Powerful Local Environmental Resources Join Terracon Network

By on January 10, 2019

St. John-Mittelhauser & Associates Inc. (SMA) is pleased to announce it has joined Terracon Consultants Inc., a leading national provider of environmental, facilities, geotechnical, and materials engineering services.

Founded in 2007, SMA leverages decades of experience to deliver environmental consulting, investigation, remediation, data management and 3D visualization solutions to clients from its headquarters in Chicago (Downers Grove, Ill.) and offices in St. Louis (Hartford, Ill.), Rockford, Ill., and Indianapolis. SMA serves clients including industrial manufacturers, insurance companies, real estate developers, state and local agencies, and energy companies.

“Our history is built upon strong client relationships, proven expertise and high quality of services,” said Ron St. John, PHG, CPG, co-founder and principal hydrogeologist. “We are excited to offer our clients the benefits of joining Terracon’s national network, including greater resources and a broader range of services.”

The company and its 31 employees, including geologists, engineers, scientists, field professionals, data analysts and administrative staff, will continue to serve clients locally as St. John-Mittelhauser & Associates, A Terracon Company.

“SMA brings a wealth of experience and ‘bench strength’ to our environmental practice in the region,” said Matt Catlin, P.E., Terracon central division manager. “Their depth of expertise in remediation, site investigation, expert witness and other high-end environmental consulting will complement Terracon’s environmental services to clients locally and nationwide.”

The new acquisition is supported by Terracon’s existing offices in Glendale Heights and Rockford, Ill., Indianapolis, and St. Louis. SMA is Terracon’s sixth acquisition since the beginning of 2017. The company’s locations have joined other local Terracon locations, specializing in environmental services in the Upper Midwest region.

Terracon is an employee-owned consulting engineering firm with more than 4,000 employees providing environmental, facilities, geotechnical, and materials services from more than 140 offices with services available in all 50 states. Terracon currently ranks 24th on Engineering News-Record’s list of the Top 500 Design Firms.


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