Overview

Mar Cor manufactures water purification systems and services for hemodialysis, medical, industrial, and laboratory applications. Founded in 1971 and headquartered in Plymouth, Minnesota, the company operates with 200–500 employees and estimated revenue of $10–50 million. A subsidiary of Xylem, Mar Cor serves approximately 5,500 sites across North America and Canada, offering systems with heat disinfection technology, concentrate equipment, and filtration products alongside 24/7 technical support.

At a glance

What Mar Cor makes

Mar Cor holds ISO 13485 certification and supplies 510(k) cleared water treatment systems designed for hemodialysis applications, incorporating reverse osmosis, hollow fiber filtration, and heat disinfection technologies.

Products and capabilities described on the company's own site include Valve, Semiconductor (source: mcpur.com).

Certifications

Mar Cor is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 13485 — mcpur.com

Latest developments

• 2026-10-18 — arun kumar Maurya (linkedin.com)

• 2024-12-19 — 2025 Dialysis Water System Training - Mar Cor | Water, Filtration, & Disinfection Technologies (mcpur.com)

• 2024-11-15 — Tech Note 260-WRO 300 H RO V4.3 Software Release and Custom Presents for GXP - Mar Cor | Water, Filtration, & Disinfection Technologies (mcpur.com)

Company details

Mar Cor is owned by Xylem and operates service locations across the United States and Canada to support medical facilities, industrial operations, and laboratory environments. Mar Cor was founded in 1971, has an estimated 200-500 employees, and is headquartered in Plymouth, Minnesota. On the LightSource stability read it is rated "Established & active": 55 years in operation (founded 1971). Holds ISO 13485 certification(s) per public sources.

Frequently asked questions

What does Mar Cor do?

Mar Cor manufactures water purification systems and services for hemodialysis, medical, industrial, and laboratory applications. Founded in 1971 and headquartered in Plymouth, Minnesota, the company operates with 200–500 employees and estimated revenue of $10–50 million. A subsidiary of Xylem, Mar Cor serves approximately 5,500 sites across North America and Canada, offering systems with heat disinfection technology, concentrate equipment, and filtration products alongside 24/7 technical support.

Where is Mar Cor headquartered?

Mar Cor is headquartered in Plymouth, Minnesota (14550 28th Avenue North, Plymouth, Minnesota, 55447).

When was Mar Cor founded?

Mar Cor was founded in 1971.

How big is Mar Cor?

Mar Cor has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).

What certifications does Mar Cor hold?

Mar Cor lists ISO 13485 on its website. Confirm the certified scope for the specific plant producing your part.

Related suppliers

Explore other suppliers in the LightSource directory:

• A&K Railroad Materials, Inc.

• A&T Europe Spa

• A.Celli Group

• AAC Clyde Space

• Abiogen Pharma S.P.A.

Last verified Nov 2026. Is this your company? Request a correction.