MARLBOROUGH, MA – DownStream Technologies today reported 2010 sales increased 18% compared to 2009.

The privately held firm, which develops printed circuit board post-processing software, cited a 57% increase in sales of its automated documentation software BluePrint-PCB, especially from the military/aerospace segment.

In addition, DownStream’s signature CAM350 tool saw sales increase 20% in China.

DownStream is cautiously optimistic for 2011, with new versions of both products not receiving as much enthusiasm, according to founder Rick Almeida.