Tedcastles Oil Products Limited (TOP) is an
Irish petrol company founded in 1960 which trades under the brand name "TOP". Before a rebranding in 1998, the company traded as "Tedcastle's Oil". It is a subsidiary of Tedcastles Holdings Limited. TOP is the biggest Irish-owned fuel company. It is also the only company to supply not only
oil and
kerosene, but now also
coal.