NATIONAL CONTROLS INC.

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National Controls Incorporated is a sales and service organization with over 35 years experience. We were formally known as Sigmacal. We pride ourselves on providing customers with high-quality products and personal service. Our office is conveniently located in the Los Angeles County area.

Providing good service means taking the time to listen. We will work with you every step of the way to make sure you receive the services you need. Our business is client-oriented, and we maintain strict confidentiality.

We hope you'll find the information you need on this site about our company and the products and services we provide. We look forward to working with you.


We are proud members of the following organizations:
ISA MEMBER

YASHIMA SOKKI CO. & SIGMA CONTROLS
Temperature Controls
Temperature Indicators
Temperature Alarms
Programmers
Recorders

INSTRUMENTATION-SENSORS-KILNS
GAS SYSTEMS

SERVICE
FREE ESTIMATES
COMPETITIVE RATES
PREVENTIVE MAINTENANCE CONTRACT
CALIBRATIONS
REPAIRS
GAS OR ELECTRIC OVENS
OVEN FURNACE SURVEYS
TRACEABLE TO NATIONAL INSTITUTE OF TECHNOLOGY

National Controls Inc.
832 Paige Drive, Pomona, CA 91768 
Phone (909)623-8890 Fax (909)623-8839

Contact Us at
www.nationalcontrolsinc.com E-Mail Us at natconinc@aol.com