Engineering Resource Associates
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Surveying & Mapping

Whether working in tandem with our in-house engineering team or alongside an attorney or contractor, ERA consistently delivers confidence that your project’s success is on solid footing and legally defensible. 

ERA is different for the simple reason that we do more research and have more experience and familiarity with the standards of practice needed to perform our work accurately. We can offer these capabilities because we are at the forefront of surveying education, we are actively involved in state survey associations, we hire highly educated individuals with the requisite communication skills, and we employ an in-house training program so that our skills always remain sharp. These attributes are why engineering firms and contractors rely on ERA to provide them with the right information needed for their work. Confidence and trust is the cornerstone for all that we do.
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As a full-service firm, we offer platting services, topographic surveys, construction layout, ALTA surveys, floodplain certification, boundary surveys, and GPS and GIS services.

Warrenville

3S701 West Avenue
Suite 150
Warrenville, IL 60555

Phone:
​(630) 393-3060


Champaign

2416 Galen Drive
Champaign, IL 61821

Phone:
​(217) 351-6268


Chicago

10 S. Riverside Plaza
Suite 875

Chicago, IL 60606

Phone:
​(312) 474-7841


Milwaukee

342 N. Water Street
Suite 600
​Milwaukee, WI 53202

Phone:
​ (414) 238-9189


Denver

7535 East Hampden Avenue Suite 400
Denver, CO 80231

​​​​​Phone:
​(303) 790-9500

Contact Us

Office Hours: 8:00 am - 5:00 pm