The Diament Oil Exploration Ltd provides services on a national as well as international levels.

Inside the country, the company focuses on the work performed for Polish Oil and Gas Company (POGC). The company provides numerous services for PGNiG associated with the full range of services offered, including drilling and workover services, tubing and casing running, cementating, down hole completion, testing, and well flowing, and numerous construction works and earthworks.

Diament Oil Exploration Ltd also focuses on drilling works commissioned by the KGHM S.A., as well as on, works performed for the companies dealing with exploration and diagnostics of the unconventional gas, in particular shale gas. In the past years Company continue to expand its cooperation with foreign companies operating in Poland, seeking gas from unconventional deposits, including among others Exxon Mobil, Lane Energy Poland, Marathon, BNK Petroleum and Aurelian Oil.

The Diament Oil Exploration Ltd has recently engaged in providing services abroad. The company provides its services for several European markets – in , Ukraine, Lithuania, Spain. More recently, the company became interested in the Italian and Hungarian market.