 HOUSTON--BUSINESS WIRE--Orion Group Holdings, Inc. NYSE: ORN the Company a leading specialty construction company, today announced six contract awards in its key markets for its Concrete segment totaling approximately 26 million. The Company was recently awarded two contracts in the Houston, Texas, area including an 8 million contract for the construction of a building as part of a new industrial park and a 9 million contract for the construction of four tilt-wall buildings in a new 