NiSource Inc. is a holding company with headquarters in Merrillville, Ind., whose operating companies engage in virtually all phases of the natural gas business from exploration and production to transmission, storage and distribution, as well as electric generation, transmission and distribution. NiSource companies serve a high-growth energy corridor from the Gulf of Mexico to the Midwest to New England.

In 1998 NI merged with Bay State Gas
In 1999 NI merged with TPC
In 1999 NIPSCO Industries was renamed NiSource Inc.
In 2000 NiSource acquired Columbia Energy Group

Bay State Gas Company is among the largest natural gas utilities in New England, with 305,000 customers in 60 cities and towns in Massachusetts, New Hampshire and Maine.

Northern Utilities, Inc. serves more than 46,000 customers in 41 coastal New Hampshire and southern Maine communities. Northern New England is a major growth market as only 17 percent of New Hampshire residents and 2 percent of Maine residents heat with natural gas.

NIPSCO (Northern Indiana Public Service Company) is a regulated electric and natural gas distribution utility serving over 1 million customers across the northern third of Indiana. It is the state's largest natrual gas distribution company and the second largest electric company

The Columbia Gas System includes:

Columbia Gas of Kentucky
Columbia Gas of Maryland
Columbia Gas of Ohio
Columbia Gas of Pennsylvania
Columbia Gas of Virginia
Columbia Service Partners
Columbia Gas Transmission Corporation
Columbia Gulf Transmission Company

Mr. Donald Babcock
Merriville, IN
Phone: 219-647-4975
dlbabcock@nisource.com

http://www.nisource.com