Electronics Manufacturing in Southern California
Southern California has a deep electronics manufacturing heritage, rooted in aerospace, defense, telecommunications, and consumer technology. Orange County, Los Angeles, and the Inland Empire host companies producing printed circuit boards, semiconductors, memory products, sensors, and electronic components. Riverside, just south of Rialto, is home to one of the region's most respected component manufacturers.
Rialto contributes to this ecosystem through its logistics infrastructure. Distribution centers in and around the city store and ship electronics to retailers and businesses across the country. Local manufacturers, contractors, and technology companies also depend on reliable electronics suppliers for components and contract manufacturing services.
How We Chose These Companies
We considered regional presence, manufacturing capabilities, product quality, innovation, and relevance to businesses in Rialto and the Inland Empire. The list includes local manufacturers, global contract manufacturers, and component specialists.
The Top 10 Electronics Manufacturers Serving Rialto
1. Bourns
Bourns is headquartered in Riverside and manufactures electronic components including circuit protection devices, sensors, resistors, and magnetic products. Founded in Southern California, it has grown into a global supplier used in automotive, industrial, and consumer electronics.
2. TTM Technologies
TTM Technologies, headquartered in Southern California, is one of the largest printed circuit board manufacturers in the world. It serves aerospace, defense, automotive, and networking customers with advanced PCB and radio frequency solutions.
3. Kingston Technology
Kingston Technology, based in Fountain Valley, is a leading independent manufacturer of memory products, including RAM modules, solid-state drives, and USB flash drives. Its products are sold worldwide.
4. Skyworks Solutions
Skyworks Solutions designs and manufactures semiconductors for wireless communications, with significant operations in Southern California. Its chips are found in smartphones, connected devices, and automotive systems.
5. Murrietta Circuits
Murrietta Circuits is a Southern California printed circuit board manufacturer serving aerospace, defense, and medical customers. It is known for quick-turn prototypes and high-reliability boards.
6. Jabil
Jabil is a global manufacturing services company offering design, engineering, and contract manufacturing for electronics, healthcare, and automotive products. Its scale supports companies bringing complex products to market.
7. Flex
Flex provides end-to-end manufacturing solutions, from design to supply chain management. It manufactures electronics for automotive, industrial, healthcare, and consumer markets.
8. Sanmina
Sanmina is a California-based electronics manufacturing services company producing complex products for communications, medical, defense, and industrial customers. It offers advanced PCB assembly and systems integration.
9. Benchmark Electronics
Benchmark Electronics provides engineering and manufacturing services for aerospace, defense, medical, and semiconductor equipment industries, with a focus on high-reliability products.
10. Arrow Electronics
Arrow Electronics is one of the world's largest distributors of electronic components and computing solutions. It helps manufacturers and engineers in the Inland Empire source parts and manage supply chains.
Electronics Industry Trends
The electronics industry is undergoing significant transformation. Efforts to strengthen domestic semiconductor production have encouraged new investments in U.S. manufacturing. Electric vehicles, renewable energy systems, and data centers are driving demand for power electronics and advanced components. Artificial intelligence is increasing demand for high-performance chips and memory.
Supply chain resilience remains a priority after recent disruptions. Many companies are diversifying suppliers and holding more inventory domestically, which increases demand for warehouse space in logistics hubs like Rialto.
How to Choose an Electronics Manufacturing Partner
Businesses should evaluate a manufacturer's certifications, such as ISO 9001 for quality management, AS9100 for aerospace, or ISO 13485 for medical devices. Consider production capacity, lead times, engineering support, and component sourcing capabilities. Visiting facilities and requesting references can provide valuable insight. For startups, choosing a partner that supports both prototypes and volume production simplifies growth.
Electronics Logistics and Rialto's Role
Electronics are high-value, time-sensitive products, which makes efficient logistics essential. Rialto's distribution centers are positioned to receive imported components and finished electronics from the ports of Los Angeles and Long Beach and ship them quickly to customers across the Western United States. Many facilities offer secure storage, climate control, and value-added services such as kitting, labeling, and returns processing.
For electronics manufacturers and distributors, locating inventory in the Inland Empire can shorten delivery times and reduce shipping costs. Third-party logistics providers in Rialto often specialize in handling sensitive goods, protecting against damage and theft while maintaining accurate inventory tracking.
Workforce and Training Opportunities
The growth of electronics manufacturing and distribution creates demand for skilled workers in assembly, quality control, electrical engineering, and equipment maintenance. Community colleges in the Inland Empire offer programs in electronics technology, automation, and industrial maintenance, while universities in the region train engineers in electrical and computer engineering. Employers that partner with these institutions on internships and apprenticeships can build reliable talent pipelines for the future.
Final Thoughts
Electronics power nearly every modern industry, and Southern California remains a key center of innovation and production. The ten companies above represent the strength of the region's electronics manufacturing ecosystem. For Rialto businesses seeking components, contract manufacturing, or supply chain support, these companies offer proven expertise and reliable quality.