- NIWKA S.A. Mining Machine Factory
- Address:ul. Wojska Polskiego 25/27, Sosnowiec, slaskie, Poland,41-208
- PHP MERCUS Co.Ltd
- Address:Kopalniana 11, Polkowice, Poland
- POSREDNICTWO HANDLOWE Katarzyna Szynal
- Address:Mokra, Blonie, Poland
- Linter Group
- Address:Lobzow, Wolbrom, Malopolska, Poland
- MARTECH PLUS
- Address:Gornicza 33, Laziska Gorne, Slaskie, Poland
- ONLINE DIAMONDS
- Address:Gwardii Ludowej 10/2, Gliwice, Poland
- FP Spomax S.A.
- Address:Kaliska 61-63, Ostrow Wielkopolski, Other, Poland
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