John Guest
Johnson Controls
Jokwang
Jouka
Joventa
Joyner Pneumatic
J.Thielmann
Jud
Jumo
Jun-Air
Kaefer
Kaller
Kaneko Sangyo
KCC
Kendrion
Keofitt
KEPNER
Kieselmann
Kinetrol
Kingdom
KNF
Knorr Pneumatik
Koganei
Kuhnke
Lahti Precision
Lamot
Siemens (Landis Gyr)
Lef Industries
Legrand
Legris (Parker)
