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Ch2o INC

8820 Old Highway 99 Se, Tumwater, WA 98501

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Ch2o INC
Their homepage, crawled JUL 2026

What they make

All Other Miscellaneous Chemical Product and Preparation Manufacturing325998
  • water treatment
  • irrigation
  • food processing
  • drinking water
  • cleaning
  • boilers
  • oxygen control
  • cooling systems
  • car/truck wash
  • ISO 9000 Quality Certified

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Products

Made or handled here · 6
bio security · drinkable water · Food Processing · general cleaners · return condensate · Water Treatment
Where these came from
6 from the company’s own website · Company website
url-slug on https://www.ch2o.com/product/bio-security/
Sold by CH2O INC · 1
Chemicals

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from
1 from usaspending_psc · Federal registry
Supplied under federal award 15B61723P00000050 (2023-02-01), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.
CAREERS
Careers page — seen SEP 8, 2026

Where it is

46.96035, -122.87924 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Ch2o IncorporatedOlympiaAll Other Miscellaneous Chemical Product and Preparation Manufacturing
325998
LIKELY ACTIVE0.3 KM
Pacific Powder SiteOlympiaExplosives Manufacturing
325920
UNVERIFIED7.5 KM
Vesuvius USA SiteChehalisAll Other Miscellaneous Chemical Product and Preparation Manufacturing
325998
UNVERIFIED36.3 KM
Lakewood City Muni SwLakewoodPhotographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
325992
UNVERIFIED35.6 KM

Every listed plant in Thurston County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

5913_12970
Tumwater, WA
LIKELY ACTIVE325998EMP 20-99

Where this record comes from

3 sources hold this plant, and 11 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record DJ5NMDUC57Z3 · first seen DEC 2025 · last seen DEC 2025
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 910990393|WA|98501|8820 old hwy 99 se · first seen DEC 2024 · last seen DEC 2024

IN THURSTON COUNTY3 other plants share this one’s industry (Other Chemical Product and Preparation Manufacturing, NAICS 3259); 1 of them has a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name
SAM.gov: CH2O INC · DEC 2025
Street address
SAM.gov: 8820 OLD HIGHWAY 99 SE · DEC 2025
City
SAM.gov: TUMWATER · DEC 2025
State
SAM.gov: WA · DEC 2025
Coordinates
Census geocoder: 46.9603499346,-122.879236472305 · JUL 2026
Employees (band)
DOL: 20-99 · DEC 2024
Website
SAM.gov: http://www.ch2o.com · DEC 2025
CAGE code
SAM.gov: 3V894 · DEC 2025
Retirement plan filing (Form 5500)
DOL: 69 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
SAM registration expires
SAM.gov: 2026-11-26 · DEC 2025
State business registrationSOURCES DISAGREE
AK Corporations: CH2O, Inc., registered with the Alaska Division of Corporations, Business and Professional Licensing; Corporation formed in Washington; registered 2008-03-11; active · MAR 2008
OR SOS: CH2O, INC., registered with the Oregon Secretary of State, Corporation Division; Corporation formed in Washington; registered 1986-11-04; active · NOV 1986
WA SOS: CH2O, INC., registered with the Washington Secretary of State; Corporation; active

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