Republic of Ireland

• Maxol Lubricants Ltd. (Lubricant supplier to the automotive, industrial, marine, and agricultural markets)
• Maxol Direct Ltd. (Home heating oil)
• Maxol Ltd. (Main petrol station
  Filling station
  A filling station, also known as a fueling station, garage, gasbar , gas station , petrol bunk , petrol pump , petrol garage, petrol kiosk , petrol station "'servo"' in Australia or service station, is a facility which sells fuel and lubricants...
  
   retail network and bulk fuel seller)
• Estuary Fuel Ltd. (Oil terminal operator, petrol stations and various oil products)
• Marsh Oil Products Ltd. (Main import terminal)

Northern Ireland

• Maxol Oil Ltd. (Main petrol station
  Filling station
  A filling station, also known as a fueling station, garage, gasbar , gas station , petrol bunk , petrol pump , petrol garage, petrol kiosk , petrol station "'servo"' in Australia or service station, is a facility which sells fuel and lubricants...
  
   retail network and bulk fuel seller)
• Maxol Direct (NI) Ltd. (Home heating oil)

History

In 1919 William and James signed a supply agreement with the Anglo Mexican Oil Company (AMOC) and in 1920 founded McMullan Bros. Limited. In 1924 AMOC was acquired by Shell

Royal Dutch Shell

Royal Dutch Shell plc , commonly known as Shell, is a global oil and gas company headquartered in The Hague, Netherlands and with its registered office in London, United Kingdom. It is the fifth-largest company in the world according to a composite measure by Forbes magazine and one of the six...

.

In 1972 the existing brand names; Mex, Silensol and Daisy began to be replaced by the Maxol brand, though all operating companies only completed this process in 1981. In 1986 Maxol acquired Ola, operator of an oil terminal at Drogheda, north of Dublin. In 1996 Maxol acquired 80 retail sites from Statoil

Statoil

Statoil ASA is a Norwegian petroleum company established in 1972. It merged with Norsk Hydro in 2007 and was known as StatoilHydro until 2009, when the name was changed back to Statoil ASA. The brand Statoil was retained as a chain of fuel stations owned by StatoilHydro...

 and Jet

Jet (brand)

Jet is the filling station brand of ConocoPhillips, used in Europe.Jet filling stations are located in Austria, Belgium, the Czech Republic, Denmark, Finland, Germany, Hungary, Norway, Poland, Slovakia, Sweden, Thailand and the United Kingdom....

 which were to be disposed of as a condition of their merger. In 1997 the group signed a partnership with Mace

Mace (store)

Mace is a convenience store symbol group operated in the UK and Ireland. The stores are independently owned and join the group, paying a fee for marketing and branding support and purchasing their stock from the brand owner. -Great Britain:...

, a convenience store group, to allow development of joint Maxol/Mace filling stations.

In 2000 Maxol acquired Northern Ireland's leading heating oil distributor, Connors Fuels Ltd. This became Maxol Direct (NI) Ltd http://www.maxoldirect.com In 2002 it acquired Estuary Fuel Limited which operates an oil terminal, a retail network and markets various oil products.