Verified Nov 2026
Electronics & Software
·
Irvine, California
·
Since 1989
Masimo is a medical technology company headquartered in Irvine, California, founded in 1989. It has an estimated 1,000 to 5,000 employees and an estimated revenue band of $1 to 5 billion. The company develops noninvasive patient monitoring technologies, pulse oximetry systems, and sensors for hospitals and emergency medical services. Its industries include medical, electronics, automotive, electric vehicles, and industrial equipment. Its pulse oximetry technology, Masimo SET, is reported to monitor around 100 million patients annually.
Masimo at a glance
Revenue
$1-5B
Est. band
Employees
1,000-5,000
Founded
1989
Headquarters
Irvine, California
Import activity
1374
Industries
Automotive
Electric Vehicles
Electronics
Medical
Plumbing & Hardware
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
1374
Named foreign suppliers
50
Top origins
China · Singapore · Hong Kong S.A.R. · Taiwan
Shared foreign counterparties do not establish that these companies buy from Masimo.
What this tells a buyer
Masimo was acquired by Danaher, with the transaction completed in June 2026, according to a company press release.
The company's product range includes patient monitors, pulse oximeters, SedLine brain function monitoring, and NomoLine gas monitoring, along with sensors and electronics.
Masimo announced a 14-year collaboration as a corporate supporter of the American Society of Anesthesiologists, and an innovation partnership with Philips was announced in September 2025.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Masimo is a medical technology company headquartered in Irvine, California, founded in 1989. It has an estimated 1,000 to 5,000 employees and an estimated revenue band of $1 to 5 billion. The company develops noninvasive patient monitoring technologies, pulse oximetry systems, and sensors for hospitals and emergency medical services. Its industries include medical, electronics, automotive, electric vehicles, and industrial equipment. Its pulse oximetry technology, Masimo SET, is reported to monitor around 100 million patients annually.
At a glance
Attribute | Detail |
|---|---|
Founded | 1989 |
Headquarters | Irvine, California |
Employees | 1,000-5,000 |
Revenue | $1-5B (estimated) |
Primary capability | Electronics & Software |
What Masimo makes
The company's product range includes patient monitors, pulse oximeters, SedLine brain function monitoring, and NomoLine gas monitoring, along with sensors and electronics.
Products and capabilities described on the company's own site include Sensor, Electronics, Connector (source: masimo.com).
Trade and customs footprint
Masimo was acquired by Danaher, with the transaction completed in June 2026, according to a company press release. US customs bill-of-lading records list 1374 inbound shipments across 50 foreign suppliers, with top origins including China · Singapore · Hong Kong S.A.R. · Taiwan.
Latest developments
2026-10-17 — Masimo - PRESS RELEASE (masimo.com)
2026-09-01 — ASA Announces 14-Year Collaboration with Masimo as a Corporate Supporter (asahq.org)
2026-06-04 — Masimo - Danaher Completes Acquisition of Masimo Corporation (masimo.com)
2025-12-03 — Masimo Hosts 2025 Investor Day and Details Strategic Roadmap for Durable Growth (streetinsider.com)
2025-09-11 — Philips and Masimo announce innovation partnership - News | Philips (philips.com)
2025-09-10 — Masimo - Masimo Announces Expansion of Strategic Partnership with Philips (masimo.com)
Facilities
Masimo is headquartered in Irvine, California. Public sources also reference these locations:
California — masimo.com
Company details
Masimo announced a 14-year collaboration as a corporate supporter of the American Society of Anesthesiologists, and an innovation partnership with Philips was announced in September 2025. Masimo was founded in 1989, has an estimated 1,000-5,000 employees, and is headquartered in Irvine, California.
Frequently asked questions
What does Masimo make?
Masimo is a medical technology company headquartered in Irvine, California, founded in 1989. It has an estimated 1,000 to 5,000 employees and an estimated revenue band of $1 to 5 billion. The company develops noninvasive patient monitoring technologies, pulse oximetry systems, and sensors for hospitals and emergency medical services. Its industries include medical, electronics, automotive, electric vehicles, and industrial equipment. Its pulse oximetry technology, Masimo SET, is reported to monitor around 100 million patients annually.
Where is Masimo headquartered?
Masimo is headquartered in Irvine, California (52 Discovery, Irvine, California, 92618).
When was Masimo founded?
Masimo was founded in 1989.
How big is Masimo?
Masimo has an estimated 1,000-5,000 employees, with revenue in the $1-5B range (estimated).
Does Masimo import from overseas suppliers?
US customs bill-of-lading records show 1374 inbound shipments for Masimo, with top origins including China · Singapore · Hong Kong S.A.R. · Taiwan.
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Last verified Nov 2026. Is this your company? Request a correction.
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