Underground Contractors Association of IL
1051 Perimeter Dr. Suite 1075 · Schaumburg, IL 60173
Phone: 630-467-1919 · Fax: 630-773-4873

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Cotter Consulting, Inc. - Member Since 2022
745 McClintock Dr. Suite 130
Burr Ridge, IL 60527
Phone: 312-758-8838

Contacts:
Name
Title
Phone
Email
Mike Mikaitis
Senior Project Manager
-
m.mikaitis@cotterconsulting.com
Patrick Cotter
Chief Operating Officer
-
p.cotter@cottercsonulting.com
Bradon Pejskar
Group Manager
-
b.pejskar@cotterconsulting.com
Cliton Snider
Director of Marketing
-
c.snider@cotterconsulting.com
Anne Cotter
President
-
a.cotter@cotterconsulting.com

Wipfli LLP - Member Since 2018
1 N. Wacker, Suite 1700
Chicago, IL 60606
Phone: 312-216-1783

Contacts:
Name
Title
Phone
Email
Brad Werner
Partner
815-370-0871
bwerner@wipfli.com

Branch Offices:

1 N. Wacker, Suite 1700
Chicago, IL 60606
Phone: 312-341-0100
Branch Contacts:
Brad A. Werner
Partner
bwerner@wipfli.com

3957 75th Street
Aurora, IL 60504
Phone: 312-216-1783
Branch Contacts:
Brad A. Werner
Partner
bwerner@wipfli.com

18402 W Creek Dr
Tinley Park, IL 60477
Phone: 312-216-1783
Branch Contacts:
Brad A. Werner
Partner
bwerner@wipfli.com

100 Tri-State International, Suite 300
Lincolnshire, IL 60069
Phone: 847-941-0100
Branch Contacts:
Brad A. Werner
Partner
bwerner@wipfli.com


Description:
With over 3,000 associates and 48 offices throughout the United States, Wipfli ranks among the top 20 accounting and business consulting firms in the nation. We enjoy a solid reputation as industry specialists and business advisors to more than 11,500 clients within the real estate and construction industry. Our team of professionals provide a range of solutions including audit and accounting, compliance consulting, cost segregation, research and development tax credit, customer relationship management, technology management, cybersecurity, mergers and acquisitions, state and local tax, property tax review and appeal and valuation and litigation support services. Visit wipfli.com/cre to see how we can help you address financial, operational and management challenges.

PSS Industrial Group - Member Since 2025
10507 Ella Blvd, Ste 100
Houston, TX 77038
Phone: 713-741-8127

Contacts:
Name
Title
Phone
Email
Jake Popp
Midwest Regional Rep
630-488-5678
Jake.Popp@pssigroup.com
Angela Atkinson
VP of Commercial
-
angela.atkinson@pssigroup.com

Description:
Full service supplier to the oil and gas industry, upstream, downstream, and midstream. Gas distribution supplier. Industrial tools and supplies, environmental supplies. Water distribution products.

Mackie Consultants LLC - Member Since 2007
9575 W Higgins Rd | #500
Rosemont, IL 60018
Phone: 847-696-1400
Fax: 847-696-1410

Contacts:
Name
Title
Phone
Email
Martin Burke
President
847-696-1400
mburke@mackieconsult.com
Jeffrey DeRango
Senior Project Surveyor & Operations Manager
847-343-0305
jderango@mackieconsult.com
RJ Consigny
Operations Manager
-
rconsigny@mackieconsult.com
Michael Freidel
Project Surveyor
847-696-1400
mfreidel@mackieconsult.com
Rob Bachkosky
Senior Project Engineer
847-696-1400
rbachkosky@mackieconsult.com

Branch Offices:

500 North Dearborn, Suite 712
Chicago, IL 60654
Phone: 847-696-1400
Fax: 847-696-1410


Description:
Mackie Consultants, LLC is a multidisciplinary consulting firm providing professional engineering, land surveying, construction engineering, and infrastructure support services throughout the Midwest. Our team delivers practical, responsive solutions for municipal, commercial, industrial, residential, and transportation projects — from planning and design through construction and final delivery. Services include boundary and topographic surveying, construction layout, transportation engineering, water resources, site development, structural engineering, utility coordination, 3D laser scanning, drone mapping, and GPS modeling.

Chicago Diamond Supply - Member Since 2026
1034 N. DuPage Ave.
Lombard, IL 60148
Phone: 630-641-9100

Contacts:
Name
Title
Phone
Email
Raffaele Bonomi
Managing Director
630-641-9100
info@chicagodiamondsupply.net

Description:
Manufacturers of utility pipe cutting chains. Diamond blade and core bit sales. Hydraulic and electric cutting tools.