PT. Usaha Bersama Bangun Perkasa has served most of the big companies and projects various places in Indonesia.
- BANK MANDIRI
- BANK RAKYAT INDONESIA
- BANK SYARIAH MANDIRI
- HITACHI PLANT CONSTRUCTION, LTD. (INDONESIA BRANCH)
- JIMAC PERKASA GROUP (PT. RENTAL PERKASA & PT. BERKAT JAYA BETON)
- PT. AETRA AIR JAKARTA
- PT. ALPHA DWI MARINE INDONESIA (OFFSHORE CONSTRUCTION)
- PT. APLIKANUSA LINTASARTA
- PT. ASAHIMAS CHEMICAL
- PT. ASTRA INTERNATIONAL TBK (JAKARTA)
- PT. ASTRA KOMPONEN INDONESIA
- PT. BAKRIE PIPE INDUSTRIES
- PT. BAKRIE TOSANJAYA
- PT. BRIDGESTONE TYRE INDONESIA
- PT. CHIYODA KOGYO INDONESIA
- PT. FEDERAL SOLUSI INDOTAMA
- PT. GLORIA ORIGITA COSMETICS
- PT. HUMPUSS LG INDUSTRIAL S.
- PT. INDAH KIAT PULP & PAPER TBK
- PT. INDOBARAT RAYON
- PT. INDOCEMENT PERKASA
- PT. INDOFOOD CBP SUKSES MAKMUR
- PT. INDOMARCO PRISMATAMA
- PT. INDORAMA SYNTHETICS TBK
- PT. JASA MARINA (SEMARANG)
- PT. JURONG ENGINEERING LESTARI (JEL)
- PT. KITADIN
- PT. MATTEL INDONESIA (PRODUSEN BARBIE DOLL)
- PT. PAL (SURABAYA)
- PT. PINDO DELI PULP & PAPER TBK
- PT. SIEMENS INDONESIA
- PT. SOUTH PACIFIC VISCOSE
- PT. TOYOTA ASTRA MOTOR (JAKARTA)
- PT. TRUBA JAYA ENGINEERING (JAKARTA)
AND MANY MORE...