- Kuroda Trade Co.,Ltd.
- Main business: Perlite, Vermiculite, Iron Ore, Solar Silicon Ingots
- East AsiaJapan
- AKPER PERLITE MINING CONSTURTION IND. TRD. LTD.CO
- Main business:
- MEHRAVARKALA ALBORZ
- Main business:
- IOCL Minerals Trading
- Main business:
- COSME BIOTECH
- Main business:
- Reslab Microfiller
- Main business:
- KIMEL DE COLOMBIA S.A.
- Main business:
- PERLA GROUP
- Main business: PERLITE
- North AfricaTunisia
- Kardoost Ariya Company
- Main business:
- PalletOne, Inc.
- Main business:
- Perlita de la Laguna
- Main business: Expanded Perlite
- North AmericaMexico
- Metro International Co. Ltd. & SE-BA Investment-Industry..
- Main business:
- Logitec Plus BV
- Main business:
- Perlitsan Industrial Raw Material & Mining Inc.
- Main business:
- Bergama Mining Perlite Inc.
- Main business:
- RAHBORD TEJARAT SABA CO
- Main business:
- AVIN DERYOK CO
- Main business: Minerals,agriculture,Food
- West AsiaIran
- GEMINA GIDA DIS TICARET ANONIM SIRKETI
- Main business:
- UNITED PERLITE CORPORATION
- Main business: