Mass High Tech: "Solar Panel Installers Jump 200% Under Mass. Program" December 5, 2008. In North Andover, Nexamp Inc. is among the fastest growing “newbies” in the industry. Founded three years ago, the company has gone from 10 employees last year to 25 today, focusing on both the logistics of getting a solar system up and running, as well as the actual installations. Link to Article.