Geostroj d.o.o. is a company, which is specialized in production of drilling machines, accessories and equipment designed for driling, research activities, geotechnology, civil construction, wells, piezometers etc.

Serially manufactured standard accessories are in stock, products of non-standard shape and size are made to order.

Quality of our products is guaranteed by lasting experiences, our own technology and know-how as well as project research and technologicaly well-equipped company.

Geostroj d.o.o. is a company with over 50 years lasting tradition, where production, maintenance and servising of drilling machines, accessories and equipment take place from the very begining.

• Manufacturing of drill pipes, casing tubes, core tubes, construction drilling sistems
• Manufacturing of drilling accesories: tungsten carbide insert type drill bits, core lifters, core lifter cases, drill bits for DTH, tube core barrels, rotary and percussion drilling
• Manufacturing of drilling and auxiliary activities equipment: mude pools, mixers, flushing heads, screwing compensators, revolvable hangers and extraction tools, penetrometric instruments (SPT), flushing pumps
• Manufacturing of multi-purpose drilling machines, up-to-date construction design fulfiling the specific customer requirements,
• Services like CNC steel plate autogenous cutting (2 x 6 m), high tech CNC machining, steel thermal treatment, soldering, welding, locksmith's work

Direction:
mr. Marjan Gosar
tel.: + 386 (0)1 2801 869
Fax: + 386(0)1 2801 860

mrs.Ivica Vidic
tel: +386(0)1 2801 850
fax: +386(0)1 2801 860

mr. Branko Habjan
tel.: + 386(0)1 2801 863