Calo-Rex

Calorgas

Calpam

Caltex

Camping Gaz

Caratgas

Cargas

Castrol

Catry Freres

Catry Paul

Catteaux

Cepsa

Chantier Houiller

Chauffetout

Chevron

Chibel

Clair Energie

Clan 3

Classic Oil

Coke Chemeuse

Cokerill-Ougrée

Combugaz

Combulic

Cometane

Comma

Comtoir Houiller

Conoco

Coppens

Cortebeeck & Zoon

Corthals

Coulembier

Croonen

CSC Energie

Curoil