EOR LIQ Database

Firms listed (in alphabetical order) have submitted LIQ packets in accordance with the PBC’s open call for Letters of Interest and Qualifications. For more information, check out our Engineers page.

ABNA Engineering

AECOM Technical Services, Inc.

Alpha Commissioning Engineers, Inc.

APEX Consulting Engineers

Atlas Engineering Group

Bloom Companies, LLC

Cannon Design

CDM Smith

CivCon Services, Inc.

David Engineering, LLC

David Mason & Associates of Illinois, Ltd.

DB Sterlin Consultants, Inc.

Delta Engineering, Inc.

Dynacept Inc.

ECS Midwest, LLC

Environmental Design International, Inc. – Surveyor

exp U.S. Services Inc.

FIX Consulting

Ghafari Associates, LLC

Globetrotters Engineering Corp.

Gloger Engineers Limited


GSG Consultants, Inc.

Harry O. Hefter Associates, Inc.

HBK Engineering, LLC

Henneman Engineering, Inc.

IBC Engineering Services

Infrastructure Engineering, Incorporated

Kaltsouni Mehdi Inc.

Knight E/A, Inc.

Larson Engineering, Inc.

Melvin Cohen & Associates

MEP Infrastructure Solutions

Milhouse Engineering & Construction

NASHnal Soil Testing, LLC

Primera Engineers, Ltd.

Raths, Raths & Johnson

Rubinos & Mesia Engineers, Inc.


Simpson Gumpertz & Heger

SINGH + Associates

Skidmore, Owings & Merrill LLP

Solved Engineering

SPAAN Tech, Inc.


Techknow Engr

Terra Engineering, Ltd.

Walker Restoration Consultants

WJE (Wiss, Janney, Elstner Associates, Inc.)

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The Architects of Record Database can be found here.

Questions about this list? View our Frequently Asked Questions or contact us at liq@pbcchicago.com.

Is there an error in your firm’s information? If so, please fill out a Contact Details Update Form and send it to liq@pbcchicago.com.