EnerNOC is among the largest providers of energy intelligence software and services for commercial, institutional, and industrial customers, as well as electric power grid operators and utilities. It chiefly provides energy intelligence software and services. EnerNOC was first established by Timothy G. Healy and David Brewster, as EnerNOC, LLC in New Hampshire from December 2001 until June 2003. On June 5, 2003 EnerNOC was incorporated in Delaware. Today their corporate headquarters is at One Marina Park Drive, Suite 400, Boston, Massachusetts 02210. EnerNOC went public in 2007 on the NASDAQ stock exchange at US$26 per share followed by a rally to US$50 per share in spite of reporting two consecutive annual losses. EnerNOC provided the strongest IPO by percentage increase in the green energy sector for the year. The offering included 3.75 million shares. US$98 million was raised with underwriters Credit Suisse and Morgan Stanley.