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7 companies

Fetterolf Corp.

Skippack, PA, United StatesUpdated Apr 2005

Fetterolf Corporation specializes in the design, manufacture, and distribution of high-quality industrial valves for severe process industries, including chemical, petrochemical, oil, gas, and offshore applications.

Keystone Valve / Tyco Valves & Controls

Houston, TX, United StatesUpdated May 2026

Keystone Valve, originally a Houston-based valve manufacturer acquired by Tyco and now part of Emerson Automation Solutions, produces butterfly valves, actuators, and flow control products used in naval and commercial marine applications.

Larox Flowsys Oy

Lappeenranta, FinlandUpdated Apr 2003

Larox Flowsys is a specialized valve manufacturer providing valve solutions to the most demanding applications. Larox valves are particularly suitable for use with abrasive, aggressive and corrosive slurries, powders or granular substances in shut-off or control applications.

Larox Flowsys Oy

Lappeenranta,, FinlandUpdated Jan 2003

Larox Flowsys Oy is a manufacturer of Larox pinch valves operating worldwide as a leading supplier in its core businesses. Larox valves are used in aggressive and abrasive process conditions in various industries including mining, pulp & paper, chemical, energy, steel, cement and waste water treatment. Larox Flowsys Oy is the only pinch valve manufacturer with certified ISO9001 quality system. The certification is a certified proof that Larox valves comply with the customers’ quality requirements. Larox Flowsys Oy has manufacturing facilities in Lappeenranta, Finland and in Linthicum, Maryland. Our sales network covers over 50 countries worldwide.

Pima Valve Inc.

Chandler, AZ, United StatesUpdated Nov 1998

Pima Valve Inc. manufactures severe-duty bronze marine valves and special bronze and alloy steel products for U.S., Canadian, and NATO-friendly Navy shipboard applications. It operates as a subsidiary of Hunt Valve Company.