Company Story
1899 - Orion Construction Company was founded by Harry M. Pearce in Tampa, Florida.
1920 - The company was renamed to Pearce-Williford Company.
1940 - The company was renamed to Pearce-Williford-Davis Company.
1960 - The company was renamed to Pearce-Williford-Davis Corporation.
1980 - The company went public with an initial public offering (IPO).
1990 - The company was renamed to Orion Construction Corporation.
2000 - The company was renamed to Orion Marine Group, Inc.
2014 - The company was renamed to Orion Group Holdings, Inc.
2017 - The company acquired TAS Environmental Services, L.P.
2020 - The company acquired the operating assets of TerraSea Environmental Solutions, LLC.