Agencies

• Connecticut Energy Research and Policy Development Unit http://www.opm.state.ct.us/pdpd2/energy/enserv.htm
• Commonwealth of Massachusetts - Division of Energy Resources http://www.state.ma.us/doer
• Directory of Public Utility Commissions http://www.publicutilityhome.com
• Environmental Protection Agency - Energy Star Program http://www.energystar.gov
• Illumination Engineering Society of North America http://www.wneies.org/regindex.html
• Maine Energy Conservation Division http://www.naseo.org/members/states/maine.htm
• New Hampshire Energy Office http://www.naseo.org/members/states/new_hampshire.htm
• New York State Energy Research and Development Authority http://www.nyserda.org
• Rhode Island Energy Office http://www.riseo.state.ri.us
• Vermont Energy Efficiency Division http://www.state.vt.us/psd/ee/ee.htm

Manufacturers

• Advance Transformer http://www.advancetransformer.com
• Magnetek http://www.magnetek.com
• Osram Sylvania http://www.sylvania.com
• Phillips Lighting http://www.lighting.philips.com/nam
• The Wattstopper http://www.wattstopper.com

Utilities

• Allegheny Power System http://www.alleghenypower.com
• Bay State Gas http://www.baystategas.com
• Berkshire Gas http://www.berkshiregas.com
• Central Hudson Gas & Electric Corp http://www.chenergygroup.com/subsidiaries/gas_and_electric/default.stm
• Con Edison http://www.coned.com
• Connecticut Light and Power http://www.cl-p.com
• Gas Networks http://www.gasnetworks.com/index.htm
• Granite State Electric http://www.granitestateelectric.com
• Keyspan Energy http://www.keyspanenergy.com/energy/choose_region.jsp?sect=/energy/index
• Long Island Power Authority http://www.lipower.org
• Massachusetts Electric http://www.masselectric.com
• Nantucket Electric http://www.nantucketelectric.com
• Narragansett Electric http://www.narragansett.com
• New England Gas http://www.negasco.com/neg
• New York State Electric & Gas http://www.nyseg.com
• Niagara Mohawk http://www.niagaramohawk.com
• Northeast Utilities http://www.nu.com
• NSTAR http://www.nstaronline.com
• Public Service of New Hampshire http://www.psnh.com
• United Illuminating http://www.uinet.com
• Unitil http://www.unitil.com