ABB KENT-TAYLOR
ALEXANDER WRIGHT
AMREIN
ANDERSON INSTRUMENTS
BAILEY
B.I.F
BRISTOL BABCOCK
BRITISH ROTOTHERM
BRYANS
CAMILLE BAUER
CHESSELL
CHINO
DICKSON
ECKARDT
ENDRESS & HAUSER
ESTERLINE ANGUS
EUROTHERM
FISCHER & PORTER
FISHER CONTROLS
FOSTER CAMBRIDGE
FOXBORO
FUJI
GOERZ
GRAPHTEC
GULTON (RUSTRAK)
HARTMANN & BRAUN
HEWLETT PACKARD
HONEYWELL
HOUSTON OMNISCRIBE
ITT BARTON
JULES RICHARD INST.
JUMO/JUCHEIM
KENT
KIPP & ZONEN
LEEDS & NORTHRUP
LINEAR
LINSEIS
JJ LLOYD
MECI
METRAWATT
NEGRETTI & ZAMBRA
PARTLOW
PENNY & GILES
PERKIN ELMER
PHARMACIA
PHILIPS
RECORD ELECTRICAL
RIKADENKI
SEKONIC
SERVOGOR
SERVOSCRIBE
SHIMADZU
SIEMENS TAYLOR
TOSHIBA
VITATRON
W+W KONTRON
WATERS
YOKOGAWA