Operating signal within 12 months from two or more independent sources.
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
Where these came from
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
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Ch2o Incorporated | Olympia | All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998 | LIKELY ACTIVE | 0.3 KM |
| Pacific Powder Site | Olympia | Explosives Manufacturing 325920 | UNVERIFIED | 7.5 KM |
| Vesuvius USA Site | Chehalis | All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998 | UNVERIFIED | 36.3 KM |
| Lakewood City Muni Sw | Lakewood | Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing 325992 | UNVERIFIED | 35.6 KM |
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.
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 websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord DJ5NMDUC57Z3 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 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


