Several companies provide telephone, natural gas and electricity services in Norman. 
They also support the development of  Norman.
 
Click on the underlined links below to learn more. 
OG&E (electricity) -
405.272.9741 customer service

AT&T (telephone, Internet connections)
customer service
1.800.288.2020 residential
1.800.499.7928 business
OK Natural Gas (natural gas)
800.664.5463 customer service