Berikut ini adalah beberapa perusahaan dan/atau kegiatan usaha yang telah mempercayakan pengelolaan lingkungan kepada Naztama Bumi Raya :
| No. | Nama Perusahaan |
| 1 | PT. Penta Ocean |
| 2 | PT. Waskita Karya, Tbk ( Persero ) |
| 3 | CV. Musik Perdana Record |
| 4 | PT. Telkomsel Indonesia, Tbk |
| 5 | PT. Trilliun Prima Sukses |
| 6 | PT. AKR Corporindo, Tbk |
| 7 | PT. Kimia Farma Apotek |
| 8 | PT. Pembangkit Jawa Bali |
| 9 | PT. Bahana Trimitra Selaras |
| 10 | PT. Persada Humanika |
| 11 | PT. Lenko Surya Perkasa |
| 12 | PT. Telekomunikasi Indonesia, Tbk ( Persero ) |
| 13 | CV. Sinar Baru |
| 14 | PT. Yakin Unggul |
| 15 | PT. Nagajaya Bangun Persada |
| 16 | CV. Rasa Cipta |
| 17 | PT. Gunung Sari Makmur |
| 18 | CV. Sukses Abadi |
| 19 | PT. Wijaya Kusuma Contractors |
| 20 | PT. Permata Bunda Bersama |
| 21 | PT. UEE Global Trade |
| 22 | CV. Giovanny Medical Center |
| 23 | CV. Multipet |
| 24 | UD. Sumber Agung |
| 25 | PT. LG Electronic Indonesia |
| 26 | PT. Ometraco Arya Samanta |
| 27 | PT. Rekso Nasional Food |
| 28 | PT. Astra International, Tbk – TSO Pecindilan |
| 29 | PT. Astra Sedaya Finansial |
| 30 | PT. Steel Pipe Industry of Indonesia, Tbk Unit I |
| 31 | PT. Steel Pipe Industry of Indonesia, Tbk Unit II |
| 32 | PT. Steel Pipe Industry of Indonesia, Tbk Unit VI |
| 33 | PT. Sigaret Kretek Sriwijaya |
| 34 | PT. Ikan Dorang |
| 35 | PT. Biolaborindo Makmur Sejahtera |
| 36 | PT. Perdamaian Indonesia |
| 37 | UD. Citra Indah |
| 38 | PT. Bias Inter Grafika |
| 39 | PT. Simo Pandu Artistik |
| 40 | PT. ABB Sakti Industri |
| 41 | PT. United Indo Surabaya |
| 42 | Perusahaan perorangan lainnya |
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