Mae nifer o gwmnïau bysiau yn gweithredu yng Ngwynedd. Dyma eu manylion cyswllt:
| Cwmni | Rhif ffôn | Gwefan | E-bost |
|---|---|---|---|
| Arriva | 0344 800 44 11 | arrivabus.co.uk/wales (yn agor mewn tab newydd) | |
| Berwyn Coaches | 01286 660 315 | berwyncoaches@aol.com | |
| Caelloi | 01758 612 719 | caelloi.co.uk (yn agor mewn tab newydd) | tours@caelloi.co.uk |
| Clynnog & Trefor | 01286 660 208 | clynnogandtrefor.com (yn agor mewn tab newydd) | info@clynnogandtrefor.com |
| Dilwyn's Coaches | dilwynscoaches.co.uk (yn agor mewn tab newydd) | info@dilwynscoaches.co.uk | |
| Gwynfor Coaches | 01248 722 694 | gwynforcoaches.co.uk/ (yn agor mewn tab newydd) | mail@gwynforcoaches.co.uk |
| Llew Jones | 01492 640 320 | llewjonesinternational.co.uk/ (yn agor mewn tab newydd) | info@llewjonesinternational.com |
| Lloyd's Coaches | 01654 702 100 | lloydscoaches.com (yn agor mewn tab newydd) | info@lloydscoaches.com |
| Nefyn Coaches Ltd. | 01758 720 904 | info@nefyncoaches.com |