- Alabama (see Title 37)
- Alaska- Title 42
- Arizona- Title 40
- Arkansas (see Titles 23 and 27)
- California - Public Utilities Code
- Colorado (searchable index - Title 40)
- Connecticut- Title 13B
- Delaware (see Titles 2 and 26)
- District of Columbia (see Title 43)
- Florida (see Titles XXVI and XXVII)
- Georgia (searchable index - Title 46)
- Hawaii (searchable index - Title 15)
- Idaho (see Titles 61 and 62)
- Illinois- Chapter 220
- Indiana- Title 8
- Iowa (see Title XI, Subtitle 5)
- Kansas (see Chapter 66)
- Kentucky (see Title XXIV)
- Louisiana (searchable index)
- Maine- Title 35A
- Maryland (see Article: Public Utility Companies and Article: Transportation)
- Massachusetts (see Chapters 82-92B)
- Michigan (see Chapters 460-486)
- Minnesota (see Chapters 216 thru 217)
- Mississippi (see Title 77)
- Missouri- Title 25
- Montana- Title 69
- Nebraska (see Chapter 39)
- Nevada (see Title 58)
- New Hampshire- Title 34
- New Jersey (see Title 48)
- New Mexico (see Chapters 62 and 63)
- New York (see Public Service and Transportation) | Alternate Site (see Chapters 48 and 61-A)
- North Carolina (see Chapter 62)
- North Dakota- Title 49
- Ohio- Title 49
- Oregon (see Chapters 261-285)
- Pennsylvania
- Rhode Island- Title 39
- South Carolina- Title 58
- South Dakota- Title 49
- Tennessee (see Title 65)
- Texas
- Utah
- Vermont
- Virginia- Title 33.1
- Washington- Title 80
- West Virginia (see Chapters 24 and 24A)
- Wisconsin (see Chapters 178-199)
- Wyoming (see Title 37)
- Taxonomy upgrade extras