• 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…