Analog Computing
Continuous signal processing using analog circuits for energy-efficient AI, neural networks, and scientific computing.
MACOM Technology
US · Lowell, MAHigh-performance RF, microwave, and mmWave products. GaN power amplifiers for aerospace and defense.
RFHIC Corporation
KR · South KoreaGlobal leader in GaN-based RF and microwave components. Everything from transistors to high-power systems.
Analog Devices
US · Wilmington, MAHigh-precision mixed-signal DSPs. SHARC and Blackfin processors for audio, industrial, medical.
RAAAM Memory
IL · IsraelAnalog memory for AI. In-memory computing technology.
SEMRON
DE · DresdenGerman analog AI chip startup using memcapacitor technology. Encoding neural network weights in hardware for extreme energy efficiency in AI inference.
Analog Inference
US · United StatesAnalog AI inference chips. Ultra-low power continuous signal processing.
Normal Computing
US · San Francisco, CAThermodynamic computing — physics-based ASICs that exploit natural noise for 1000x energy efficiency gains in generative AI inference. CN101 tape-out completed Aug 2025 (world's first thermodynamic chip). $85M+ raised; Samsung Catalyst, Micron Ventures, Eric Schmidt's First Spark Ventures investors.
Vaire Computing
GB · London, UKAdiabatic reversible computing. $4.5M raised, focus on energy efficiency.
Ozark Integrated Circuits
US · Fayetteville, ARExtreme environment electronics. ICs operating at 200°C+ for aerospace, geothermal, and automotive.
Aspirare Semi
CA · Toronto, CanadaAnalog neuromorphic accelerators. Gen 1, Gen 2, and Edge products.
Anabrid
DE · Frankfurt, GermanyModern analog computers on a chip. Hybrid analog-digital computing 1000x more energy efficient. SPRIND-backed.
Ampleon
NL · Nijmegen, NetherlandsRF power specialist with market-leading GaN and LDMOS solutions for wireless infrastructure.
Blumind
CA · Waterloo, CanadaAnalog keyword spotting. CMOS-based, volume production planned for 2025.
Unconventional AI
US · United StatesBrain-inspired neuromorphic + analog computing targeting "orders of magnitude" greater energy efficiency than GPUs. Mimics the brain's 20W efficiency. Founded by Naveen Rao (former Databricks AI head). $475M seed (Dec 2025), $4.5B valuation. a16z, Lightspeed, Lux Capital, DCVC, Jeff Bezos investors.
Gemesys
EU · EuropeAI chips using memristors for fully analog neural network processing at the edge. Ultra-low power inference.
TetraMem
US · United StatesAnalog in-memory computing chips. ReRAM-based AI accelerators.
MemComputing
US · San Diego, CAPhysics-based computing using memcomputing processors for complex optimization problems.
Aspinity
US · Pittsburgh, PAAnalogML always-on sensing. Voice/acoustic detection at micropower.
Rain Neuromorphics
US · Redwood City, CAAnalog neuromorphic chip with memristors as artificial synapses. 1000x more energy efficient for AI workloads.
Neo Semiconductor
US · United StatesAnalog in-memory computing. Early stage development.
Mythic
US · Austin, TXAnalog Matrix Processor (AMP). $266M total raised; $125M oversubscribed round (Dec 2025, DCVC-led). Starlight product: <1W, supports 1T+ parameter LLMs, robotics/automotive/defense. Honda joint development Feb 2026. First analog AI silicon in production.
EnCharge AI
US · Santa Clara, CAAnalog in-memory computing. $100M Series B (2025), DARPA-backed.
POLYN Technology
IL · Tel Aviv, IsraelNeuromorphic analog processors for edge sensing.
Innatera
NL · Delft, NetherlandsAnalog-mixed signal T1 microcontroller. Ultra-low-power edge computing.
FermionIC
IN · IndiaSemiconductor design company specializing in RF and mixed-signal chip design for wireless applications.
Extropic
US · San Francisco, CAThermodynamic AI computing using superconducting processors. Z1 chip with 250K p-bits, claims 10,000x less energy than GPUs.
Sagence AI
US · United StatesAnalog inference using flash memory. Claims 10% power of H100 for Llama2-70B.
AGNIT Semiconductors
IN · Bengaluru, IndiaAdvanced GaN semiconductors for power electronics. Ministry of Defence contract for defense applications.