Ysi, INC

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Their homepage, crawled AUG 2, 2026

At a glance

EmployeesNot reported

In business since1700

Industry

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables

HeadquartersSaint Petersburg, FL

SAM.gov UEICJUMWEURJ4D1

Brands

Training, Events, WebinarsMonitoring Buoy Selector

This company sells these brands.

YSI manufactures water quality sampling and monitoring meters and instruments that measure dissolved oxygen, pH, and turbidity. The company produces a range of equipment including multiparameter sondes, auto samplers, colorimeters, photometers, gas chromatography equipment, and total organic carbon analyzers. YSI serves industries including aquaculture, wastewater treatment, drinking water processing, food and beverage, and environmental monitoring.

Facility	City	State	Employees	Status
Ysi, INC	Saint Petersburg	FL	—	● ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.