
Horner & Shifrin, Inc.
St. Louis, MOHorner & Shifrin is a multidisciplinary professional services engineering firm founded in St. Louis in 1933, offering building systems MEP/FP engineering, water and wastewater, transportation, structural, environmental, geospatial, surveying, and construction services. With nine offices across Missouri, Illinois, and Arkansas and repeat client assignments from 80% of its client base, H&S serves education, government, healthcare, emergency services, utilities, and private markets throughout the Midwest.



