Rockford, Rock River Valley, Northern Illinois Engineers, Professional

Chastain & Associates LLC

6832 Stalter Dr Ste 100
Rockford, IL 61108

Paula Lawson

(815) 489-0050

Member Since: 2013

Chastain is a professional engineering firm providing a wide variety of engineering services from simple location of lot pins to multi-million dollar design and construction projects.

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Larson & Darby Group

4949 Harrison Ave Ste 100
Rockford, IL 61108

Stephen Nelson

(815) 484-0739

Member Since: 1970

Larson & Darby Group is an award-winning, full-service architecture, engineering and interior design firm.

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Fehr Graham

200 Prairie St Ste 208
Rockford, IL 61107

Ross Grimes

(815) 394-4700

Member Since: 1985

Fehr Graham is more than an engineering and environmental consulting firm. We are a team of experts across many disciplines who work together to solve problems and improve the quality of life in the communities in which our clients live, work & play

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Engineering Enterprises, Inc.

124 N Water St Ste 306
Rockford, IL 61107

Tim Holdeman

(630) 466-6700

Member Since: 2021

Since our founding in 1974, Engineering Enterprises, Inc. has been committed to quality, service, and value as we perform civil engineering and land surveying services for both public and private sector clients in northern Illinois.