Waterous Company
At a glance
Employees100-499
In business sinceNot reported
Industry
HeadquartersSouth Saint Paul, MN
US patents12
SAM.gov UEIHK4BRL97PRG8
CAGE code79218
Incorporated inMN
Brands
This company sells these brands.
- fire pumps
- fire suppression equipment
- hydrants
- valves
- ARFF/FIREBOAT
- nuclear cooling
- 7-year
- limited 5-year
- 2-year
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
12 US patents granted 1976–2017, none of them in the five years to SEP 2025, including 2 design patents.
Mechanical elements 2Control 2Transport 2Engines, pumps, turbines 2Machine tools 1
- Integrated reciprocating primer drive arrangementUS 9,587,641 · granted MAR 7, 2017
- Proportional dynamic ratio control for compressed air foam deliveryUS 9,480,867 · granted NOV 1, 2016
- Top access to a pump module of a fire truckUS 9,457,211 · granted OCT 4, 2016
- Priming valve system for pre-priming centrifugal pump intakesUS 9,175,686 · granted NOV 3, 2015
- Power take-off clutch assemblyUS 9,145,053 · granted SEP 29, 2015
Newest 5 shown · Granted to Waterous Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Waterous Company | South Saint Paul | MN | 100–499 | 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.