Public Utilities & Environment To navigate, press the arrow keys. All Categories... EngineersUtility Providers go Results Found: 8 Button group with nested dropdown CEC Engineering CEC Engineering 1300 South Main St Tulsa OK 74119 1-918-724-6924 Cyntergy Architecture, Engineering, & Construction Services Architecture, Engineering, & Construction Services 810 South Cincinnati Avenue Ste 200 Tulsa OK 74119 (918) 877-6000 East Central Electric Cooperative East Central Electric Cooperative 2001 South Wood Drive Okmulgee OK 74447 (918) 756-0833 Jacobs Engineering Inc Jacobs Engineering Inc 401 S Boston Ave Suite 330 Tulsa OK 74103-4016 (918) 921-6050 KKT Architects, Inc. KKT Architects, Inc. 2200 South Utica Place Suite 200 Tulsa OK 74114 (918) 744-4270 Oklahoma Gas & Electric Oklahoma Gas & Electric 18511 West Highway 33 Sapulpa OK 74066 (800) 272-9741 Oklahoma Natural Gas, a division of O... Oklahoma Natural Gas, a division of ONE Gas, Inc. C/O Christopher Phillips OKE00362 15 East Fifth Street Tulsa OK 74103 (800) 664-5463 Public Service Company of Oklahoma Public Service Company of Oklahoma 212 East 6th Street Tulsa OK 74119 (888) 216-3523