Ewr Radar Systems INC

336 Leffingwell Ave, Ste 112, Saint Louis, MO 63122

ACTIVELAST SEEN IN FEDERAL DATA SEP 2026 · 4 SOURCES

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

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Their homepage, crawled JUL 2026

What they make

Other Measuring and Controlling Device Manufacturing334519

solid state weather radars
E700
E800
E900 series
MPDR
transmitters
fixed deployment
Air Force
NOAA

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

Products

Made or handled here · 4

C-Band · e700 series portable doppler radar · e800 series dual polarization weather radar · X-Band

Where these came from

4 from the company’s own website · Company website

url-slug on https://ewradar.com/products/c-band/

Where it is

38.57642, -90.39877 · CENSUS TIGER

COUNTY

St. Louis County

METRO AREA

St. Louis, MO-IL

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STREET VIEW

Open street-level view — APR 2026

Other plants nearby

Facility	City	Industry	Status	Distance
Invention House LLC	Saint Louis	Relay and Industrial Control Manufacturing 335314	ACTIVE	0.3 KM
Nautryx INC.	Saint Louis	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	ACTIVE	3.7 KM
Kemco Tool & Machine CO	St Louis	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	UNVERIFIED	5.2 KM
Black Knight Enterprises LLC	Fenton	Other Measuring and Controlling Device Manufacturing 334519	ACTIVE	6.6 KM
Invent F & W, LLC	Saint Louis	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	ACTIVE	8.0 KM

Every listed plant in St. Louis County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 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 SEP 2026
SAM.gov entity registrationOPERATING
Record WTEKQ7H1C525 · first seen MAY 2026 · last seen MAY 2026
DOL Form 5500 retirement plan filingsOPERATING
Record 562458755|MO|63122|336 leffingwell ave ste 112 · first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record MO|kirkwood|336 leffingwell ave · first seen APR 2020 · last seen APR 2020

IN ST. LOUIS COUNTY32 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 9 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: EWR RADAR SYSTEMS INC · MAY 2026
Street address: SAM.gov: 336 LEFFINGWELL AVE · MAY 2026
City: SAM.gov: SAINT LOUIS · MAY 2026
State: SAM.gov: MO · MAY 2026
Coordinates: Census geocoder: 38.576416933715,-90.39876625507 · JUL 2026
Employees (band): DOL: 1-19 · DEC 2024
Website: SAM.gov: http://www.ewradar.com · MAY 2026
CAGE code: SAM.gov: 047B6 · MAY 2026
Retirement plan filing (Form 5500): DOL: 11 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-16, 11 jobs reported · APR 2020
SAM registration expires: SAM.gov: 2027-05-21 · MAY 2026

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