CEI Supply Natural Gas
CEI Natural Gas
Colonial Energy, Inc.

a Full-Service
Natural Gas Supplier

CEI 90 Years Experience

Backed by more than
90 years of
Energy Supply &
Management Experience

Colonial Energy, Inc.

Independent, Full-Service Natural Gas Marketing Company

Serving Institutional, Industrial & Commercial Clients

Gas meters and pipes


Colonial Energy, Inc. (CEI) delivers reliable natural gas supplies at competitive prices to utilities, power generators, large industrial, institutional, and commercial customers in the Eastern United States. 

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Natural Gas

About Us

CEI founded in 1996, is the marketing subsidiary of Colonial Group, Inc. Colonial Energy’s core business is the acquisition and delivery of natural gas to commercial, industrial, and LDC customers.

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Natural Gas Blue Flame


CEI provides, free of charge to prospective and current clients, a daily market report. In addition, you can find links to industry, pipeline and utility websites.

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CEI Advantage

Exceptional Customer Service

Gas Schedulers Available 24/7

Daily & Monthly Balance Monitoring

Experienced Supply Consultants

Strategically positioned to supply Eastern U.S. &
Gulf Coast Regions

Diverse Natural Gas Supply & Gas Storage Portfolio

Industries We Serve






College & Universities

Secondary Schools

Office Campuses


Hospitals & Healthcare Facilities

Small Commercial Businesses

Small Manufacturing Companies



Office Buildings