• 

  Sigma Aldrich [now MERCK]

• 

  Revol Sonier (now Maagtechnic, soon Eriks)

• 

  Hellma Analytics

• 

  Maag

• 

  PMA AG-paco

• 

  SREE RAYALASEEMA ALKALIES AND ALLIED CHEMICAL

• 

  Umaa Engineering

• 

  Maagtechnic

• 

  chroma-ate

• 

  Panorama Antennas