Kalvacha has contracts for construction of fuel filling stations and supply of equipment with Shell Bulgaria, OMV, Petrol, Eko Petroleum, which are among the main long-term clients of the Company. Kalvacha sells most of its products in Serbia, Romania and Turkey through its own companies in these countries.

The Company is a key player on the Romanian market with a market share of about 40%. Major partners of Kalvacha in Romania are Agip, Lukoil, Romelexim and others, and in Serbia – OMV.