Top 22 Semiconductor / Chips Manufacturers in California 2026
Last updated
FirmsLedger lists 22 semiconductor / chips manufacturers headquartered in California. That is more than any other state; Massachusetts is next with 7. The largest clusters are in Irvine (4), San Jose (4) and Santa Clara (3), and the other 11 are in 11 more cities. Irvine listings include Skyworks Solutions, Netlist, Mobix Labs and Syntiant.
By specialty, California has semiconductor packaging (29) and PCB manufacturing (2) listings. Capabilities that more than one of them list include testing services (2).
| Company | City | Specialty | Phone | Website |
|---|---|---|---|---|
| Integrated Semiconductor Solutions - ISS | Santa Ana | Process Reliability Stress Testing | (714) 505-0970 | issqual.com |
| Skyworks Solutions | Irvine | RF semiconductor design | (949) 231-1100 | skyworksinc.com |
| Surface Mount Solutions | Santa Clara | Turnkey PCB Assembly | (408) 235-7676 | surfacemountsolutions.com |
| Solid State Devices, Inc. (SSDI) | La Mirada | High-voltage rectifier manufacturing | (562) 404-4474 | ssdi-power.com |
| Tower Semiconductor | Newport Beach | Analog IC foundry services | (949) 435-8000 | towersemi.com |
| Broadcom Inc. | San Jose | Semiconductor design | (949) 926-5000 | broadcom.com |
| I-Chips | San Jose | Image Processing | (408) 577-1432 | i-chips.com |
| Netlist, Inc. | Irvine | Memory module design | (949) 435-0025 | netlist.com |
| OnChip Devices | Santa Clara | Integrated Passive Device fabrication | (408) 654-9365 | onchip.com |
| Semicoa | Hawthorne | Bipolar power transistor manufacturing | (914) 474-4224 | semicoa.com |

Surface Mount Solutions
Santa Clara, California
Surface Mount Solutions (SMS) was founded in 1998 in Santa Clara, California. The company delivers a full spectrum of PCB assembly services, including turnkey, consigned, and quick-turn production, as well as rapid prototyping.

Tower Semiconductor
Newport Beach, California
Tower Semiconductor is headquartered in Newport Beach, California. The foundry manufactures analog ICs using a portfolio of customizable process technologies, including CMOS image sensor flows (CA18/CS18), SiGe BiCMOS (SBC18), and silicon photonics (PH18).
Netlist, Inc.
Irvine, California
Founded in 2000 and headquartered in Irvine, California, Netlist began as a developer of high-performance modular memory subsystems for original equipment manufacturers. Netlist designs and manufactures a range of memory and storage products, including DDR3, DDR4, and DDR5 DIMMs, enterprise NVMe SSDs, and embedded flash storage in form factors such as M.2, mSATA, and 2.5-inch drives.
OnChip Devices
Santa Clara, California
OnChip Devices, Inc. is headquartered in Santa Clara, California.
Semicoa
Hawthorne, California
The company focuses on the design, development, and wafer fabrication of high-reliability devices for demanding environments. Its product line includes bipolar power transistors, small-signal transistors, radiation-hardened devices, and ceramic surface-mount diodes.
- Anchor SemiconductorSanta Clara, California
- California Semiconductor TechnologySanta Monica, California
- Mobix Labs, Inc.Irvine, California
- Spectrolab, Inc.Sylmar, California
- Acorn TechnologiesSan Diego, California
- ChipMOS USASan Jose, California
- HRL Laboratories, LLCMalibu, California
- Lam ResearchFremont, California
- MicrosemiAliso Viejo, California
- Syntiant Corp.Irvine, California
- Northrop Grumman Microelectronics Center (Space Park)Redondo Beach, California
- Maxim IntegratedSan Jose, California
Frequently asked questions
Which semiconductor / chips manufacturers in California list testing services?
2 companies list it: OnChip Devices and ChipMOS USA.
Which certifications do semiconductor / chips manufacturers in California list?
ISO 9001:2015: Integrated Semiconductor Solutions - ISS, Semicoa and HRL Laboratories. AS 9100: Solid State Devices and Tower Semiconductor. AS 9100D: Integrated Semiconductor Solutions - ISS and Semicoa.

