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Littelfuse, Inc. (NASDAQ: LFUS) is a diversified, industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy. Across more than 20 countries, and with approximately 16,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets – everywhere, every day. Headquartered in Chicago, Illinois, United States, Littelfuse has been driving innovation, technology, and building communities for more than 95 years. View our broad and deep product portfolio: https://www.littelfuse.com/ Littelfuse has had a long-standing commitment to ensuring a diversified workforce through equal employment opportunities. Maintaining a diversified workforce is critical to the success of our organization. Each associate receives equal employment opportunity regardless of race, color, religion, creed, sex (with or without sexual conduct), marital status, national origin, citizenship, ancestry, age, physical or mental disability, medical condition, order of protection status, military status, sexual orientation, gender expression or identity, genetic information, unfavorable discharge from military service, and any other protected class under federal, state or local law.

Website https://www.littelfuse.com/
Ticker LFUS
Revenue $2.2 billion
Employees 5,286 (3,283 on RocketReach)
Founded 1927
Address 6133 N River Rd Suite 500, Rosemont, Illinois 60018, US
Phone +1 773-628-1000
Technologies
Industry Electronics, Manufacturing, Appliances, Electrical, and Electronics Manufacturing, E-Commerce, Manufacturer, Commerce and Shopping, Electronics and Automotive Expertise, Fuses, Consumer Electronics, Varistors, Hardware, Zener Diodes, Fuseholders, SIDACtor Devices, Thyristors, PPTCs, GDTs, Power Distribution, Protection Relays, ESD Protection, Transient Voltage Protection, Short Circuit Protection
Web Rank 156120
Web Visits 308620
Keywords Protection Devices, Circuit Breakers, Circuit Protection, Overcurrent Protection, Switching Devices, Fuses, Electrical Safety, Electrical Components, Electronic Components, Electronics Manufacturing, Power Management, Power Semiconductors, Semiconductor Devices, Sensors, High Voltage Protection, Automotive Electronics, Thermal Management, Electrical Distribution, Industrial Automation, Power Electronics
Competitors Honeywell, Schneider Electric, Eaton, Rockwell Automation, TE Connectivity, Phoenix Contact USA, Amphenol, Mouser Electronics, Bel Fuse Inc., Carling Technologies +47 more (view full list)
SIC SIC Code 3559 Companies, SIC Code 36 Companies, SIC Code 367 Companies, SIC Code 35 Companies, SIC Code 355 Companies
NAICS NAICS Code 333 Companies, NAICS Code 33 Companies, NAICS Code 3332 Companies

Littelfuse Questions

The Littelfuse annual revenue was $2.2 billion in 2026.

Greg Henderson is the CEO of Littelfuse.

3,283 people are employed at Littelfuse.

Littelfuse is based in Rosemont, Illinois.

The NAICS codes for Littelfuse are [333, 33, 3332].

The SIC codes for Littelfuse are [3559, 36, 367, 35, 355].

Top Littelfuse Employees

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