Atmos Energy http://www.atmosenergy.com/
One of two natural gas utilities operating in Plano.

CoServ Gas http://www.coservgas.com/
One of two natural gas utilities operating in Plano.

Verizon http://www22.verizon.com/
One of two incumbent telephone providers operating in Plano.

AT&T http://www.att.com/
One of two incumbent telephone providers operating in Plano.

Time Warner http://www.timewarnercable.com/dallas/?cid=neo000000781233
Franchised cable company providing service in Plano.

Public Utility Commission of Texas http://www.puc.state.tx.us/
Oversees telecommunications and electric utilities in the State of Texas.

ERCOT http://www.ercot.com
The Electric Reliability Council of Texas, Inc. (ERCOT) is the corporation that administers the state's power grid.

Railroad Commission of Texas http://www.rrc.state.tx.us/
Oversees natural gas utilities in Texas.

Texas Commission on Environmental Quality http://www.tceq.state.tx.us/index.html
Oversees water utilities in Texas.

Federal Communications Commission http://www.fcc.gov/
Oversees television, radio, telephone, cell phones, cable TV, and satellite TV in the United States.