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Lmi Aerospace INC

3600 Mueller Rd, Saint Charles, MO 63301

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 4 SOURCES

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

WARN ACT NOTICE FILED WITH THE STATE
  • Layoff notice effective JUN 22, 2020 · 60 employees · filed JUN 9, 2020 · Layoff — recorded; a layoff does not change the status

Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.

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What they make

Other Aircraft Parts and Auxiliary Equipment Manufacturing336413

Where it is

38.81987, -90.49905 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Leonards Metal INC - Mueller Road PlantSt. CharlesPowder Metallurgy Part Manufacturing
332117
UNVERIFIED0.3 KM
Craftsmen Industries, INC.Saint CharlesTruck Trailer Manufacturing
336212
ACTIVE0.9 KM
Patriot Machine, INC.Saint CharlesOther Aircraft Parts and Auxiliary Equipment Manufacturing
336413
ACTIVE1.7 KM
Leonards Metal INCSt CharlesCommercial Printing (except Screen and Books)
323111
UNVERIFIED2.3 KM
Sonaca North America - STC - HWY 94Saint CharlesOther Aircraft Parts and Auxiliary Equipment Manufacturing
336413
LIKELY ACTIVE2.3 KM

Every listed plant in St. Charles County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 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.

  • The company’s own websiteOPERATING
    first seen OCT 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record DL7TF6W5Z994 · first seen APR 2026 · last seen APR 2026
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 431309065|MO|63301|3600 mueller rd · first seen DEC 2024 · last seen DEC 2024
  • State WARN plant-closing and layoff noticesEXISTENCE
    first seen JUN 2020 · last seen JUN 2020

IN ST. CHARLES COUNTY11 other plants share this one’s industry (Aerospace Product and Parts Manufacturing, NAICS 3364); 4 of them have 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: LMI AEROSPACE INC · APR 2026
Street address
SAM.gov: 3600 MUELLER RD · APR 2026
City
SAM.gov: SAINT CHARLES · APR 2026
State
SAM.gov: MO · APR 2026
Coordinates
Census geocoder: 38.819872193026,-90.499052605307 · JUL 2026
Website
SAM.gov: www.lmiaerospace.com · APR 2026
CAGE code
SAM.gov: 98465 · APR 2026
Retirement plan filing (Form 5500)
DOL: 1,218 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
SAM registration expires
SAM.gov: 2027-03-31 · APR 2026
State business registration
TX Comptroller: LMI AEROSPACE, INC., registered with the Texas Comptroller of Public Accounts; Corporation; registered 2023-11-09; active · NOV 2023

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