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Compare · KMI vs WMB

KMI vs WMB

Side-by-side comparison of Kinder Morgan Inc. (KMI) and Williams Companies Inc. (WMB): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both KMI and WMB operate in Natural Gas Distribution (Utilities), so they compete in similar markets.
  • WMB is the larger of the two at $93.31B, about 1.3x KMI ($73.13B).
  • Over the past year, KMI is up 25.0% and WMB is up 30.4% - WMB leads by 5.4 points.
  • WMB has been more active in the news (13 items in the past 4 weeks vs 8 for KMI).
  • WMB has more recent analyst coverage (25 ratings vs 24 for KMI).
PerformanceKMI+25.03%WMB+30.40%
2025-04-30+0.00%2026-04-30
MetricKMIWMB
Company
Kinder Morgan Inc.
Williams Companies Inc.
Price
$32.87+3.27%
$76.35+4.15%
Market cap
$73.13B
$93.31B
1M return
-1.91%
+4.92%
1Y return
+25.03%
+30.40%
Industry
Natural Gas Distribution
Natural Gas Distribution
Exchange
NYSE
NYSE
IPO
2011
News (4w)
8
13
Recent ratings
24
25
KMI

Kinder Morgan Inc.

Kinder Morgan, Inc. operates as an energy infrastructure company in North America. The company operates through Natural Gas Pipelines, Products Pipelines, Terminals, and CO2 segments. The Natural Gas Pipelines segment owns and operates interstate and intrastate natural gas pipeline, and underground storage systems; natural gas gathering systems and natural gas processing and treating facilities; natural gas liquids fractionation facilities and transportation systems; and liquefied natural gas liquefaction and storage facilities. The Products Pipelines segment owns and operates refined petroleum products, and crude oil and condensate pipelines; and associated product terminals and petroleum pipeline transmix facilities. The Terminals segment owns and/or operates liquids and bulk terminals that stores and handles various commodities, including gasoline, diesel fuel, chemicals, ethanol, metals, and petroleum coke; and owns tankers. The CO2 segment produces, transports, and markets CO2 to recovery and production crude oil from mature oil fields; and owns interests in/or operates oil fields and gasoline processing plants, as well as operates a crude oil pipeline system in West Texas. It owns and operates approximately 83,000 miles of pipelines and 144 terminals. The company was formerly known as Kinder Morgan Holdco LLC and changed its name to Kinder Morgan, Inc. in February 2011. Kinder Morgan, Inc. was founded in 1936 and is headquartered in Houston, Texas.

WMB

Williams Companies Inc.

The Williams Companies, Inc., together with its subsidiaries, operates as an energy infrastructure company primarily in the United States. It operates through Transmission & Gulf of Mexico, Northeast G&P, and West segments. The Transmission & Gulf of Mexico segment comprises Transco and Northwest natural gas pipelines; and natural gas gathering and processing, and crude oil production handling and transportation assets in the Gulf Coast region. The Northeast G&P segment engages in the midstream gathering, processing, and fractionation activities in the Marcellus Shale region primarily in Pennsylvania and New York, and the Utica Shale region of eastern Ohio. The West segment comprises gas gathering, processing, and treating operations in the Rocky Mountain region of Colorado and Wyoming, the Barnett Shale region of north-central Texas, the Eagle Ford Shale region of South Texas, the Haynesville Shale region of northwest Louisiana, and the Mid-Continent region, which includes the Anadarko, Arkoma, and Permian basins; and natural gas liquid (NGL) and natural gas marketing operations, as well as storage facilities. The company owns and operates 30,000 miles of pipelines, 34 processing facilities, 9 fractionation facilities, and approximately 23 million barrels of NGL storage capacity. The Williams Companies, Inc. was founded in 1908 and is headquartered in Tulsa, Oklahoma.

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