Prism Energy Services specializes in the evaluation, design and installation of energy efficiency measures, for commercial, industrial, and municipal customers. Prism is a Preferred Vendor of these services for New England utilities including National Grid, NSTAR, Unitil, and Public Services of New Hampshire( PSNH). Prism, a certified Woman owned (SOMWBA & WBENC) business, is headquartered in Quincy, MA and has been in business since 1998.