Here's What We Include in Our Definition of the 50 Largest Companies and What We Don't Include
This story accompanies our December 2012 Cover Story that talks about the Top 50 Automation Companies on the United States and the World for 2011. To learn more read the article "Top 50 Automation Companies for 2011."
Every year, we find more companies to add to the list. If you spot one we haven't listed and that should be, let us know. Even though we add companies and subtract the ones that have been acquired, we haven't changed our basic methodology of analysis for the past several years.
Process automation systems and related hardware software and services
PLC business, as well as related hardware, software, services, I/O and bundled HMI
Other control hardware components, such as third-party I/O, signal conditioners, intrinsic safety barriers, networking hardware, unit controllers, and single- and multi-loop controllers
Process safety systems
SCADA systems for oil and gas, water and wastewater, and power distribution
AC drives
Motion control systems
Computer numerical control (CNC) systems
Process field instrumentation, such as temperature and pressure transmitters, flowmeters, level transmitters and associated switches
Analytical equipment, including process electrochemical, all types of infrared technology, gas chromatographs for industrial manufacturing and related products
Control valves, actuators and positioners
Discrete sensors and actuators
All kinds of automation-related software, from advanced process control, simulation and optimization to third-party HMI, plant asset management, production management (MES), ERP integration packages from the major automation suppliers and similar software
Other automation-related services provided by automation suppliers
Condition-monitoring equipment and systems
Ancillary systems, such as burner management systems, quality control systems for pulp and paper, etc.
What we don't include:
Pumps and motors
Robotics
Material-handling systems
Supply chain management software
Building automation systems
Fire and security systems
Processing equipment such as mixers, vessels, heaters, etc., as well as process design licenses from suppliers that have engineering divisions
Electrical equipment, such as low-voltage switchgear, etc.
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