The three Fortune 500 companies pushing to build interstate natural gas pipelines across Stark County include the biggest utility company in Michigan, the owner of Sunoco gas stations and the operator of one of the largest interstate natural gas pipeline systems in the United States.

The three Fortune 500 companies pushing to build interstate natural gas pipelines across Stark County include the biggest utility company in Michigan, the owner of Sunoco gas stations and the operator of one of the largest interstate natural gas pipeline systems in the United States.

Here’s a closer look at the companies behind the NEXUS and Rover pipelines.

NEXUS GAS TRANSMISSION

NEXUS Gas Transmission would build a single pipeline, up to 42 inches in diameter, through Washington, Nimishillen, Marlboro and Lake townships and the city of Green. Spectra Energy and DTE Energy are the main companies behind NEXUS.

SPECTRA ENERGY

HEADQUARTERS: Houston, Texas.

EMPLOYEES: About 5,700.

OVERVIEW: Spectra Energy transports, processes, stores and distributes natural gas. It also transports and stores crude oil. The company was spun off from Duke Energy in 2007.

It has assets and customers throughout the United States and Canada, including the Texas Eastern Transmission pipeline, the fourth-largest pipeline system in terms of capacity.

Spectra Energy was No. 461 on last year’s Fortune 500 list.

2013 REVENUE: $5.5 billion.

ASSETS:

305 billion cubic feet of storage capacity in U.S. and Canada. Transmission pipe: 22,000 miles. Oil storage: 4.8 million barrels. Gathering pipe: 69,000 miles. Distribution pipe: 39,000 miles. Retail customers: 1.4 million. OHIO PRESENCE:

About 1,000 miles of the Texas Eastern Transmission pipeline, built in 1947, pass through Ohio. Spectra expects to complete the Ohio Pipeline Energy Network by the end of this year in eastern Ohio. The 76 miles of 30-inch pipeline will connect Utica Shale producers in Columbiana, Carroll, Jefferson, Belmont to the Texas Eastern system. DTE ENERGY

HEADQUARTERS: Detroit, Michigan.

EMPLOYEES: 9,973.

OVERVIEW: DTE Energy is the largest natural gas and electrical utility in Michigan, and is No. 290 on the Fortune 500.

The gas business started in 1848; the electricity utility was founded in 1903. Together they account for about 80 percent of DTE’s earnings.

DTE Energy also owns gathering and interstate transmission pipelines, ships coal, builds power plants for industrial, commercial and institutional customers, including biomass energy for landfills.

2013 REVENUE: $9.6 billion.

ASSETS:

Vector Pipeline: 348-mile pipeline carries 1.3 billion cubic feet of natural gas per day from Chicago to Canada. DTE is a 40 percent owner of Vector. Enbridge holds the majority interest. Millenium Pipeline: DTE owns about a quarter of this 186-mile pipeline that carries 525 million cubic feet of natural gas a day to the Northeast and New York City. Bluestone Gathering System: This 44-mile Marcellus Shale gathering line in Pennsylvania and New York is a wholly-owned subsidiary of DTE. It connects to the Millenium and Tennessee pipelines. 1.2 million natural gas customers. OHIO PRESENCE:

In Ohio, DTE has built on-site energy projects for five auto plants and has constructed three biomass projects.

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ROVER PIPELINE

The Rover Pipeline would run two 42-inch pipes through Pike, Bethlehem and Sugar Creek townships. It is being built by Energy Transfer.

ENERGY TRANSFER

HEADQUARTERS: Dallas, Texas.

EMPLOYEES: 13,600.

OVERVIEW: Energy Transfer started in 1995 with 200 miles of pipeline. Today, it comprises four publicly traded partnerships, and its assets include 71,000 miles of pipelines that carry natural gas, natural-gas liquids, refined products and crude oil. Energy Transfer also owns natural-gas-processing plants and Sunoco gas stations.

Energy Transfer Equity was ranked 54th in last year’s Fortune 500.

2013 REVENUE: $48.3 billion.

ASSETS:

Total pipelines: 71,000 miles. Interstate gas pipelines: 12,600 miles owned and operated, plus ownership interest in another 5,600 miles. Intrastate gas pipelines: 7,800 miles. Gathering pipelines: 6,700 miles. Gas processing, storage and treatment: 29 facilities. Natural gas storage: 154 billion cubic feet. Oil storage: 40 million barrels. Crude and refined pipelines: 5,400 miles. Sunoco: More than 4,900 Sunoco-branded convenience stores in 26 states, including Ohio. OHIO PRESENCE:

More than 450 Sunoco gas stations. Refined-product pipelines cross western and northern Ohio. Sources: Information gathered from SEC filings, company websites and investor presentations.