SCI Engineering, Inc. Email Format
Engineering ServicesMissouri, United States51-200 Employees
SCI Engineering, Inc. is a nationwide engineering services firm based in St. Charles, Missouri. It provides a broad spectrum of consulting across all phases of project development, from initial design through construction, with services that include geotechnical, environmental, natural resources, cultural resources, and construction materials testing. Founded in 1978, the company serves a diverse client base across the United States. Operating as a multi-discipline consultancy, SCI integrates technical and regulatory perspectives to support project delivery. It has earned external recognition from professional organizations and media outlets, including a 2026 USA TODAY Top Workplace award. The firm's nationwide reach and multi-disciplinary approach position it to assist clients across sectors with complex, cross-functional project needs.