Stargard Szcz.:                                               Szczecin:      
Protech Paweł Kruk, Sławomir Tworek Sp.J.                ul. Smolańska 3
           ul. Gombrowicza11                                      70-026 Szczecin
          73-110 Stargard Szcz                                   tel.: 500 260 297  
             tel.: 500 260 297                                     tel.: 501 345 553    
             tel.: 501 345 553
            fax: 91 576 12 84
      e-mail: biuro@protechfirma.pl