Jl. Pematang Pasir No.27 Medan 20241, Sumatera Utara

Phone: 62-61-661-6133
Fax: 62-61-661-6932
Email: corporate@mahkotagroup.com

Jalan Jendral Sudirman Kav. 1 Kelurahan Gelora, Kecamatan Tanah Abang, Jakarta Pusat 10270

Phone: 62-21-572-2924
Fax: 62-21-572-2924
Email: tbp.corsec@haritanickel.com

Panin Tower Lt. 9, Senayan City Jl. Asia Afrika Lot 19 Jakarta Pusat, DKI Jakarta Indonesia - 10270

Phone: 62-21-8790-0305
Fax: 62-21-8790-4683
Email: corporatesecretary@akp.co.id

Jl. Batujajar No. 37 Lantai 5 Jakarta Pusat 10120

Phone: 62-21-352-1669
Fax: -
Email: corsec@pammineral.co.id

Dipo Business Center 7th floor, Suite 7E, Jl. Gatot Subroto Kav. 50-52, Jakarta 10260

Phone: 62-21-3005-1341
Fax: -
Email: corporate.secretary@drilchem.com