Sienna Technologies, INC.
Doing business as Sienna Technologies INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersMukilteo, WA
US patents2
SAM.gov UEIW8VZALJ8J617
CAGE code084Z5
Incorporated inWA
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
2 US patents granted 2015–2018, none of them in the five years to SEP 2025.
Chemical engineering 2
- High temperature catalysts for decomposition of liquid monopropellants and methods for producing the sameUS 9,855,548 · granted JAN 2, 2018
- Corrosion resistant catalysts for decomposition of liquid monopropellantsUS 9,149,795 · granted OCT 6, 2015
Granted to Sienna Technologies, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Sienna Technologies, INC. | Mukilteo | WA | — | 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.


