Consultant Pre-Qualification Information

Plan ABNA Engineering, Inc. St. Louis MO Y 2/27/19 12/14/18 5/1/2020 2/16/2019 2/16/2019 Access Engineering, LLC St. Louis MO Y 2/7/19 8/16/19 5/1/2020 AECOM Technical Services, Inc. Chicago IL N 3/9/19 5/20/19 5/1/2019 6/5/2020 10/20/2020 Affinis Corporation Overland Park KS N 5/24/19 6/28/19 5/1/2019 11/18/2018 11/16/2018 Alfred Benesch & Company Chicago IL N 11/2/18 12/14/18 5/1/2020 12/12/2020 10/20/2018 Allgeier, Martin & Associates, Inc. Joplin MO N 5/24/19 8/22/19 5/1/2018 Allstate Consultants, LLC Columbia MO N 6/21/19 7/31/19 5/1/2019 Alta Planning + Design Wildwood MO N 2/21/19 6/20/19 5/1/2019 Anderson Engineering, Inc. Springfield MO N 3/15/19 5/2/19 5/1/2020 1/11/2021 1/26/2019 Applied Pavement Technology, Inc. Urbana IL N 4/10/19 6/8/19 Applied Research Associates Champaign IL N 5/9/19 4/20/19 Archaeological Research Center of St. Louis, Inc. St. Louis MO Y 10/18/18 1/24/19 Architectrural & Historical Research, LLC Kansas City MO 8/16/19 Artisan Consulting Engineers St. Charles MO Y 6/2/18 3/6/19 Atkins North America, Inc. Tampa FL N 6/19/19 10/6/18 Bacon Farmer Workman Engineering & Testing Paducah KY N 6/20/19 6/28/19 12/23/2018 12/23/2018 Baer Engineering, LLC Perryville MO N 6/12/18 1/2/19 5/1/2019 Barr Engineering Jefferson City MO N 4/30/19 2/27/19 Bartlett & West, Inc. Topeka KS N 9/12/18 12/14/18 5/1/2019 10/16/2018 10/16/2018 Bax Engineering Company St. Charles MO N 12/26/18 3/7/19 5/1/2019 Benham Design, LLC St. Louis MO N 8/22/18 12/14/18 Bike Walk KC Kansas City MO 8/13/19 Bowlby & Associates, Inc. Nashville TN N 4/10/19 8/22/19 Bowen Engineering & Surveying, P.C. Cape Girardeau MO N 7/20/19 8/29/19 5/1/2019 Brungardt Honomichl & Company Overland Park KS N 2/4/19 8/16/19 5/1/2020 Buescher Frankenberg Associates, Inc. (BFA) Washington MO N 4/16/19 6/20/19 5/1/2019 Burns & McDonnell, Inc. Kansas City MO N 3/21/19 6/20/19 5/1/2020 11/16/2018 11/16/2018 Cambridge Systematic, Inc. Cambridge MA N 4/9/19 5/16/19 Cardno, Inc. formerly TBE Group, Inc. dba Cardno TBE St. Louis MO N 1/9/19 3/7/19 5/1/2019 CB Engineering, Inc. dba Cochran Union MO N 7/23/19 9/11/18 5/1/2019 CBB (See below - George L. Crawford & Associates) CDG Engineers, Inc. St. Louis MO N 6/18/19 6/18/19 5/1/2020 1/26/2019 12/22/2019 CDM Smith (formerly Wilbur Smith Associates, Inc.) Kansas City MO N 10/11/18 7/23/19 5/1/2018 11/9/2015 12/20/2015 CEM ENGINEERING, LLC VALLEY PARK MO N 5/23/19 10/2/18 Center for Archaeological Research - MSU Springfield MO N 5/19/18 10/18/18 CH2M Hill, Inc. St. Louis MO N 6/14/19 6/28/19 5/1/2019 1/30/2020 1/30/2020 Civil Design, Inc. St. Louis MO Y 4/10/19 7/30/19 5/1/2019 10/11/2020 10/19/2019 Civil & Environmental Consultants, Inc. Pittsburgh PA N 6/16/16 6/8/19 CJW Transporation Group Springfield MO N 1/30/19 7/30/19 5/1/2020 Page 1 10/2/2018

Plan Cochran (See - CB Engineering, M Engineering, and SC Engineering) Cole & Associates, Inc. St. Louis MO N 1/26/19 5/2/19 5/1/2019 Collins Engineers, Inc. Chicago IL N 4/3/19 7/23/19 10/6/2019 11/5/2018 Cook, Flatt & Strobel Engineers, P.A. Topeka KS N 5/23/19 1/2/19 5/1/2020 3/15/2019 3/15/2019 Crafton, Tull and Associates, Inc. Rogers AR N 4/10/2019 12/14/18 5/1/2018 10/13/2018 10/13/2018 Crawford, Murphy & Tilly, Inc. St. Louis MO N 1/2/19 7/23/19 5/1/2019 10/9/2018 11/12/2018 Cribb Philbeck Weaver Group (CPWG) Tampa FL N 6/8/19 Crockett Geotechnical - Testing lab Columbia MO N 8/8/18 Crockett Engineering Consultants Columbia MO N 8/8/18 Custom Engineering, Inc. Independence MO Y 1/11/19 4/20/19 5/1/2020 David Mason & Associates, Inc. St. Louis MO Y 6/22/19 6/28/19 5/1/2019 4/4/2019 4/4/2019 EcoAnalysts, Inc. (formerly Ecological Specialists, Inc.) O'Fallon MO N 4/12/19 pending 5/1/2018 EDM Incorporated St. Louis MO N 10/20/18 12/13/18 5/1/2019 EFK Moen, LLC St. Louis MO Y 4/6/19 7/31/19 5/1/2019 9/25/2021 9/25/2021 Engineering Design Source, Inc. Chesterfield MO Y 3/20/19 8/29/19 5/1/2020 10/2/2020 10/2/2020 Engineering Surveys & Services, LLC Columbia MO N 3/1/19 12/12/18 5/1/2019 Exp U.S. Services, Inc. Chicago IL N 3/19/19 10/5/18 5/1/2019 6/8/2019 6/8/2019 Farnsworth Group, Inc. St. Louis MO N 12/7/18 12/14/18 5/1/2019 8/23/2019 9/6/2019 Fisher and Arnold, Inc. Memphis TN N 11/28/18 1/24/19 Foth Infrastructure & Environment, LLC De Pere WI N 6/20/19 Frontenac Engineering Group St. Louis MO N 6/13/18 11/14/18 5/1/2020 Gannett Fleming, Inc. Austin TX N 5/16/19 7/23/19 Garver, LLC Kansas City MO N 4/25/19 pending 5/1/2019 9/6/2019 9/6/2019 George Butler Associates, Inc. Lenexa KS N 9/20/19 5/2/19 5/1/2020 12/18/2018 12/18/2018 George L. Crawford & Associates dba CBB St. Louis MO N 3/27/19 5/21/19 5/1/2019 GBA Systems Integrators, LLC Lenexa KS N 9/20/19 5/23/19 5/1/2020 GeoEngineers, Inc. Springfield MO N 6/20/19 6/28/19 5/1/2019 Geotechnology, Inc. St. Louis MO N 4/18/19 6/20/19 5/1/2019 Glasper Professional Services St. Louis MO Y 5/12/19 10/5/18 5/1/2019 Gonzalez Companies, LLC St. Louis MO Y 6/27/18 6/8/19 5/1/2020 Great River Associates, Inc. Springfield MO N 5/24/19 5/30/19 5/1/2020 11/14/2019 11/14/2019 Gredell Engineering Resources, Inc. Jefferson City MO N 9/27/18 10/6/18 5/1/2018 Hanson Professional Services, Inc. St. Louis MO N 5/18/19 6/20/19 5/1/2020 11/16/2018 12/18/2018 Hardesty & Hanover, LLC New York NY N 7/31/19 Hart Engineering, LLC St. Louis MO Y 4/13/19 5/2/19 5/1/2019 HB-A Consulting Columbia MO Y 1/17/19 2/28/19 HDR Engineering, Inc. Kansas City MO N 1/30/19 5/23/19 5/1/2020 11/13/2018 12/29/2018 HG Consult, Inc. Kansas City MO Y 4/9/19 pending 5/1/2019 11/17/2019 11/17/2019 HNTB Corporation Kansas City MO N 5/1/19 5/16/19 5/1/2020 11/3/2018 11/3/2018 Horner & Shifrin, Inc. St. Louis MO N 12/18/18 6/4/19 5/1/2019 10/6/2018 12/22/2018 Howe Company, LLC Macon MO N 8/8/19 1/24/19 5/1/2020 4/19/2019 4/12/2019 HR Green, Inc. St. Louis MO N 7/20/19 7/23/19 5/1/2019 9/18/2021 9/18/2021 Hurst-Rosche, Inc. Arnold MO N 6/27/19 7/30/19 5/1/2019 12/22/2018 12/22/2018 H.W. Lochner, Inc. Kansas City MO N 7/27/19 8/29/18 5/1/2020 11/19/2018 11/19/2018 Infrastructure Engineers Spartanburg SC N 12/18/18 8/8/19 1/4/2019 1/4/2019 Intuition & Logic Engineering Inc. St. Louis MO N 1/9/19 2/28/19 Page 2 10/2/2018

Stephanie D. Ireland, Inc. d/b/a Ireland Architects, Inc. Springfield MO Y 9/26/19 1/16/19 Iteris, Inc. Lincoln NE N 9/21/18 10/5/18 5/1/2019 Plan Jacobs Engineering Group Inc., Buildings and Infrastructure Americas Design St. Louis MO N 11/8/18 5/2/19 5/1/2019 11/13/2018 11/13/2018 Juneau Associates Inc., P.C. St. Louis MO N 5/25/19 7/31/19 5/1/2019 10/15/2018 10/15/2018 Jviation, Inc. Denver CO N 6/1/19 7/23/19 5/1/2019 Kaskaskia Engineering Group, LLC Belleville IL Y 11/8/18 7/23/19 5/1/2019 1/26/2021 9/29/2019 Kapsch TrafficCom USA, Inc. (formerly Schneider Electric Mobility NA and Telvent Services, Inc.) Rockville MD N 6/9/18 4/20/19 Kimley-Horn and Associates, Inc. Phoenix AZ N 11/10/17 5/30/19 Kivindyo Engineering Services St. Louis MO Y 11/16/18 6/8/19 5/1/2017 Klingner & Associates, P.C. Hannibal MO N 12/1/18 2/27/19 5/1/2019 7/5/2019 7/5/2019 Koehler Engineering & Land Surveying Cape Girardeau MO N 5/1/19 3/6/19 5/1/2019 Kuhlmann Design Group, Inc. Maryland Heights MO N 5/1/20 7/23/19 5/1/2020 11/9/2015 11/9/2015 Lambert Engineering & Surveying, LLC Sikeston MO N 4/18/19 1/24/19 5/1/2020 Lamp Rynearson & Associates, Inc. d/b/a Larkin Lamp Rynearson Kansas City MO N 6/6/18 4/10/19 5/1/2019 Leigh & O'Kane, LLC Kansas City MO Y 6/25/19 7/30/19 5/1/2018 8/3/2019 6/2/2019 Lochmueller Group, Inc. St. Louis MO N 7/26/19 7/23/19 5/1/2020 10/20/2018 11/19/2018 M Engineering dba Cochran Wentzville MO N 6/26/19 7/25/19 5/1/2019 M3 Engineering St. Louis MO Y 5/29/19 8/22/19 5/1/2018 Marino Engineering Associates, Inc. St. Louis MO N 6/27/19 8/22/19 McClelland Consulting Engineers, Inc. Little Rock AR N 4/18/17 7/30/19 McClure Engineering Clive IA N 4/5/19 2/28/19 5/1/2019 5/17/2021 5/17/2021 MECO Engineering Company, Inc. Hannibal MO N 3/9/19 5/16/19 5/1/2019 Merge Midwest Engineering, LLC Olathe KS Y 2/2/19 3/6/19 5/1/2020 Michael Baker Corp. dba Michael Baker International Beaver PA N 7/21/18 7/23/19 5/16/2019 5/16/2019 Midland Surveying, Inc. Maryville MO N 4/9/19 pending Millennia Professional Services of Illinois, Ltd. St. Louis MO Y 5/24/19 8/29/19 5/1/2019 Modjeski and Masters, Inc. Mechanicsburg PA N 4/9/19 12/14/18 5/1/2020 3/27/2020 2/1/2019 Mustardseed Cultural & Environmental Services, LLC Kansas City MO Y 3/15/19 5/2/19 Oates Associates, INC Collinsville IL N 1/12/19 pending 11/2/2018 11/2/2018 Olsson Associates, Inc. (OEI) Kansas City MO N 11/8/18 pending 5/1/2020 5/30/2020 12/23/2018 O.R. Colan Group St. Charles MO N 3/21/19 3/26/19 Palmerton & Parrish, Inc. Springfield MO N 4/9/19 8/21/19 Pangea Engineering & Surveying St. Louis MO N 6/19/18 1/2/19 Parsons Transportation Group, Inc. Chesterfield MO N 6/13/19 6/28/19 5/1/2019 12/2/2018 12/3/2018 Patti Banks Associates dba Vireo Kansas City MO Y 5/1/19 5/30/19 Payken Consulting, LLC St. Louis MO N 6/29/18 7/31/19 Pickett, Ray & Silver, Inc. St. Peters MO N 6/20/18 10/18/18 Poepping, Stone, Bach & Associates Hannibal MO N 6/5/19 8/13/19 5/1/2019 7/25/2021 11/10/2018 Powell CWM, Inc. (formerly Powell and Associates) Blue Springs MO N 3/12/19 2/28/19 5/1/2019 Prairie Engineers of Illinois, P.C. Columbia IL Y 4/13/19 6/20/19 5/1/2019 7/5/2021 7/5/2021 Premier Engineering Kansas City MO Y 6/15/18 11/20/18 10/4/2019 10/4/2019 Page 3 10/2/2018

Plan Quantum Spatial, Inc. Sheboygan Falls WI N 4/13/19 6/20/19 Quigg Engineering Inc. St. Louis MO Y 9/19/19 pending 10/6/2019 10/6/2019 Rhodes Engineering Company, Inc. Brookfield MO N 10/17/18 12/13/18 5/1/2019 Ross & Baruzzini, Inc. St. Louis MO N 8/8/18 12/14/18 RS&H, Inc. (formerly Reynolds, Smith and Hills, Inc.) St. Charles IL N 8/31/19 pending 12/30/17 1/16/16 1/16/16 Sabur Surveying, Inc. (dba Sabur, Inc.) St. Louis MO Y 9/25/18 12/13/18 5/1/2019 SC Engineering (dba Cochran) Fenton MO N 6/6/19 7/17/19 5/1/2019 10/6/2019 10/13/2019 SCI Engineering, Inc. St. Charles MO N 6/14/19 pending 5/1/2019 SE3, LLC Kansas City MO Y 6/5/19 7/31/19 5/1/2019 1/11/2021 1/11/2021 SH Smith & Company Poplar Bluff MO N 1/4/19 7/17/19 5/1/2019 6/7/2021 6/7/2021 Shafer, Kline & Warren, Inc. Lenexa KS N 8/30/18 1/23/19 5/1/2020 11/16/2018 12/23/2018 Shaffer & Hines, Inc. Nixa MO Y 7/23/19 9/11/18 5/1/2019 Shannon & Wilson, Inc. St. Louis MO N 11/8/18 1/24/19 5/1/2020 Shockey Consulting Services, Inc. Lenexa KS Y 7/2/19 8/16/19 Singh & Associates, Inc. Chicago IL Y 8/14/18 1/24/19 SK Design Group Overland Park KS Y 5/25/19 pending 5/1/2019 Snyder & Associates, Inc. St. Joseph MO N 3/18/19 5/3/19 5/1/2019 3/25/2019 4/16/2021 Stantec Consulting Services, Inc. St. Louis MO N 10/10/15 7/23/19 St. Charles Engineering & Surveying, Inc. St. Charles MO N 8/17/18 1/9/19 5/1/2020 Stock and Associates Chesterfield MO N 9/18/19 11/14/18 5/1/2019 Structures, Inc. St. Louis MO N 7/30/19 8/29/19 5/1/2020 9/26/2019 9/26/2019 STV Inc. Overland Park KS N 12/11/18 3/26/19 5/1/2018 10/6/2019 10/14/2019 Surdex Corporation Chesterfield MO N 4/7/18 pending Surveying and Mapping, Inc. dba SAM, Inc. St. Louis MO N 10/24/18 7/23/19 SWT Design, Inc. Shrewsbury MO N 6/21/19 7/31/19 5/1/2020 Taliaferro & Browne, Inc. Kansas City MO Y 5/10/19 pending 5/1/2020 Taylor Engineering, LLC Farmington MO N 6/6/19 7/31/19 5/1/2019 Terra Engineering, Ltd Chicago IL N 6/1/19 7/31/19 5/1/2020 6/21/2021 6/21/2021 Terracon Consultants, Inc. Columbia MO N 1/10/19 6/28/19 5/1/2019 Tetra Tech, Inc. Kansas City MO N 1/10/19 3/26/19 5/1/2018 6/15/2021 4/20/2019 Thompson Civil, LLC St. Louis MO Y 7/3/19 9/11/19 5/1/2019 Thouvenot, Wade & Moerchen, Inc. St. Louis MO N 2/2/19 7/17/19 5/1/2020 11/13/2018 11/13/2018 Louis Berger U.S., Inc. (Formerly The Louis Berger Group, Inc.) Kansas City MO N 4/23/19 2/28/19 11/13/2015 4/15/2016 The Traffic Group Baltimore MD N 8/8/19 The Transtec Group, Inc. Austin TX Y 9/26/19 5/30/19 Toole Design Group, LLC Silver Spring MD Y 2/12/19 3/7/19 Toth & Associates, Inc. Springfield MO N 6/27/19 1/24/19 5/1/2019 TranSystems Corporation Kansas City MO N 12/6/18 5/2/19 5/1/2020 11/16/2018 11/16/2018 TREKK Design Group, LLC Kansas City MO Y 4/16/19 1/24/19 5/1/2020 UNIVERSAL FIELD SERVICES, INC. Tulsa OK N 4/20/19 Veenstra & Kimm, Inc. Liberty MO N 4/10/19 12/14/18 5/1/2019 11/12/2018 12/28/2018 Volkert, Inc. Jefferson City MO N 5/1/19 5/23/19 5/1/2019 11/10/2019 11/10/2019 VonArx Engineering, Inc. Hillsboro MO N 3/9/19 3/26/19 VSM Engineering LLC Kansas City MO Y 10/26/18 1/2/19 5/1/2019 Walter P. Moore & Associates Kansas City MO N 10/31/18 1/23/19 5/1/2019 Waters Engineering, Inc. Sikeston MO N 6/19/19 7/30/19 5/1/2019 Weis Design Group Ellisville MO N 11/21/18 1/23/19 5/1/2019 Page 4 10/2/2018

Plan Wilson & Company, Inc. Kansas City MO N 1/23/19 7/23/19 5/1/2019 3/31/2019 3/31/2019 Wiss, Janney, Elstner Associates, Inc. Northbrook IL N 9/29/18 10/6/18 10/26/2019 10/26/2019 Wood Environment & Infrastructure Solutions, Inc. formerly, AMEC Foster Wheeler Environment & Infrastructure Ballwin MO N 2/22/19 8/8/19 5/1/2019 12/17/2018 12/17/2018 Woolpert, Inc. St. Louis MO N 2/14/19 pending WSP USA St. Louis MO N 8/7/19 9/11/19 5/1/2020 4/8/2019 6/20/2019 Zahner & Associates, Inc. Perryville MO N 4/10/19 Page 5 10/2/2018