 HOUSTON--BUSINESS WIRE--Orion Group Holdings, Inc. NYSE: ORN the Company a leading specialty construction company, today announced contract awards totaling approximately 35 million. The Companys Marine segment has been awarded four contracts valued at a combined 35 million to perform marine and infrastructure construction work in the gulf coast, as well as in Alaska. In the gulf coast, the Company has been awarded three contracts to construct marine infrastructure for private sector 