Invivo Corporation/ Zellweger AnalyticalToday known as Honeywell
See previous names below. These previous names and companies were all acquired by Honeywell
Penny and Giles Ltd.
Leeds and Northrop Inc.
Lumidor Safety Products
Invensys Sensor Systems (SenSym)
Aspen Technology HYSIS and OTS div.
Honeywell Sensing and Control