Daftar perusahaan yang kerjasama dengan PT.Etika :
- PT.Gudang Garam Tbk
- PT.Karyadibya Mahardhika
- PT.Swadaya Graha
- PT.Wijaya Karya
- Yayasan Kristen Petra
- PT.Dharma Terminal Coal
- PT.Surya Sakti Darma Kencana
- PT.Sinar Mas Agro Resources And Technology
- PT.Dutikon Sejahtera
- PT.Megasuryamas
- PT.Putrabangun Nusagriya
- PT.Pakuwon Jati
- Grand City Surabaya
- Bandara Syamsuddin Noor