KINDER MORGAN, INC.

Exhibit 21.1

XXXXXX XXXXXX, INC.

1-  Xxxxxx Xxxxxx (Delaware), Inc. - DE
2-  Kinder Xxxxxx X.X., Inc. - DE
3-  Xxxxxx Xxxxxx Management, LLC - DE
4-  KMGP Services Company, Inc. - DE
5-  Xxxxxx Xxxxxx Services LLC - DE
6-  KN Cogeneration, Inc. - CO
7-  Thermo Gas Marketing, Inc. - CO
8-  Thermo Project Management, Inc. - CO
9-  Valley Operating, Inc. - CO
10- KN Thermo, L.L.C. - CO
11- Xxxxxx Xxxxxx Ft. Xxxxxx Operator LLC - DE
12- Thermo Greeley, LLC - CO
13- KN Telecommunications, Inc. - CO
14- KN Gas Supply Services, Inc. - CO
15- KN Natural Gas, Inc. - CO
16- Red Rock Energy, LLC - DE
17- Interenergy Corporation - CO
18- Xxxxxx Xxxxxx Power Company - CO
19- KN TransColorado, Inc. - CO
20- XX Xxxxxxxxxx Transmission Limited Liability Company - CO
21- Slurco Corporation - CO
22- Rocky Mountain Natural Gas Company - CO
23- Xxxxxx Xxxxxx Foundation (nonprofit) - CO
00- Xxxxxxx Xxxxx Energy Services, LLC - CO
25- KN Gas Gathering, Inc. - CO
00- XxxXxx Xxxx. - XX
00- XxxXxx Xxx Xxxxxxxx Xxxx. - XX
28- MCN Gulf Processing Corp. - DE
29- Natural Gas Pipeline Company of America - DE
00- XXXX Xxxxxx Xxxxxxxxxxx Xx. - XX
31- Canyon Creek Compression Company - IL
32- KN Management Corp. - DE
00- XxxXxx Xxxxxx Xxxxxxxx Xxxx. - XX
34- KN Energy International, Inc. - DE
35- Xxxxxx Xxxxxx Igasamex, Inc. - DE
36- KM International Services, Inc. - DE
37- Lake Power L.L.C. - DE
38- FR Holdings L.L.C. - CO
39- Front Range Energy Associates, LLC -DE
40- Xxxxxx Xxxxxx Michigan LLC - DE
41- Xxxxxx Xxxxxx Kansas LLC - DE
42- Xxxxxx Xxxxxx Illinois LLC - DE
43- Xxxxxx Xxxxxx Missouri LLC - DE
44- Xxxxxx Xxxxxx Power Partners LLC - DE
45- Xxxxxx Xxxxxx Georgia LLC - DE
46- Xxxxxx Xxxxxx Michigan Pipeline LLC - DE
47- Xxxxxx Xxxxxx Virginia LLC - DE
00- Xxxxxx Xxxxxx Xxxxxxxx LLC - DE
49- Xxxxxx Xxxxxx Oklahoma LLC - DE
50- Xxxxxx Xxxxxx Alabama LLC - DE
51- KM Turbine Facility #6 LLC - DE
52- KM Turbine Facility #7 LLC - DE
53- Xxxxxx Xxxxxx Operator LLC - DE
54- Xxxxxx Xxxxxx Michigan Operator LLC - DE
55- Xxxxxx Xxxxxx Michigan Servicer LLC - DE
56- Xxxxxx Xxxxxx Michigan Contractor LLC - DE
57- Xxxxxx Xxxxxx Michigan Developer LLC - DE
58- Triton Power Company LLC - DE
59- Triton Power Michigan LLC - DE
60- KMC Thermo, L.L.C. - CO
61- Special Purpose Venture, LLC - OH
62- Wildhorse Energy, LLC - DE
63- TransColorado Gas Transmission Company - NY
00- Xxxxxxxxxxxxxx x Xxxxxxxxx xx Xxxxxxxxxxxxxxx, X.X. xx X.X. - Xxxxxx
00- XXX Xxxxxxxx, X. xx X.X. xx X.X. - Xxxxxx
66- Gas Natural del Noroeste, S.A. de C.V. - Mexico
67- KN Thermo Acquisition, Inc. - CO
68- Xxxxxx Xxxxxx TransColorado LLC - DE
69- Xxxxxx Xxxxxx TransColorado, Inc. - UT