​​These business indicators are issued quarterly by the NEMA Industrial Automation Control Products and Systems Section.

The Primary Industrial Control Index illustrates the market’s trend over several years and represents U.S. shipments for:

• Motor starters
• Contactors
• Terminal blocks
• Control circuit devices
• Motor control centers
• Sensors
• Programmable controllers

The Primary Industrial Control and Adjustable Speed Drive Index includes shipments for the items above plus adjustable speed drive systems, providing a broader measure of the marketplace​.

Industrial control equipment, a $2.6 billion U.S. market, is primarily used in industrial applications for the control or regulation—or both—of power utilization apparatus, including motors. Detailed information is only available to NEMA Members. For more information, contact Laurie Soucy​, director, statistical operations.