1. PT Aspal Buton Nasional – Sultra (Aspal)

2. PT Expertindo Solusi Pratama – Sultra (Aspal)

3. PT Summitama Intinusa – Sultra (Aspal)

4. PT Bumi Raya Makmur Mandiri – Sultra (Mineral)

5. PT Cipta Djaya Selaras Mining – Sultra (Mineral)