Honeywell
Honsberg
Hopf
Hotron
Hotstart
HPI
Huba Control
Huber Suhner
Hummel
Hydropa
Hypertac (brand of Smiths Interconnect)
IC Electronic (Eltwin)
Idec
Ier
Ifm
Igema
Ilme
Ilsco
IMIT (Afriso)
Industrie Technik
Ingun
InterApp
Intermec (Honeywell)
Interpump
Intorq
IPF Electronic
Mahle
Ismet
Italweber
Jakob Safety