Oklahoma Natural Gas Back to Search Oklahoma Natural Gas Categories UTILITIES 401 North Harvey Avenue , Oklahoma City , OK , 73102-3418 (405) 365-0892 Send Email http://www.oklahomanaturalgas.com Contacts Primary Marla Freeman Area Manager Community Relations UTILITIES Austin Manger Regional Manager - Community Relations Martie Oyler Manager Accounts Payables Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone