Williams Companies
Williams Companies Inc. is a leading energy infrastructure company primarily focused on the natural gas value chain in the United States. The company owns and operates an extensive network of interstate pipelines, gathering systems, and processing facilities that connect major supply basins to key demand markets. Its core value proposition lies in providing reliable midstream services for natural gas, natural gas liquids (NGLs), and crude oil to support clean-power generation and industrial use.
Financials
Based on Q1 2026 filing
Revenue
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Transmission & Gulf of America
primaryComprises major interstate natural gas pipelines, underground storage facilities, and deepwater Gulf of Mexico gathering and production handling assets. This segment operates under regulated rates and long-term firm reservation contracts.
Transco, Northwest Pipeline (NWP), MountainWest, Gulfstream, Discovery, Gulfstar One
Local natural gas distribution companies, Public utilities, Municipalities, Electric power generators, Industrial users
Northeast G&P
majorFocuses on natural gas gathering, processing, and fractionation services in the Marcellus and Utica Shale regions. It provides critical infrastructure for producers in the Appalachian Basin through fee-based and commodity-based agreements.
Susquehanna Supply Hub, Ohio Valley Midstream, Blue Racer Midstream, Cardinal Gas Services, Bradford Supply Hub
Natural gas producers, Petrochemical companies
West
majorIncludes gathering, processing, and treating operations across several major basins including the Rockies, Barnett, Eagle Ford, Haynesville, and Permian. It also manages NGL storage and fractionation assets in the Mid-Continent region.
Overland Pass Pipeline (OPPL), Echo Springs, Opal, Willow Creek, Rocky Mountain Midstream (RMM)
Upstream oil and gas producers, NGL marketers
Gas & NGL Marketing Services
moderateProvides wholesale marketing, trading, and asset management services for natural gas and NGLs. This segment optimizes the company's physical assets by capturing price differentials and managing commodity risk.
Natural gas marketing, NGL marketing, Asset management agreements
Utilities, Municipalities, Power generators, Third-party producers
Segment Financials
Transmission, Power & Gulf — Product Costs And Net Realized Processing Commodity Expenses
View metricTransmission, Power & Gulf — Total Assets
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View metricNortheast G & P — Modified EBITDA
View metricNortheast G & P — Other Segment Income (Expenses) - Net
View metricNortheast G & P — Product Costs And Net Realized Processing Commodity Expenses
View metricWest — Product Costs And Net Realized Processing Commodity Expenses
View metricWest — Modified EBITDA
View metricWest — Operating And Administrative Expenses
View metricGas & NGL Marketing Services — Product Costs And Net Realized Processing Commodity Expenses
View metricGas & NGL Marketing Services — Total Assets
View metricGas & NGL Marketing Services — Operating And Administrative Expenses
View metricBusiness Overview
Competitive Position
A dominant midstream player with a strategic footprint in the fastest-growing natural gas demand regions, particularly the Atlantic Seaboard and Gulf Coast.
Geographies
United States, Gulf of Mexico, Appalachia, Rocky Mountains
Customer Segments
Utilities, Industrial, Energy Producers, Municipalities
Upstream Dependencies
Exploration and production companies, Drilling activity in shale basins, Pipeline equipment manufacturers, Steel and construction services
Downstream Customers
Electric power plants, Local gas distribution companies, Petrochemical manufacturers, LNG export facilities, Industrial manufacturing plants
Competitors & Partners
Competitors
Partners
Puget Sound Energy, Inc.
Major customer for Northwest Pipeline
Cascade Natural Gas Corporation
Major customer for Northwest Pipeline
Northwest Natural
NWN
Major customer for Northwest Pipeline
Subsidiaries
Transcontinental Gas Pipe Line Company, LLC
Wholly owned interstate natural gas pipeline subsidiary
Northwest Pipeline LLC
Wholly owned interstate natural gas pipeline subsidiary
MountainWest Pipelines Holding Company
Acquired interstate natural gas transmission company
Ohio Valley Midstream LLC
65 percent owned midstream venture
Blue Racer Midstream LLC
50 percent equity-method investment
Williams Companies FAQ
Common questions about Williams Companies
Williams Companies Inc. is a leading energy infrastructure company primarily focused on the natural gas value chain in the United States. The company owns and operates an extensive network of interstate pipelines, gathering systems, and processing facilities that connect major supply basins to key demand markets. Its core value proposition lies in providing reliable midstream services for natural gas, natural gas liquids (NGLs), and crude oil to support clean-power generation and industrial use.
Williams Companies (WMB) has a market capitalization of $96.0B and trades on NYSE.
Williams Companies generated $11.5B in trailing twelve-month revenue with net income of $2.4B, representing a net margin of 20.6%, with free cash flow of $1.8B. These figures are based on the Q3 2025 filing.
Williams Companies's key competitors include Kinder Morgan, Enterprise Products Partners, Enbridge, and others. These companies compete in similar markets and product categories.
Williams Companies has approximately 5,601 employees.