| No | Company | E-mail |
| 1 | Bontex International | bontex@saxon.pip.com.pl |
| 2 | PRONOX TECHNOLOGY SA | konopkin.grzegorz@pronox.com |
| 3 | R+PL Computer Systems Sp. z o.o. | ajb@rpl.com.pl |
| 4 | Wilk Elektronik | rysiek.rygula@wilk.com.pl |
| 5 | Wydawnictwo Murator | murator@ikp.atm.com.pl |
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