GreenOcean :

  Amphenol Nelson Dunn Technologies (ANDT) :

  Verschleiss-schutz GMBH :

Hi-Kalibre Equipment Ltd :

Hi-Kalibre Equipment Ltd is a world leader in the development and manufacture of blow out prevention equipment for oil and gas exploration. We specialize in drill stem safety valves, ball valves, tubing safety valves and rotary hydraulic actuators. Our innovative, patented products have revolutionized the blow out prevention industry. For over 25 years we have remained proudly committed to the safety and productivity of the crews that operate rigs worldwide.