Electrical Geodesics

At a glance

Legal name

Electrical Geodesics, Inc.verifiedSource

1. Cascade Employers — EGI now part of Royal Philipshttps://www.cascadeemployers.com/blog/2018/03/05/weekly-blog/electrical-geodesics-inc.-is-now-part-of-royal-philips/2018-03-05

Updated: 2026-05-04

Aliases

EGI, Magstim EGI, Philips NeuroverifiedSource

1. Cascade Employers — EGI now part of Royal Philipshttps://www.cascadeemployers.com/blog/2018/03/05/weekly-blog/electrical-geodesics-inc.-is-now-part-of-royal-philips/2018-03-05

Updated: 2026-05-04

Type

subsidiaryverifiedSource

1. Cascade Employers — EGI now part of Royal Philipshttps://www.cascadeemployers.com/blog/2018/03/05/weekly-blog/electrical-geodesics-inc.-is-now-part-of-royal-philips/2018-03-05

Updated: 2026-05-04

Focus areas

research-grade, clinical-grade, diagnosticverifiedSource

1. EGI — official sitehttps://www.egi.com

Updated: 2026-05-04

Founded

1992verifiedSource

1. Cascade Employers — EGI now part of Royal Philipshttps://www.cascadeemployers.com/blog/2018/03/05/weekly-blog/electrical-geodesics-inc.-is-now-part-of-royal-philips/2018-03-05

Updated: 2026-05-04

Defunct

—unknownUpdated: 2026-05-04

Spinout of

—unknownUpdated: 2026-05-04

HQ city

EugeneverifiedSource

1. Cascade Employers — EGI now part of Royal Philipshttps://www.cascadeemployers.com/blog/2018/03/05/weekly-blog/electrical-geodesics-inc.-is-now-part-of-royal-philips/2018-03-05

Updated: 2026-05-04

HQ country

USverifiedSource

1. Cascade Employers — EGI now part of Royal Philipshttps://www.cascadeemployers.com/blog/2018/03/05/weekly-blog/electrical-geodesics-inc.-is-now-part-of-royal-philips/2018-03-05

Updated: 2026-05-04

Employees

51-200 (as of 2018-03-05)verifiedSource

1. Cascade Employers — EGI now part of Royal Philipshttps://www.cascadeemployers.com/blog/2018/03/05/weekly-blog/electrical-geodesics-inc.-is-now-part-of-royal-philips/2018-03-05

Updated: 2026-05-04

Flagship device

egi-geodesic-400verifiedSource

1. EGI — official sitehttps://www.egi.com

Updated: 2026-05-04

Product lines

—unknownUpdated: 2026-05-04

In-house manufacturing

YesverifiedSource

1. EGI — official sitehttps://www.egi.com

Updated: 2026-05-04

Open source

NoverifiedSource

1. EGI — official sitehttps://www.egi.com

Updated: 2026-05-04

GitHub org

—unknownUpdated: 2026-05-04

Website

egi.comverifiedSource

1. EGI — official sitehttps://www.egi.com

Updated: 2026-05-04

Blog

—unknownUpdated: 2026-05-04

Support

—unknownUpdated: 2026-05-04

Devices

• non-invasiveEEG

  Geodesic Sensor Net 256

  egi

  256 channels—
• non-invasiveEEG

  Geodesic EEG System 400

  egi

  256 channels—

People

MilestonesverifiedSource

1. Cascade Employers — EGI now part of Royal Philipshttps://www.cascadeemployers.com/blog/2018/03/05/weekly-blog/electrical-geodesics-inc.-is-now-part-of-royal-philips/2018-03-05

Updated: 2026-05-04

1. 1992

   Electrical Geodesics founded by Don Tucker in Eugene, OR (UO spinout)

2. 2017

   Acquired by Royal Philips for $36.7M

3. 2020

   Magstim acquires the EGI product portfolio

Reputation

Pioneering dense-array EEG vendor — the saline-sponge Geodesic Sensor Net is the dominant infant / paediatric EEG platform globally. Has changed hands multiple times (Philips 2017 → Magstim 2020) but the technology lineage is intact.