Over the years Calethon has increased its experience in construction operation abroad by working on complex projects in remote areas. Calethon has been engaged in this activity in order to support clients in locations in which they operate: Afghanistan, Iraq, Somalia, Nigeria, Sierra Leone, Peru, Colombia, Kosovo, Serbia, Montenegro, Kazakhstan, U.A.E., Libya. This commitment enables Calethon to establish a local presence in those remote areas where projects are being constructed.

Calethon unique combination of local knowledge and international experience has made the company the international contractor of choice. By using  its own personnel and resources, and subcontractors for specialized activities, Calethon is able to fulfil all the client infrastructural needs.