Al Sumri Transport (formerly Oman National Transport Company) was founded in 1984 and operates a fleet of 160 vehicles.
alsumri.com : About the Company
Desert King was founded in 2005 and operates a fleet of more than 85 buses.
Operates on Muscat - Marmal, Muscat - Nimr, Muscat - Kazan, Muscat – Mukaizna, Muscat – Yibal, and Muscat – Saih routes.
thedesertking.com : About the Company