Verified Nov 2026
Electronics & Software
·

Littleton, Massachusetts
·
Since 2004
Mevion Medical Systems, founded in 2004 and headquartered in Littleton, Massachusetts, is a private company that designs and manufactures compact, single-room proton therapy systems for cancer treatment. Its estimated size is 200-500 employees with revenue in the $10-50M range. The company serves the medical sector and reports offices in the UK and Japan and a joint venture in China. Its MEVION S250-FIT system is now in use at BayCare's St. Joseph's Hospital campus in Tampa, Florida, as reported in November 2026.
Mevion Medical Systems at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
2004
Headquarters
Littleton, Massachusetts
Certifications
ISO 13485
Import activity
100
Industries
Automotive
Electric Vehicles
Medical
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
100
Named foreign suppliers
22
Top origins
China · United Kingdom · South Korea · Germany

Shared foreign counterparties do not establish that these companies buy from Mevion Medical Systems.
What this tells a buyer
No customs or trade shipment data is available for this company, so its trade footprint cannot be assessed; the most recent public development is the November 2026 start of patient treatment on the MEVION S250-FIT at BayCare in Tampa, Florida.
The company holds ISO 13485 certification and its listed capability is electronics and software, with its product line centered on the MEVION S250 series of modular proton therapy systems.
Mevion is privately held, with an estimated revenue band of $10-50M, and its recent public announcements include system selections by Acıbadem and Rönesans for proton therapy programs in Türkiye.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
22 years in operation (founded 2004).
Holds ISO 13485 certification(s) per public sources.
Overview
Mevion Medical Systems, founded in 2004 and headquartered in Littleton, Massachusetts, is a private company that designs and manufactures compact, single-room proton therapy systems for cancer treatment. Its estimated size is 200-500 employees with revenue in the $10-50M range. The company serves the medical sector and reports offices in the UK and Japan and a joint venture in China. Its MEVION S250-FIT system is now in use at BayCare's St. Joseph's Hospital campus in Tampa, Florida, as reported in November 2026.
At a glance
Attribute | Detail |
|---|---|
Founded | 2004 |
Headquarters | Littleton, Massachusetts |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 13485 |
What Mevion Medical Systems makes
The company holds ISO 13485 certification and its listed capability is electronics and software, with its product line centered on the MEVION S250 series of modular proton therapy systems.
Certifications
Mevion Medical Systems is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 13485 — mevion.com
Trade and customs footprint
No customs or trade shipment data is available for this company, so its trade footprint cannot be assessed; the most recent public development is the November 2026 start of patient treatment on the MEVION S250-FIT at BayCare in Tampa, Florida. US customs bill-of-lading records list 100 inbound shipments across 22 foreign suppliers, with top origins including China · United Kingdom · South Korea · Germany.
Latest developments
2026-11-05 — Next-Generation Proton Therapy in Florida: BayCare Now Treating Patients on the MEVION S250-FIT™ on the campus of St. Joseph's Hospital in Tampa (businesswire.com)
2026-09-29 — Acıbadem Selects MEVION S250-FIT for Türkiye’s First Private Proton Therapy Program (businesswire.com)
2026-09-23 — Rönesans Selects MEVION S250-FIT for Landmark Proton Therapy Investment in Türkiye (businesswire.com)
2026-05-26 — Introducing Proton Therapy to Vietnam with Mevion (mevion.com)
2026-05-17 — Introducing Proton Therapy to Southern Italy with Mevion (mevion.com)
2026-05-13 — Mevion to Bring MEVION S250-FIT™ Proton Therapy System to Multidisciplinary Care Setting (businesswire.com)
Facilities
Mevion Medical Systems is headquartered in Littleton, Massachusetts. Public sources also reference these locations:
Littleton, Massachusetts — mevion.com
Company details
Mevion is privately held, with an estimated revenue band of $10-50M, and its recent public announcements include system selections by Acıbadem and Rönesans for proton therapy programs in Türkiye. Mevion Medical Systems was founded in 2004, has an estimated 200-500 employees, and is headquartered in Littleton, Massachusetts. On the LightSource stability read it is rated "Established & active": 22 years in operation (founded 2004). Holds ISO 13485 certification(s) per public sources.
Frequently asked questions
What does Mevion Medical Systems make?
Mevion Medical Systems, founded in 2004 and headquartered in Littleton, Massachusetts, is a private company that designs and manufactures compact, single-room proton therapy systems for cancer treatment. Its estimated size is 200-500 employees with revenue in the $10-50M range. The company serves the medical sector and reports offices in the UK and Japan and a joint venture in China. Its MEVION S250-FIT system is now in use at BayCare's St. Joseph's Hospital campus in Tampa, Florida, as reported in November 2026.
Where is Mevion Medical Systems headquartered?
Mevion Medical Systems is headquartered in Littleton, Massachusetts (300 Foster Street, Littleton, Massachusetts, 01460).
When was Mevion Medical Systems founded?
Mevion Medical Systems was founded in 2004.
How big is Mevion Medical Systems?
Mevion Medical Systems has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
What certifications does Mevion Medical Systems hold?
Mevion Medical Systems lists ISO 13485 on its website. Confirm the certified scope for the specific plant producing your part.
Does Mevion Medical Systems import from overseas suppliers?
US customs bill-of-lading records show 100 inbound shipments for Mevion Medical Systems, with top origins including China · United Kingdom · South Korea · Germany.
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Last verified Nov 2026. Is this your company? Request a correction.
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