Smith-root INC
At a glance
Employees20-99
In business sinceNot reported
HeadquartersVancouver, WA
US patents18
SAM.gov UEIPD45MS78A175
CAGE code55158
Incorporated inWA
- electrofishers
- sampling
- deterrence systems
- electric fish handling gloves
- barriers
- diversion
- training courses
- rentals
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
18 US patents granted 1994–2024, 3 of them in the five years to SEP 2025, including 3 design patents.
Other special machines 12Chemical engineering 2Measurement 1
- Self-preserving biodegradable environmental DNA filterUS 12,145,107 · granted NOV 19, 2024
- Self-preserving biodegradable environmental DNA filterUS 11,471,837 · granted OCT 18, 2022
- Dynamic environmental water sampling backpackUS 11,307,118 · granted APR 19, 2022
- Systems and methods for electrified fish barriersUS 9,820,474 · granted NOV 21, 2017
- Systems and methods for mobile electrofishing monitoringUS 9,677,236 · granted JUN 13, 2017
Newest 5 shown · Granted to Smith-Root, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Smith-root INC | Vancouver | WA | 20–99 | 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.


