOTA | NOT RENEWED | Verify |
| ADVANCED ENGINEERING DESIGNS INC. | Business | 184003439-0002 | WHEELING | NOT RENEWED | Verify |
| ADVANCED ENGINEERING SERVICES INC | Business | 184005846-0002 | BUFFALO GROVE | NOT RENEWED | Verify |
| ADVANCED ENGINEERING SOLUTIONS INC | Business | 184001969-0002 | MINOOKA | NOT RENEWED | Verify |
| ADVANCED RECON, INC. | Business | 184009061-0002 | TINLEY PARK | ACTIVE | Verify |
| ADVANCED SURVEYING AND MAPPING INC. | Business | 184002766-0008 | BATAVIA | NOT RENEWED | Verify |
| ADVANCED TECHNOLOGY ASSOCIATES | Business | 184001476-0003 | NAPERVILLE | NOT RENEWED | Verify |
| ADVANCED TECHNOLOGY ASSOCIATES | Business | 184001914-0006 | LISLE | NOT RENEWED | Verify |
| ADVANTAGE CONSULTING ENGINEERS LLC | Business | 184007386-0002 | LEMONT | ACTIVE | Verify |
| AECOM CO | Business | 184001570-0002 | GLEN ELLYN | NOT RENEWED | Verify |
| AED INC | Business | 184004667-0002 | NORTHBROOK | NOT RENEWED | Verify |
| AED INC | Business | 184002655-0004 | NORTHBROOK | NOT RENEWED | Verify |
| AENON CONSULTANTS LTD | Business | 184003834-0002 | BOLINGBROOK | NOT RENEWED | Verify |
| AES CONSULTANTS LTD | Business | 184000460-0004 | WOODSTOCK | ACTIVE | Verify |
| AES SERVICES INC | Business | 184003052-0014 | CHICAGO | NOT RENEWED | Verify |
| AFM ARCHITECT | Business | 184008389-0001 | PALOS PARK | NOT RENEWED | Verify |
| AG FACILITY ENGINEERS PC | Business | 184008187-0002 | BLOOMINGTON | NOT RENEWED | Verify |
| AGA ARCHITECTURAL DESIGN INC | Business | 184003598-0001 | MCHENRY | NOT RENEWED | Verify |
| AGAMA DESIGNS ARCHITECTURE INC | Business | 184007710-0001 | YORKVILLE | ACTIVE | Verify |
| AGGREGATE STUDIO, PLLC | Business | 184008951-0001 | CHICAGO | ACTIVE | Verify |
| AGRI ENGINEERING, PLLC | Business | 184009442-0002 | BLOOMINGTON | ACTIVE | Verify |
| AHG STRUCTURAL ENGINEERING | Business | 184003872-0005 | CHICAGO | NOT RENEWED | Verify |
| AHG STRUCTURAL ENGINEERING PC | Business | 184004395-0005 | CHICAGO | NOT RENEWED | Verify |