On-Call Design Consultants

Bridge

Bridge Deck Surveys

Alfred Benesch & Company

Infrasense, Inc.

SCI Engineering, Inc. 

Terracon Consultants, Inc.

Wiss, Janney, Elstner Associates, Inc.

Bridge Design

Bacon Farmer Workman Engineering & Testing, Inc.

Bartlett & West, Inc.

Civil Design, Inc.

Crawford, Murphy & Tilly, Inc.

EFK Moen, LLC

EXP U.S. Services Inc.

Garver, LLC

George Butler Associates, Inc.

GFT Infrastructure, Inc.

H.W. Lochner, Inc.

Hanson Professional Services Inc.

HDR Engineering, Inc

Hg Consult, Inc.

HNTB Corporation

Horner & Shifrin, Inc.

HR Green, Inc.

Jacobs Engineering Group, Inc.

JEO Consulting Group, Inc.

Kimley-Horn and Associates, Inc.

Modjeski and Masters, Inc.

Oates Associates, Inc.

Olsson, Inc.

Parsons Transportation Group, Inc.

Thouvenot, Wade & Moerchen, Inc. (TWM, Inc.)

TREKK Design Group, LLC

Veenstra & Kimm, Inc., A Kleinfelder Company

Wilson & Company, Inc., Engineers & Architects

Wiss, Janney, Elstner Associates, Inc.

Environmental

Environmental Cultural Resources

Burns & McDonnell Engineering Company, Inc

HNTB Corporation

SCI Engineering, Inc. 

Terracon Consultants, Inc.

WSP USA Inc.

Environmental Endangered Species

BioSurvey Group LLC

Crafton, Tull & Associates, Inc.

Crawford, Murphy & Tilly, Inc.

HDR Engineering, Inc

Parametrix, Inc.

Prairie Engineers, P.C.

Environmental - NEPA

CDM Smith Inc.

Crawford, Murphy & Tilly, Inc.

Garver, LLC

HNTB Corporation

SCI Engineering, Inc. 

Environmental - Noise Studies

HDR Engineering, Inc

HNTB Corporation

HR Green, Inc.

Merge Midwest Engineering, LLC

SCI Engineering, Inc. 

General Services

General Services - Interior Design

Bartlett & West, Inc.

BG Consultants, Inc.

CDG Engineers, Inc.

Crawford, Murphy & Tilly, Inc.

Farnsworth Group, Inc.

George Butler Associates, Inc.

Hurst-Rosche, Inc

Klingner & Associates, P.C.

MECO Engineering Company, Inc.

Shive-Hattery, Inc.

General Services - Civil/Structural

Alfred Benesch & Company

Bartlett & West, Inc.

BG Consultants, Inc.

Civil Design, Inc.

Cole & Associates, Inc.

Cook, Flatt & Strobel Engineers, P.A.

Crawford, Murphy & Tilly, Inc.

HDR Engineering, Inc

Horner & Shifrin, Inc.

Klingner & Associates, P.C.

McClure Engineering Company dba McClure

MECO Engineering Company, Inc.

OWN, Inc.

Prairie Engineers, P.C.

SE3, LLC

Shive-Hattery, Inc.

SK Design Group, Inc.

SNYDER & ASSOCIATES, INC.

TERRA Engineering, Ltd.

Toth and Associates, Inc.

General Services - Mechanical/Electrical

Alfred Benesch & Company

Bartlett & West, Inc.

BG Consultants, Inc.

Crawford, Murphy & Tilly, Inc.

Custom Engineering, Inc

EDM Incorporated

Farnsworth Group, Inc.

George Butler Associates, Inc.

Gonzalez Companies, LLC

HDR Engineering, Inc

Klingner & Associates, P.C.

Prairie Engineers, P.C.

Wilson & Company, Inc., Engineers & Architects

Geotechnical Engineering Services

Bacon Farmer Workman Engineering & Testing, Inc.

GeoEngineers, Inc.

Hanson Professional Services Inc.

HNTB Corporation

Palmerton & Parrish, Inc.

Reitz & Jens, Inc.

SCI Engineering, Inc. 

Shannon & Wilson, Inc.

Terracon Consultants, Inc.

UES Professional Solutions 25, LLC

Multimodal Planning - Rail & Freight

Burns & McDonnell Engineering Company, Inc

Crawford, Murphy & Tilly, Inc.

GFT Infrastructure, Inc.

HDR Engineering, Inc

Wilson & Company, Inc., Engineers & Architects

Multimodal Planning - Aviation

Alfred Benesch & Company

Garver, LLC

HDR Engineering, Inc

McClure Engineering Company dba McClure

WSP USA Inc.

Value Engineering

AECOM Technical Services, Inc.

Crawford, Murphy & Tilly, Inc.

EFK Moen, LLC

HDR Engineering, Inc

HNTB Corporation

WSP USA Inc.

Right-of-Way

Burns & McDonnell, Inc.

Crawford, Murphy & Tilly, Inc.

Great River Associates, Inc. dba "Great River Engineering"

Hanson Professional Services Inc.

HDR Engineering, Inc.

Lochmueller Group, Inc.

Olsson, Inc.

O.R. Colan Associates. L.L.C.

Universal Field Services, Inc.

Volkert, Inc.

Subsurface Utility Engineering

Bacon Farmer Workman Engineering & Testing, Inc.

Crawford, Murphy & Tilly, Inc.

Surveying and Mapping LLC (SAM)

Terracon Consultants, Inc.

TREKK Design Group, LLC

Traffic

Traffic - Safety & Operation Engineering

Bartlett & West, Inc.

Crawford, Murphy & Tilly, Inc.

Garver, LLC

George L. Crawford & Associates, Inc. / dba CBB

HDR Engineering, Inc

Jacobs Engineering Group, Inc.

JEO Consulting Group, Inc.

Kimley-Horn and Associates, Inc.

Lochmueller Group, Inc.

Olsson, Inc.

Quigg Engineering Inc.

SE3, LLC

TERRA Engineering, Ltd.

TREKK Design Group, LLC

Wilson & Company, Inc., Engineers & Architects

WSP USA Inc.

Traffic - Electrical/ITS Management & Design

AECOM Technical Services, Inc.

Burns & McDonnell Engineering Company, Inc

Garver, LLC

HDR Engineering, Inc

HNTB Corporation

Kimley-Horn and Associates, Inc.

Olsson, Inc.

Wilson & Company, Inc., Engineers & Architects

Traffic - Structures

Burns & McDonnell Engineering Company, Inc

George Butler Associates, Inc.

HDR Engineering, Inc

Horner & Shifrin, Inc.

Kimley-Horn and Associates, Inc.

Olsson, Inc.

Utility Accommodation & Coordination

Bacon Farmer Workman Engineering & Testing, Inc.

Crawford, Murphy & Tilly, Inc.

HR Green, Inc.

Kivindyo Engineering  Services, LLC

Surveying and Mapping LLC (SAM)

TREKK Design Group, LLC

Wilson & Company, Inc., Engineers & Architects

Construction Materials Testing & Inspection

AECOM Technical Services, Inc.

All Civil Engineering, LLC

B&N Capital Suppliers LLC., dba B&N Inspection

Bacon Farmer Workman Engineering & Testing, Inc.

Bartlett & West, Inc.

Basilico Engineering Incorporated

BG Consultants, Inc.

Burns & McDonnell Engineering Company, Inc

CB Engineering, Inc., dba Cochran

Cook, Flatt & Strobel Engineers, P.A.

Crawford, Murphy & Tilly, Inc.

Engineering Design Source, Inc.

Farnsworth Group, Inc.

Garver, LLC

George Butler Associates, Inc.

GFT Infrastructure, Inc.

Gonzalez Companies, LLC

H.W. Lochner, Inc.

HDR Engineering, Inc

Hg Consult, Inc.

HNTB Corporation

Horner & Shifrin, Inc.

HR Green, Inc.

Hutchison Engineering, Inc. 

Klingner & Associates, P.C.

Olsson, Inc.

OWN, Inc.

Palmerton & Parrish, Inc.

Quigg Engineering Inc.

S. H. Smith & Company, Incorporated

SCI Engineering, Inc. 

Shive-Hattery, Inc.

SNYDER & ASSOCIATES, INC.

Surveying and Mapping LLC (SAM)

Terracon Consultants, Inc.

TREKK Design Group, LLC

Volkert, Inc.

Wilson & Company, Inc., Engineers & Architects

UES Professional Solutions 25, LLC

Howe Company, LLC

Roadway Design

AECOM Technical Services, Inc.

Affinis Corp

Alfred Benesch & Company

Bacon Farmer Workman Engineering & Testing, Inc.

Bartlett & West, Inc.

Bax Engineering Company

Burns & McDonnell Engineering Company, Inc

Civil Design, Inc.

Cook, Flatt & Strobel Engineers, P.A.

Crawford, Murphy & Tilly, Inc.

EFK Moen, LLC

Engineering Design Source, Inc.

Farnsworth Group, Inc.

Garver, LLC

George Butler Associates, Inc.

GFT Infrastructure, Inc.

Gonzalez Companies, LLC

H.W. Lochner, Inc.

Hanson Professional Services Inc.

HDR Engineering, Inc

Hg Consult, Inc.

HNTB Corporation

Horner & Shifrin, Inc.

HR Green, Inc.

Hutchison Engineering, Inc. 

IMEG Consultants Corp.

JEO Consulting Group, Inc.

Kimley-Horn and Associates, Inc.

Klingner & Associates, P.C.

Lochmueller Group, Inc.

Modjeski and Masters, Inc.

Oates Associates, Inc.

Olsson, Inc.

OWN, Inc.

Pickering Firm, Inc.

Prairie Engineers, P.C.

Quigg Engineering Inc.

Renaissance Infrastructure Consulting, Inc.

Shive-Hattery, Inc.

SNYDER & ASSOCIATES, INC.

Thouvenot, Wade & Moerchen, Inc. (TWM, Inc.)

TREKK Design Group, LLC

Veenstra & Kimm, Inc., A Kleinfelder Company

Wilson & Company, Inc., Engineers & Architects

WSP USA Inc.

Surveying

Affinis Corp

Bartlett & West, Inc.

Civil Design, Inc.

Cole & Associates, Inc.

Crawford, Murphy & Tilly, Inc.

EFK Moen, LLC

Klingner & Associates, P.C.

Midland Surveying Inc

Oates Associates, Inc.

OWN, Inc.

Powell CWM, Inc.

Prairie Engineers, P.C.

SNYDER & ASSOCIATES, INC.

Surveying and Mapping LLC (SAM)

TREKK Design Group, LLC

Transportation Planning

Burns & McDonnell Engineering Company, Inc

HNTB Corporation