- https://sambanova.ai/ (Enterprise AI and dataflow-as-a-service for established models)

- https://www.cerebras.net/ (AI accelerator, trying to compete with Nvidia)

- https://www.graphcore.ai/ (Another AI accelerator company, UK based)

- https://femtosense.ai/ (Sparse NNs on very low power chips, cool hardware and software challenges)

- https://sima.ai/ (ML accelerators for embedded applications)

- https://ambiq.com/ (Not AI, but low power chips for wireless using some fancy tech that reduces energy leakage)

- https://www.esperanto.ai/ (RISC-V based Tensor computes chip, founded by Intel Hybrid Parallel Computing Vice President Dave Ditzel)

- https://www.furiosa.ai/ (AI accelerator company which show good results in MLPerf benchmark)

- https://groq.com/ (From the team that built the original TPU at Google)

- https://lightmatter.co/ (Light tubes instead of copper)

- https://www.untether.ai/