CEMCON, Ltd.

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2280 White Oak Circle, Suite 100
Aurora, IL 60502

Matthew Worline

Member Since: 2008

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Clayco/CRG

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35 East Wacker Drive, Suite 1300
Chicago, IL 60601

Mary Person

312-216-5451

Member Since: 2020

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Farnsworth Group, Inc.

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18311 N. Creek Drive, Suite F
Tinley Park, IL 60477

Ken Chastain

Member Since: 2006

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HDR, Inc.

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9450 W Bryn Mawr Avenue
Rosemont, IL 60018

Brendan Daly

773-380-7900

Member Since: 2022

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Jacobs

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525 W. Monroe Street
Chicago, IL 60661

Michael Houston

312.251.3000

Member Since: 2020

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TWiG Technologies

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129 Capista Drive
Shorewood, IL 60404

Joe Hammer

(815) 744-6600

Member Since: 1990

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Willett, Hofmann & Associates

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3180 Theodore Street
Joliet, IL 60435

Daniel Malinowski, P.E.

Member Since: 2011

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