- Cv. Meraya Sumber
- Address:Jl. Demang Lebar Daun No. 269 RT. 43 RW. 11 Kel. Demang Lebar Daun Kec. Ilir Barat I
- buana mitra PT
- Address:jl untung suropati 39
- PT.Jaya Abadi Tehknik Ltd.
- Address:Jl. Bahari Jaya No. 19
- Richsindo Engineering
- Address:Perum MM blok E4. no 41. U Menteng. Jakarta Timur
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