10. REVENUES FROM MAJOR CUSTOMERS

The Company’s customer base is primarily concentrated in the oil and gas and marine industries. The Company is not dependent on any one customer, and the revenue earned from each customer varies from year to year based on the contracts awarded; however, the Company is highly dependent on a few large customers in each year, particularly customers for our major deepwater projects, as shown below. Revenues from customers comprising 10% or more of the Company’s total revenue for the years ended December 31 are summarized as follows (in thousands):