Exhibit 21.1

Kinder Morgan, Inc.

Subsidiaries of the Registrant

Kinder Morgan (Delaware), Inc.

Kinder Morgan G. P., Inc.

Kinder Morgan Energy Partners, L.P.

KN Telecommunications, Inc.

Kinder Morgan Foundation (nonprofit)

K N Gas Gathering, Inc.

Horizon Pipeline Company, L.L.C. (50%)

Kinder Morgan Insurance Ltd.

Kinder Morgan Illinois Pipeline LLC

NGPL PipeCo LLC

Knight Power Company LLC

NGPL HoldCo Inc.

Natural Gas Pipeline Company of America LLC

Kinder Morgan Finance Company LLC

Kinder Morgan Canada LLC

NGPL Holdco LLC

Midco LLC

El Paso Holdco LLC

KMGP Contracting Services LLC