Tsi Incorporated

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www.tsi.com

Their homepage, crawled AUG 1, 2026

At a glance

EmployeesNot reported

In business sinceNot reported

Industry

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

HeadquartersShoreview, MN

US patents114

SAM.gov UEIHLY6Q9S8CEV8

CAGE code24575

Incorporated inMN

LEI549300SUCSFQN7DYYL22

Brands

Indoor Environments

Electronics Manufacturing

Healthcare

This company sells these brands.

dust monitors
aerosol generators
cleanroom particle counters
flow meters
indoor air quality meters
noise dosimeters
particle sizers
repairs
calibrations
electronics manufacturing
healthcare
HVAC

Named on the company’s own website, read JUL 29, 2026

CareersCareers page — seen SEP 8, 2026

Supplier designations

For Profit OrganizationManufacturer of GoodsSubchapter S Corporation

Self-certified by the company in its SAM.gov registration

Patents

114 US patents granted 1981–2025, 30 of them in the five years to SEP 2025, including 1 design patent.

Measurement 92Pharmaceuticals 6Chemical engineering 4Other special machines 3Control 2

High-temperature condensation particle counter
US 12,253,452 · granted MAR 18, 2025
Compositions containing adenosine triphosphate (ATP) and methods of use
US 12,251,393 · granted MAR 18, 2025
Stabilization of beta-hydroxyisovaleric acid formulations in soft gel capsules
US 12,133,920 · granted NOV 5, 2024
Photoelectric sensor for seed dispensing system
US 12,022,765 · granted JUL 2, 2024
Differential pressure liquid flow controller
US 11,994,885 · granted MAY 28, 2024

Newest 5 shown · Granted to TSI Group Co., Ltd. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0

Their plant

Facility	City	State	Employees	Status
Tsi Incorporated	Shoreview	MN	—	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.