Orion Marine Group, Inc. (Orion) is a marine specialty contractor serving the heavy civil marine infrastructure market. The Company provides different marine construction services on, over and under the water along the Gulf Coast, the Atlantic Seaboard and in the Caribbean Basin. Orion's customers are federal, state and municipal governments, as well as private commercial and industrial enterprises. Orion acts as a single-source, turnkey solution for its customers’ marine contracting needs. The Company provides dredging, repair and maintenance, and other specialty services. Many of Orion's contracts encompass multiple services within a single project. On February 29, 2008, Orion acquired Subaqueous Service, Inc. (SSI).