Baja - Jakarta
- PT. Bukit Baja Nusantara
- CV Sana Mas
- PT. Bajamarga Kharisma Utama
- PT. Super Tata Raya Steel Corp
- PT. Steel Center Indonesia
- PT. Baja Kharisma
- PT. Dihen Bersama
- PT. Karunia Berca Indonesia
- PT. Avestindo Perdana
- PT. Alas Waja Kencana
- Sinar Setia
- Toko Sinar Djaja
- PT. Wiryaguna Sejati Prima
- PT. Flambindo Cortama
- PT. Tetsu Sarana Persada
- CV Dua Saudara Mandiri
- CV Sumber Kencana
- PT. Gunung Garuda
- PT. Tafa
- PT. Arah Champion Steel
- PT. Unggulmulia Sejahtera
- Posco Jakarta
- PT. Master Steel MFG The
- PT. Kurnialestari Karya Mandiri
- PT. Inter World Steel Mills Indonesia
- PT. Bhinneka Ciptabahana Pura
- PT. Surya Calvari
- PT. Anekareksa International Corp
- PT. Kurnia Kharisma Matra Steel
- PT. Khalista Arta Buana
- PT. Prima Rejeki Abadi
- PT. Serijaya Steel Pamulang
- PT. Matson Nusantara
- PT. Sinarwaja Indah
- CV Utama Metal Sejahtera
- PT. Winya Dyas
- PT. Mega Truss
- PT. Sinarsukses Sejahtera
- PT. Cipta Damas Karya
- PT. Murinda Metal Works
- PT. Ispat Indo
- PT. Gunung Anekabaja Raya
- Mustika Anugrah Sejahtera PT Div Steel
- PT. Cakung Prima Steel
- PT. Sumber Setia Baja
- Sumber Cipta Logam PD
- PT. Metalindo Pancagraha
- PT. Jatim Mustika Sarana Steel
- PT. Swarna Baja Pacific
- PT. Elangbaja Perkasasakti
Data Baja
- PT. Bohlindo Baja
- PT. Galaksi Perkasa
- PT. Binaguna Citrasejati
- Serba Logam
- Toko Bahrul Alam
- CV Purindo Teknik
- PT. Afro Pacific Indah Steel
- PT. Bukit Baja Nusantara
- Wojo Joyo Steel
- CV Sana Mas
- Utama Jaya
- PT. Sanggar Kaltim Jaya
- PT. Hydroraya Adhi Perkasa
- PT. Cipta Perkasa Centralbaja
- PT. Patama Adijaya Steel
- PT. Hamasa Steel Centre
- Bintang Baja
- PT. Gunung Kawi Jaya
- PT. Asian Profile Indosteel
- PT. Surabaya Baja Centre
- UD. Sedjati
- Baja Putra Perkasa
- PT. Bajamarga Kharisma Utama
- PT. Indomitra Sedaya
- PT. (Tbk) Beton Jaya Manunggal
- UD. Cahaya Logam
- PT. Cahaya Fajar Cemerlang
- PT. Papajaya Agung
- PT. Benteng Mas Sejahtera
- CV Bina Mandiri Steel Structure
- PT. Bhinneka Bajanas
- Sinar Baja
- PT. Super Tata Raya Steel Corp
- UD. Baja Mas Abadi
- PT. Steel Center Indonesia