8.	MAJOR CUSTOMERS

During the nine months ended September 30, 2012 and 2011, 8% and 10%, respectively, of revenue was directly from the U.S. Government. In addition, during the nine months ended September 30, 2012, the Company's three largest commercial customers accounted for 34%, 18% and 16% of revenue, respectively. During the nine months ended September 30, 2011, the Company's three largest commercial customers accounted for 31%, 30% and 13% of revenue, respectively.

At September 30, 2012 and December 31, 2011, 4.5% and 7.5% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts, respectively, were direct from the U.S. Government.

At September 30, 2012, 42%, 22%, 15% and 11% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were from four largest commercial customers. At December 31, 2011, 40%, 21%, 15% and 13% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were from the Company's four largest commercial customers.

At September 30, 2012, 33%, 29% and 22% of our accounts receivable were from our three largest commercial customers. At December 31, 2011, 36%, 34% and 12% of accounts receivable were from our three largest commercial customers.