Griswold Controls LLC
At a glance
EmployeesNot reported
In business since1984
HeadquartersIrvine, CA
US patents32
SAM.gov UEIYRKJNC4D4RX5
CAGE code53725
Incorporated inCA
Brands
This company sells these brands.
- irrigation
- stainless steel
- military valves
- complementary HVAC equipment
- building
- installation operation
- manuals
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
32 US patents granted 1981–2024, 4 of them in the five years to SEP 2025.
Mechanical elements 18Chemical engineering 6Control 4Civil engineering 3Measurement 1
- Flow control valve with rolling diaphragmUS 12,098,779 · granted SEP 24, 2024
- Flow control valveUS 11,772,211 · granted OCT 3, 2023
- Flow control valveUS 11,359,738 · granted JUN 14, 2022
- Pressure independent control valve with an electronic control systemUS 10,794,511 · granted OCT 6, 2020
- Axially aligned rotationally adjustable flow control valveUS 10,527,178 · granted JAN 7, 2020
Newest 5 shown · Granted to Griswold Controls, LLC · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Griswold Controls LLC | Irvine | CA | — | 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.