- RIKO d.o.o.
- MARMOR SEŽANA
- PETROL d.d. LJUBLJANA
- THE SLOVENIAN INFRASTRUCTURE AGENCY
- DARS
- BORZEN D.O.O.
- CID D.O.O.
- CPG D.O.O. GORICA
- CVP INŽENIRING D.O.O.
- ELEKTRO PRIMORSKA D.D.
- FRACASSO RI D.O.O. RIJEKA
- GORENJE PROJEKT D.O.O.
- HIDROINŽENIRING D.O.O.
- KD VODOVOD I KANALIZACIJA D.O.O. RIJEKA
- STUD FARM LIPICA
- KOLEKTOR KOLING D.O.O.
- KOVOD D.O.O. POSTOJNA
- KSP D.D. SEŽANA
- MINISTRSTVO ZA OBRAMBO
- MUNICIPALITY OF THE CITY OF KOPER
- CITY OF BOROVNICA
- CITY OF CERKNICA
- CITY OF DIVAČA
- CITY OF HRPELJE – KOZINA
- CITY OF ILIRSKA BISTRICA
- CITY OF LOGATEC
- CITY OF PIVKA
- CITY OF POSTOJNA
- CITY OF SEŽANA
- CITY OF VIPAVA
- CITY OF VRHNIKA
- CITY OF ZAGORJE OB SAVI
- THE ŠKOCJAN CAVES REGIONAL PARK
- STRABAG
- TELEKOM SLOVENIJE D.D.
- TUŠ NEPREMIČNINE D.O.O.
and others…