Best Semiconductor Design and Manufacturing Services Companies in California, United States
The 142 best Semiconductor Design and Manufacturing Services companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Akeana.
Ranked: Best Semiconductor Design and Manufacturing Services companies in California
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Akeana Provider of semiconductor manufacturing services | $100M | 22 mo ago | — | Rabin Sugumar Co-Founder & CEO | — | — | 50 patents Advanced CPU microarchitecture: out-of-order, vector, prefetch, and accelerator interconnect techniques | — |
| 2 | Insilica ASIC and system-on-chip solutions | $91M | 70 mo ago | 19 | — | — | — | — | — |
| 3 | DreamBigSemi Provider of semiconductor manufacturing services | $75M | 23 mo ago | 119 | Sohail Syed Co-Founder | Cart FunctionalitySquarespace CommerceSquarespace+13 | Top 50M | — | — |
| 4 | GSME GSME is a global provider of customized silicon solutions, specializing in RF design and power 35Tech top 31%Funding top 37%Growth top 45%Talent bottom 49% All 6 signals ▾Techtop 31% Fundingtop 37% Growthtop 45% Talentbottom 49% Globalbottom 36% Marketbottom 22% Tech: 38 technologies across 5/8 capability areas · Cloud: Cloudflare, Google Cloud Funding: Raised $53.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 35/100 | $53M | 5 mo ago | — | Farhat Jahangir Founder & CEO | WordPressMySQLPHP+27 | Top 10M | — | 1 job opening |
| 5 | Halo Industries Provider of sic wafers, processing, and manufacturing services | $46M | 25 mo ago | 36 | Andrei Iancu Co-Founder & CEO | — | — | — | 1 internship |
| 6 | Retym Developer of digital signal processing for artificial intelligence infrastructure and cloud | $40M | 14 mo ago | 2 | Sachin Gandhi Co-Founder & CEO | WordPress Block EditorElementorWordPress+21 | Top 5M | 34 patents High‑speed serial transceiver design and error‑correction decoding reliability algorithms | — |
| 7 | RJR Technologies Semiconductor packaging solutions: air cavity packages, B-stage epoxies, and sealing systems | $13M | 102 mo ago | 60 | Raymond Bregante Co-Founder & Chairman | — | — | 3 patents Patents concentrated in electrical & electronics | — |
| 8 | WIDCOMM Bluetooth Software and Systems | $12M | 287 mo ago | 75 | — | — | — | — | — |
| 9 | Nusemi | $10M | 113 mo ago | 10 | — | — | — | 2 patents Adaptive wireless transceiver modulation and timing‑based side‑channel communication techniques. | — |
| 10 | Pacific Microchip Provider of ASIC design services for fiber optic and wireless communications | $6M | 28 mo ago | — | Dalius Baranauskas CEO | — | — | — | — |
| 11 | XTAL Incorporated Yield enhancement, software optimization and hardware implementation for semiconductor industry | $5M | 122 mo ago | 6 | Jiangwei Li Co-Founder & CTO | — | — | 16 patents Optical lithography mask design, bias correction, and pattern generation optimization. | — |
| 12 | Ultra Clean Technology Manufactures subsystems for semiconductor devices | $4M | 201 mo ago | 7,765 | — | Apple iCloud MailQ4MediaElement.js+13 | Top 5M | 68 patents Patents concentrated in computing, sensing & instrumentation | — |
| 13 | ChipEstimate Semiconductor IP core portal connecting vendors and foundries for chip design | $4M | 236 mo ago | 2,909 | — | PHPYouTubeBootstrap+9 | Top 5M | — | 1 launch · 1 partnership |
| 14 | Avalent SoC platform and silicon design services | $3M | 288 mo ago | — | DuenShun Wen CEO & President | — | — | — | — |
| 15 | Ambature Innovating a-axis superconducting technology for sustainable, high-performance quantum devices | $3M | 176 mo ago | 26 | Ron Kelly President and CEO | — | — | 83 patents Superconducting electronics and low‑resistance film technologies for quantum and cryogenic devices | — |
| 16 | Celera Offers semiconductor design and application development services | $3M | 81 mo ago | 18 | Abid Hussain CEO | WebflowVimeojsDelivr+11 | Top 50M | 485 patents Automated design and verification of synthetic DNA circuit architectures | — |
| 17 | Tanner Research Advanced R&D in MEMS, electronics, optics, and robotics solutions | $2M | 83 mo ago | — | John Tanner Founder & CEO | BootstrapAmazon Web ServicesjQuery CDN+2 | Top 50M | — | — |
| 18 | IROC Technologies Offers chip designing and micro electronic circuit development services | $1M | 60 mo ago | 18 | Dan Alexandrescu CEO | — | — | — | — |
| 19 | NextFlex Consortium advances hybrid electronics manufacturing through technology development, workforce programs, and… | $600K | 64 mo ago | — | — | WordPressMarkerMySQL+16 | Top 10M | — | — |
| 20 | Atopile Designer & development of electronic circuit | $500K | 24 mo ago | — | Narayan Powderly Co-Founder | Node.jsThree.jsClerk+14 | Top 50M | — | — |
| 21 | Silimate Provider of chip designing services | $500K | 36 mo ago | — | Akash Levy Co-Founder & CTO | Framer SitesReactPriority Hints+5 | Top 50M | 4 patents Automated integrated circuit design and layout optimization tools | — |
| 22 | Inchfab Limited information available | $256K | 64 mo ago | 8 | Parker Gould Co-Founder and CTO | Cart FunctionalitySquarespace CommerceSquarespace+10 | Top 50M | 3 patents Modular benchtop semiconductor fabrication cells for compact, integrated chip processing | — |
Top 12 Semiconductor Design and Manufacturing Services companies in California
#1
Series B · San Jose, California · founded 2021$53Mraised▾
GSME is a global provider of customized silicon solutions, specializing in RF design and power. They offer semiconductor services and are involved in IC design and manufacturing.
- Jan 2026Series B$35M
- Mar 2025Series A$18M
- Feb 2024Seed—
#2
Series D · Cupertino, California · founded 2020 · 2 employees$40.4Mraised▾
Developer of digital signal processing for artificial intelligence infrastructure and cloud. The company designs analog-to-digital converters, digital-to-analog converters, and digital signal processors. They focus on error correction and equalization algorithms. The company’s technologies optimize performance and scalability.
- Mar 2025Series D$75M
- May 2023Series C$40.4M
#3
Series D · San Jose, California · founded 2021$100Mraised▾
Akeana is a venture-funded RISC-V startup founded by industry leaders, offering a range of semiconductor IP solutions, including microcontrollers and processor system IP. The company's suite of IP solutions includes low-end microcontrollers, microprocessor system IP, and a comprehensive processor portfolio. Akeana's innovative approach challenges the semiconductor industry's status quo, providing customizable solutions for clients.
- Aug 2024Series D$100M
#4
Acquired · San Jose, California · founded 2019 · 119 employees$75Mraised▾
Provider of semiconductor manufacturing services
- Jul 2024Series B$75M
#5
Series B · Palo Alto, California · founded 2014 · 36 employees$46Mraised▾
Provider of sic wafers, processing, and manufacturing services
- Apr 2024Series B$46M
#6
Funding Raised · Culver City, California · founded 2006$5.5Mraised▾
Provider of ASIC design services for fiber optic and wireless communications
- Feb 2024Grant (prize money)$200K
- Feb 2022Grant (prize money)$1.4M
- Apr 2018Grant (prize money)$2.2M
- Feb 2017Grant (prize money)$1.2M
#7
Deadpooled · Santa Clara, California · founded 2003 · 19 employees$91.3Mraised▾
Insilica is a fabless semiconductor company operating on the Indo-US model, It provides ASIC and system-on-chip solutions. It focuses on custom and standard high value SoCs where traditional standard flow ASIC providers cannot meet expectations. It offers multimedia and printing processors for various imaging and printing devices, including digital multimedia, digital printing, and mobile imaging.
- Aug 2020Grant (prize money)$224.5K
- Nov 2009Series B$2.1M
- Jan 2009Series B$11.2M
- Feb 2008Conventional Debt$3M
#8
Seed · San Francisco, California · founded 2023$500Kraised▾
Designer & development of electronic circuit
- 2024Seed$500K
#9
Series A · Oakland, California · founded 1987 · 60 employees$13Mraised▾
Semiconductor packaging solutions: air cavity packages, B-stage epoxies, and sealing systems. The company delivers high-reliability, high-performance, and low-cost solutions for semiconductor applications. They provide a comprehensive package solution encompassing every aspect of the semiconductor back-end process. They offer both standard and customized solutions utilizing patented adhesives, sealing processes, semiconductor packaging know-how, and materials science expertise. The company specializes in the development and manufacture of air cavity near hermetic plastic semiconductor packages, pre-applied b-stage epoxy components, and sealing equipment. Their core strength lies in their people, proprietary epoxies and sealing processes, extensive material science knowledge, and expertise in high-performance and high-reliability semiconductor packaging. They are committed to continuously improving the effectiveness of their products and processes by maintaining focus on their customers.
- Dec 2017Series A$5M
- Nov 2017Series A$8M
#10
Acquired · Mountain View, California · founded 2015 · 10 employees$10.2Mraised▾
- Jan 2017Series A$4M
- Sep 2015Series A$6.2M
#11
Acquired · San Diego, California · founded 1998 · 75 employees$11.5Mraised▾
WIDCOMM is the leading provider of Bluetooth software, systems, and designs. Its software enables wireless communication technology used in automotive, computing, consumer electronics, semiconductor and telecommunications industry. WIDCOMM is the first company to launch certified Bluetooth Software (owned by Bluetooth SIG and licensed to WIDCOMM) and is the most widely deployed software and its CEO Hiep Pham won Ernst and Young Entrepreneur of the Year Award.
- Jul 2002Series C$11.5M
#12
Seed · Mountain View, California · founded 2022$500Kraised▾
Provider of chip designing services
- 2023Seed$500K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Semiconductor Design and Manufacturing Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Chip Design Eda in California is moving
A read on the academic research around Chip Design Eda in California — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 511 papers.
UC Berkeley, UCLA, and USC lead California's optimistically-toned chip-design-EDA research, predominantly advancing VLSI and FPGA techniques with low-power performance focus across 511 papers.
- University of California, Berkeley105
- University of California, Los Angeles90
- University of Southern California72
- University of California, San Diego68
- University of California, Santa Barbara44
- Electronic design automation10→19
- Automation5→10
- Scalability6→10
- Physical design8→11
- Boolean satisfiability problem2→5
- Electronic design automation5→9
- Circuit design2→3
- Circuit design1→3
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.