Bes Ltd. Co. Was established in 1991 and has been operating on manufacturing diamond drilling equipments since 1996. In-the-hole equipments, from water swivel to diamond bit,with casings and recovery tools of both wireline and DCDMA standarts are manufactured under the brand name “Besson” in Bes Ltd. Co.’s facilities at Baskent OSB Ankara. Success of Bes Ltd. Co. Depends on identifing and meeting the demands of the market by following technological advancement in the world. Currently, our products are rods, casings, core barrels and their spare parts, bits, soil investigation tools, drilling accessories, casing shoes and reaming shells.