Title 165 - Oklahoma State Department of Health
- Chapter 5 - Rules of Practice (§§ 165:5-1-1 — 5)
- Chapter 10 - Oil and Gas Conservation (§§ 165:10-1-1 — 10)
- Chapter 15 - Fuel Inspection (§§ 165:15-1-1 — 15)
- Chapter 16 - Medical Marijuana Regulations (§§ 165:16-1-1 — 16)
- Chapter 20 - Gas and Hazardous Liquid Pipeline Safety (§§ 165:20-1-1 — 165:20-17-9)
- Chapter 25 - Underground Storage Tanks (§§ 165:25-1-1 — 25)
- Chapter 26 - Aboveground Storage Tanks (§§ 165:26-1-1 — 26)
- Chapter 27 - Indemnity Fund (§§ 165:27-1-1 — 27)
- Chapter 28 - Storage Tank Advisory Council (§§ 165:28-1-1 — 165:28-3-1)
- Chapter 29 - Corrective Action of Petroleum Storage Tank Releases (§§ 165:29-1-1 — 165:29-5-4)
- Chapter 30 - Motor Carriers, Private Carriers and Transportation Network Companies (§§ 165:30-1-1 — 30)
- Chapter 32 - Railroads (§§ 165:32-1-1 — 165:32-9-2)
- Chapter 35 - Electric Utility Rules (§§ 165:35-1-1 — 35)
- Chapter 40 - Standard Terms of Purchases from Purchasers of 300 KW OR LESS (§§ 165:40-1-1 — 165:40-11-4)
- Chapter 45 - Gas Service Utilities (§§ 165:45-1-1 — 45)
- Chapter 50 - Fuel, Purchased Gas, and Purchased Power Adjustment Clauses (§§ 165:50-1-1 — 165:50-7-4)
- Chapter 55 - Telecommunications Services (§§ 165:55-1-1 — 55)
- Chapter 56 - Resellers of Interexchange Telecommunications Services (§§ 165:56-1-1 — 56)
- Chapter 57 - Operator Service Providers Telecommunications Services (§§ 165:57-1-1 — 57)
- Chapter 58 - Facilitation and Provisioning of Payphone Service (§§ 165:58-1-1 — 58)
- Chapter 59 - Oklahoma Universal Service and Oklahoma Lifeline (§§ 165:59-1-1 — 165:59-9-29)
- Chapter 60 - Extended Area Service/Wide Area Calling Plans (EAS/WACP) [Revoked] (§§ 165:60-1-1 — 60)
- Chapter 61 - Oklahoma E911 Emergency Service Fund [REVOKED] (§§ 165:61-1-1 — 165:61-5-5)
- Chapter 65 - Water Service Utilities (§§ 165:65-1-1 — 165:65-13-8)
- Chapter 70 - Minimum Standard Filing Requirements in Support of a Request by a Public Utility Doing Business in Oklahoma for a Proposed General Rate Change (§§ 165:70-1-1 — 70)
- Chapter 75 - Cotton Gin Utilities (§§ 165:75-1-1 — 165:75-5-51)
- Chapter 80 - Wide Area Calling Plan (WACP) (§§ 165:80-1-1 — 165:80-5-5)