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Mellinger Engineering, Incorporated

20366 8th St E, Sonoma, CA 95476

LIKELY ACTIVELAST SEEN IN FEDERAL DATA JAN 2026 · 3 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Industrial Valve Manufacturing332911

Products

Sold by MELLINGER ENGINEERING, INCORPORATED · 2
Valves, Nonpowered · Valves, Powered

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
2 from usaspending_psc · Federal registry
Supplied under federal award N0010426CFA07 (2025-12-09), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Open positions

Openings read from Mellinger Engineering, Incorporated’s own job board on Workable, last checked OCT 23, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

OPENINGS AT MELLINGER ENGINEERING, INCORPORATED, NOT MATCHED TO THIS PLANT

3 more on the company’s board

Where it is

38.27475, -122.43806 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

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Cmouts, LLCSonomaPrefabricated Metal Building and Component Manufacturing
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Gcx CORPPetalumaAll Other Miscellaneous General Purpose Machinery Manufacturing
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Parmatech CorporationPetalumaIron and Steel Mills and Ferroalloy Manufacturing
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Katadyn Desalination, LLCPetalumaCommercial and Service Industry Machinery Manufacturing
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Every listed plant in Sonoma County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 10 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.

  • SAM.gov entity registrationOPERATING
    Record E86EYMJR23D1 · first seen JAN 2026 · last seen JAN 2026
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 814993580|CA|95476|20366 8th st e · first seen DEC 2024 · last seen DEC 2024
  • SBA 7(a) and 504 loan recordsEXISTENCE
    first seen NOV 2016 · last seen NOV 2016

IN SONOMA COUNTY12 other plants share this one’s industry (Other Fabricated Metal Product Manufacturing, NAICS 3329); 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: MELLINGER ENGINEERING, INCORPORATED · JAN 2026
Street address
SAM.gov: 20366 8TH ST E · JAN 2026
City
SAM.gov: SONOMA · JAN 2026
State
SAM.gov: CA · JAN 2026
Coordinates
Census geocoder: 38.274748352878,-122.438062480404 · JUL 2026
Website
SAM.gov: https://www.linkedin.com/company/mellinger-engineering-inc/ · JAN 2026
CAGE code
SAM.gov: 8BEM7 · JAN 2026
Retirement plan filing (Form 5500)
DOL: 25 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
SAM registration expires
SAM.gov: 2027-01-09 · JAN 2026
SBA loans
SBA: 504 loan x2, jobs 10.0 · NOV 2016

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