Vulcan Materials Company is the nation’s largest producer of construction aggregates, primarily crushed stone, sand and gravel, and a major producer of other construction materials including asphalt and ready-mixed concrete. Based in Birmingham, Alabama, Vulcan operates aggregate facilities, serving markets in 20 states, the District of Columbia, Mexico and the Bahamas, and employing over 8,000 dedicated men and women.
Great Lakes Dredge & Dock (GLDD) is the largest provider of dredging services in the United States and the only U.S. company with significant international dredging operations. GLDD employs more than 1,000 dedicated engineering, operations, and support personnel. GLDD has a rich 135-year history of developing and executing successful dredging and marine construction projects, operating the largest and most diverse dredging fleet in the U.S. comprising approximately 200 specialized vessels.
Tidewater was founded in 1932, and has evolved into a multi-commodity transportation and terminal company serving the diverse and evolving transportation needs of the Pacific Northwest.
Headquartered in Vancouver, Washington, Tidewater Barge Lines operates the
largest barge transportation and terminal network on the Columbia-Snake River (CSR) System. Tidewater has been safely, efficiently, and reliably transporting a wide range of commodities and cargos on the CSR System in the Pacific Northwest for over 90 years all the while providing the best possible service and quality customer care. We also own and operate five strategically located terminals and five pipelines with key intermodal connections to railroads, highways, waterways, and other pipelines.