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EXHIBIT 21-1
LIST OF MCN SUBSIDIARIES
MCN CORPORATION (MCN) is a holding company organized under the laws of the
state of Michigan. MCN owns directly all of the outstanding common stock of
Michigan Consolidated Gas Company (MichCon), Citizens Gas Fuel Company
(Citizens), and MCN Investment Corporation (MCN Investment). MCN is organized
along two major business segments, Gas Distribution and Diversified Services.
Except where otherwise indicated, the companies set forth below are Michigan
corporations.
GAS DISTRIBUTION
A. MICHCON. Except where otherwise indicated, the companies set forth
below are wholly-owned subsidiaries of MichCon.
1. Michigan Consolidated Homes Limited Dividend Housing
Corporation, a Delaware corporation.
2. MichCon Development Corporation.
3. Blue Lake Holdings, Inc. holds a 50% interest in a partnership
that has converted a depleted natural gas field in northern
Michigan into a 42 Bcf natural gas storage field which it now
operates. MichCon owns 50% of Blue Lake Holdings, Inc., the
other half is owned by Storage Development Company, a
subsidiary of MCN Investment.
4. G-T Energy Concepts, Inc. developed a natural gas torch and
the related fueling modules which are adapted for use in metal
cutting, brazing and soldering. G-T Energy Concepts, Inc. was
transferred to MichCon from MCN Investment in April 1994.
5. Fuel Concepts, Inc. is involved in the development and
commercialization of low pressure natural gas storage and
related technologies. Fuel Concepts, Inc. was transferred to
MichCon from MCN Investment in April 1994.
6. Kalkaska Gas Storage Limited Partnership, a Michigan
partnership in which MichCon has a 31% interest, holds a 53.5%
interest in a partnership which has plans to develop and
operate a gas storage field in northern Michigan with 15 Bcf
of working capacity.
B. CITIZENS.
DIVERSIFIED SERVICES
C. MCN INVESTMENT is the holding company for MCN's various diversified
services subsidiaries. MCN Investment's major business segments are
Gas Services and Computer Operations Services. MCN Investment is also
involved in Gas Technology and other businesses. Except where
otherwise indicated, the companies set forth below are wholly-owned
subsidiaries of MCN Investment.
Gas Services
The Gas Services segment is an integrated energy group with investments in the
following businesses: Gas Marketing and Cogeneration, Gas Gathering and
Processing, Exploration and Production, and Gas Storage.
Gas Marketing and Cogeneration
1. CoEnergy Trading Company.
2. CoEnergy Canadian Holdings, Ltd., a New Brunswick Corporation,
which holds a 40% interest in a Canadian partnership.
3. CoEnergy Supply Company was formed in 1994 to engage in the
purchase and sale of natural gas developed by the Supply
Development Group, Inc. CoEnergy Supply Company expects to
begin operations in 1995.
4. Cogen Development Company (Cogen) pursues cogeneration related
opportunities throughout the United States and Canada.
i. Ada Cogeneration Limited Partnership, a Michigan
partnership, in which Cogen is a 99% limited partner.
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ii. Ludington Cogeneration Co. is the 1% general partner
in a joint venture that is constructing and intends
to operate a 123 megawatt natural gas-fueled
cogeneration plant in western Michigan.
iii. Ludington Cogeneration Holdings, Ltd. is a 49%
limited partner in the 123 megawatt cogeneration
plant mentioned above.
Gas Gathering & Processing
5. Saginaw Bay Pipeline Company, a 66% general partner in the
Saginaw Bay Area Limited Partnership.
6. Saginaw Bay Lateral Company, a 46% general partner in the
Saginaw Bay Lateral Limited Partnership.
7. Otsego Holdings, Inc., a 40% general partner in two gas
processing facilities, located in northern Michigan, that
remove carbon dioxide from natural gas. In January 1995,
Ostego Holdings, Inc. sold its partnership interest in these
two plants.
8. Westside Pipeline Company.
i. Jordan Valley Limited Partnership (85% interest)
ii. Warner Treating Limited Liability Company (95% interest)
iii. Terra Westside Processing Company (85% interest)
Exploration & Production
9. Supply Development Group, Inc.
i. Elmira Antrim Company
ii. Green River Antrim Company
iii. Warner Antrim Company
iv. Green Oak Development Company
v. MGS Development Company
vi. Southwest Gas Supply, Inc.
vii. Geotrend Exploration, Inc.
viii. Huron Energy
ix. CoEnergy MidContinent
x. CoEnergy Anadarko
xi. P'Bell Energy
xii. CoEnergy Operating Company
xiii. CoEnergy Canadian Exploration, Inc.
xiv. Petro Ventures Exploration Company
xv. SDG Marketing Company
Gas Storage
10. Storage Development Company.
i. South Romeo Gas Storage Company, a Michigan
Partnership in which Storage Development
Company has a 50% interest.
ii. The Orchard Golf Limited Partnership, a
Michigan Partnership in which Storage
Development Company has a 50% interest.
iii. W-10 Holdings, Inc., holds a 40% interest in
Washington 10 Storage Partnership.
iv. Blue Lake Holdings, Inc. (see description
under Gas Distribution - MichCon)
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Computer Operations Services
11. The Genix Group, Inc.
i. Genix Corporation, a Delaware corporation, located in
Pittsburgh, PA.
ii. MCN Computer Services, Inc., located in Dearborn, MI
iii. Genix Group, Ltd., located in London, England
Gas Technology
MCN's Gas Technology businesses, which also includes G-T Energy Concepts, Inc.
and Fuel Concepts, Inc. which were transferred to the Gas Distribution
operations in April 1994, research and develop innovative applications for
natural gas in pressurized combustion technologies and as a fuel for vehicles
and other applications.
12. Combustion Concepts, Inc., is engaged in the development of
pressurized combustion technologies which provides increased
fuel efficiency, heat uniformity and compactness of equipment.
Other
13. Bridgewater Holdings, Inc. holds a 33-1/3% Limited partner
interest in a 17-story commercial real estate complex located
in Grand Rapids, Michigan.
D. MCN MICHIGAN LIMITED PARTNERSHIP (MCN Michigan): MCN is the 1% general
partner in MCN Michigan, a Michigan limited partnership. MCN Michigan
exists for the sole purpose of issuing its limited partnership
interests to the public in the form of preferred securities and
investing the proceeds thereof in debt securities of MCN.