Mailing Address
P O BOX 9150
CAMBRIDGE MA 02142-9150
Business Address
ONE MAIN ST
CAMBRIDGE MA 02142
6172254000
COMMONWEALTH ENERGY SYSTEM (Filer)
CIK: 0000071304 (see all company filings)
IRS No.: 041662010 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-07316 | Film No.: 98748155
SIC: 4931 Electric & Other Services Combined