Sign in

Private company

OpenFive

Open-Silicon was an American semiconductor company based in California that was founded in 2003. The company was a fabless semiconductor company that focused on custom system on chip (SoC) designs.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

2003Founded1

See how the biggest companies compare on our leaderboards

Open-Silicon was an American semiconductor company based in California that was founded in 2003. The company was a fabless semiconductor company that focused on custom system on chip (SoC) designs.2

Corporate structure

OpenFive is part of a group headed by SiFive. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • SiFive Wilmington, Delaware, United States
    • OpenFive Milpitas

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Products and brands

  • application-specific integrated circuit

Listed on Wikidata.1

Timeline

  1. 2003Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2