Sully-Miller Contracting Co.
ConstructionCalifornia, United States201-500 Employees
Sully-Miller Contracting Co. is a Southern California-based construction contractor that operates as part of Colas USA. The firm positions itself as a versatile general contractor with expertise across road and highway projects, rail and intermodal work, seaport, airport, federal and military contracts, and specialty construction, supported by its integrated network of related entities. Its operations emphasize project management and self-performance, completing a significant portion of work in-house to maintain control over project execution from procurement through ongoing maintenance. Based in Brea, California, Sully-Miller coordinates resources across its related companies, including a materials arm for hot mix asphalt and aggregate, to deliver a broad spectrum of civil projects. The company serves public and infrastructure-focused clients, and recent developments include new contracts with the Port of Long Beach and the San Bernardino County Transportation Authority, reflecting ongoing engagement with major regional transportation initiatives.