§ The London and North Eastern Railway have arrangements of this nature with:
- Scottish Motor Traction.
- Central Scottish Motor Traction.
- Messrs. Alexander and Company.
§ The London Midland and Scottish Railway have similar arrangements with:
- Scottish Motor Traction.
- Central Scottish Motor Traction.
- Messrs. Alexander and Company.
- Western Scottish Motor Traction.
- Caledonian Omnibus Company.
- Highland Transport, Limited.
- Pitlochry Motor Company.
- Mr. W. Macky of Dunphail.