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Natural gas companies

Here, you can see a list of Massachusetts investor-owned and municipal gas companies.

Table of Contents

Investor-Owned Local Distribution Companies

Gas CompanyAddressPhone NumberPHMSA ID
Berkshire Gas Company115 Cheshire Road
Pittsfield, MA 01202
(413) 442-151101344
Eversource Energy (NSTAR Gas Company)247 Station Drive
Westwood, MA 02090
(800) 592-200002652
Eversource Gas Company of Massachusetts (formerly Bay State Gas d/b/a Columbia Gas of Massachusetts)1P.O. Box 2025
Springfield, MA 01102
(800) 688-6160

40196 (distribution and transmission)

40195 (LNG)

Liberty Utilities (Fall River/North Attleboro/Blackstone)2465 Sykes Road
Fall River, MA 02720
(800) 544-494431770
National Grid (Boston Gas Company/Colonial Gas Company)40 Sylvan Road
Waltham, MA 02451
(781) 907-1000

01640 (Boston)

04547 (Boston/Essex)

11856 (Colonial/Lowell)

02066 (Colonial/Cape Cod)

Unitil (Fitchburg Gas and Electric Light Company)285 John Fitch Highway
Fitchburg, MA 01420
(888) 301-770005200

1On October 7, 2020, the Department approved a Settlement Agreement authorizing the sale of Bay State Gas to Eversource Energy.  Eversource Energy/Bay State Gas Company Merger, D.P.U. 20‑59 (October 7, 2020).  The name for Bay State Gas/Columbia Gas of Massachusetts is now Eversource Gas Company of Massachusetts.

2On October 13, 2020, the Department approved the acquisition of Blackstone Gas Company by Liberty Utilities.  Petition of Liberty Utilities for approval by the Department of Public Utilities, pursuant to G.L. c. 164, § 96, of the acquisition of Blackstone Gas Company, D.P.U. 20-03, at n.5 (October 13, 2020).  The name for Blackstone Gas Company is now Liberty Utilities.

Municipal Gas Companies

Gas CompanyAddressPhone NumberPHMSA ID
Holyoke Gas & Electric99 Suffolk Street
Holyoke, MA 01040
(413) 536-930007330
Middleborough Gas & Electric32 South Main Street
Town Hall
Middleborough, MA 02346
(508) 947-137112444
Wakefield Municipal Gas & Light9 Albion Street
Wakefield, MA 01880
(781) 246-636322035
Westfield Gas & Electric Light100 Elm Street
Westfield, MA 01085
(413) 572-010022511

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