Pelanggan Perusahaan
- PT. Krakatau Steel (Persero) Tbk
- PT. Krakatau Posco (KP)
- RS Krakatau Medika (IHC)
- RS Budhi Asih
- PT. Krakatau Osaka Steel
- PT. Krakatau Bandar Samudera
- PT. Krakatau Information Technology
- PT. Krakatau Engineering
- PT. Krakatau Daya Listrik
- PT. Krakatau Nippon Steel Sumikin
- PT. Krakatau Jasa Logistik
- PT. Krakatau Argo Logistik
- PT Unggul Indah Cahaya Tbk
- Dana Pensiun Krakatau Steel (DPKS)
- PT. Multi Sentana Baja (Krakatau Jasa Samudera
- PT. Krakatau Jasa Industri
- PT. Krakatau Wajatama
- PT. Purna Baja Harsco
- PT. BASF Indonesia
- PT. Krakatau Konsultan
- PT. Sanbe Farma
- PT. Putra Cilegon Mandiri (PCM)
- PT. Buana Centra Swakarsa (BCS) Logistics
- PT. Timah Industri
- Bank PANIN
- PT. Krakatau Perbengkelan dan Perawatan (KPDP)
- PT. Statomer
- PT. Dia Logistics Indonesia
- PT. Fonusa Agung Mulia
- PT. Delta Nusatama
- PT. Nippon Shokubai Indonesia
- PT. Nufarm Indonesia
- Bapelkes Krakatau Steel
- PT. KHI Pipe Industries
- PT. Synthetic Rubber Indonesia
- PT. Krakatau Industrial Estate Cilegon
- Bank BUKOPIN
- Bank Muamalat
- Bank BRI Syariah
- PT Krakatau Poschem Dongsuh Chemical (KPDC)
- PT. Cilegon Fabricators
- PT. Meratus Jaya Iron & Steel (MJIS)
- PT. Barata Indonesia
- PT. Tumbakmas Niagasakti
- PT. Wahana Sentana Baja
- PT Hitachi Metals Indonesia
- Kopkar Cilegon fabricators
- PT. Harapan Teknik Shipyard
- PT Energasindo Heksa Karya
- DLL.