CONCENTRATIONS

9 Months Ended

12 Months Ended

Sep. 30, 2011

Dec. 31, 2010

CONCENTRATIONS

9.  CONCENTRATIONS

 During the three and nine months ended September 30, 2011, 41.03% and 41.20% of revenues respectively, were derived from one customer.

During the three and nine months ended September 30, 2010, respectively, 39.83% and 39.45% of revenues respectively, were derived from one customer.

At September 30, 2011 a single customer balance accounted for 19.03% of the total trade receivables balance.  At September 30, 2010, a single customer balance accounted for 12.02% of the trade receivables balance.

13.  CONCENTRATIONS

During 2010, 53% of revenues were derived from five customers: 43%, 3%, 3%, 2% and 2%.  During 2009, 48% of revenues were derived from six customers at 34%, 4%, 3%, 3%, 2% and 2%.

The Company’s major product lines in 2010 and 2009 were external power, internal power, electro-mechanical and test & measurement systems.

At December 31, 2010, of the gross trade accounts receivable from continuing operations totaling $3,947,735, 47% was due from seven customers:  28%, 4%, 4%, 3%, 3%, 3% and 2%.  At December 31, 2009, of the gross trade accounts receivable from continuing operations totaling $3,316,863, 40% was due from four customers:  21%, 8%, 8% and 3%.