Honeywell

Honeywell, founded in 1885 and headquartered in Morris Plains, New Jersey, USA, operates in various industries, including aerospace products and services, building technologies, home and industrial controls, automotive products, turbochargers, and specialty materials. Its business spans across sectors such as refining, petrochemicals, paper, chemicals, power generation, oil and natural gas, steel, construction materials, food and beverage industries, as well as advanced control technologies for commercial buildings.

Honeywell's DCS (Distributed Control System) systems primarily include:

• TDC 2000
• TDC 3000
• Experion PKS (C200, C300) 
• FSC - FSC is Honeywell's Safety Instrumented System (SIS), where FSC stands for Fault Safe Controller.
• Other Series

Honeywell also offers systems like Alcont, ExperionLS, Experion HS, PlantScape, and safety systems, among others.