- Pronat S.A.
- Address:Argentina
- Extel Engineering
- Address:cespedes 2410 4a, b.aires, Argentina
- Coochinor Ltda.
- Address:El Payador 185, S.S. de Jujuy, Jujuy, Argentina
- Chemet Corporation SA
- Address:Emilio Castro, Buenos Aires, Capital Federal, Argentina
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