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Sienna Technologies, INC.

Doing business as Sienna Technologies INC
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www.siennatech.com
Homepage of Sienna Technologies, INC.
Their homepage, crawled AUG 1, 2026
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersMukilteo, WA
US patents2
SAM.gov UEIW8VZALJ8J617
CAGE code084Z5
Incorporated inWA
LISTED ON FACTORYREGISTRY67%SOURCE COVERAGE

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

Granted to Sienna Technologies, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0

Their plant

FacilityCityStateEmployeesStatus
Sienna Technologies, INC.MukilteoWA— 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.