Horner & Shifrin, Inc., is a multidisciplinary professional services firm with offices in St. Louis, O'Fallon, and Poplar Bluff, Missouri, Chicago, Marion, and O’Fallon, Illinois, and Bentonville, Arkansas.

As a 100-percent employee-owned corporation with a staff of more than 100 engineers, technicians and support personnel, our firm has the experience and capability to serve a wide variety of clients in Missouri, Illinois, Arkansas and throughout the Midwest, including city, county, state and federal government agencies, industries, utilities and commercial enterprises. 

Founded in 1933 by W.W. Horner and H. Shifrin, we offer engineering services in all phases of a project, including feasibility, planning, development, design and construction services for the design of wastewater or water treatment plants and/or collection or distribution systems, flood protection, storm drainage, pump stations, roads, highways, bridges, grade separations for railroads, port facilities, health care facilities, industrial and business park developments, and GIS Systems / hosting, and surveying.  In addition, we provide mechanical and electrical engineering services, including plumbing; fire protection; heating, ventilation and air conditioning; energy audits and energy conservation; electrical distribution and backup power supply; lighting and alarm systems.

Construction

Consulting

Engineering

Professional Services

Utilities

Horner & Shifrin, Inc.

Cirila Sepulveda

Jeff Stahlhuth

Cynthia H.k. Baumann

Courtney Dickerson

Steve Randolph

Amanda Payne

Ramin Ashrafzadeh P.e.

Horner & Shifrin, Inc.

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