Verified Nov 2026
Electronics & Software
·
Sweetwater, Texas
·
Since 1962
Ludlum Measurements, Inc. is a privately held manufacturer headquartered in Sweetwater, Texas, founded in 1962 and reporting an estimated 100-200 employees. It makes radiation detection instruments, including Geiger counters, scintillation counters, dosimeters, and neutron dose survey meters, and also offers repair, calibration, and training services. Its products serve nuclear medicine, health physics, security, environmental monitoring, and several industrial sectors, including automotive, electronics, medical, and renewable energy.
Ludlum Measurements, Inc. at a glance
Revenue
$10-50M
Est. band
Employees
100-200
Founded
1962
Headquarters
Sweetwater, Texas
Certifications
ISO 9001
Import activity
18
Industries
Automotive
Electric Vehicles
Electronics
Appliance
Medical
Renewable Energy
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
18
Named foreign suppliers
10
Top origins
Taiwan · China · Belgium · Singapore
Shared foreign counterparties do not establish that these companies buy from Ludlum Measurements, Inc..
What this tells a buyer
Ludlum Systems Ltd. marked five years of operation in January 2026, and the company announced in January 2026 that Carl Watt had joined as International Technical Support.
The company holds ISO 9001 certification and lists capabilities in metal stamping, machining, sheet metal fabrication, welding, assembly, tooling, and injection molding.
Ludlum Measurements operates as the parent of the Ludlum Family of Companies, with divisions in the United States and Europe.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
64 years in operation (founded 1962).
Holds ISO 9001 certification(s) per public sources.
Overview
Ludlum Measurements, Inc. is a privately held manufacturer headquartered in Sweetwater, Texas, founded in 1962 and reporting an estimated 100-200 employees. It makes radiation detection instruments, including Geiger counters, scintillation counters, dosimeters, and neutron dose survey meters, and also offers repair, calibration, and training services. Its products serve nuclear medicine, health physics, security, environmental monitoring, and several industrial sectors, including automotive, electronics, medical, and renewable energy.
At a glance
Attribute | Detail |
|---|---|
Founded | 1962 |
Headquarters | Sweetwater, Texas |
Employees | 100-200 |
Revenue | $10-50M (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 9001 |
What Ludlum Measurements, Inc. makes
The company holds ISO 9001 certification and lists capabilities in metal stamping, machining, sheet metal fabrication, welding, assembly, tooling, and injection molding.
Products and capabilities described on the company's own site include Metal Stamping, Stamping, Machining, Sheet Metal, Metal Fabrication, Welding, Assembly, Tooling, Plastic, Injection Molding (source: ludlums.com).
Certifications
Ludlum Measurements, Inc. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — ludlums.com
Trade and customs footprint
Ludlum Systems Ltd. marked five years of operation in January 2026, and the company announced in January 2026 that Carl Watt had joined as International Technical Support. US customs bill-of-lading records list 18 inbound shipments across 10 foreign suppliers, with top origins including Taiwan · China · Belgium · Singapore.
Latest developments
2026-01-19 — We are delighted to announce that Carl Watt has joined the Ludlum Measurements, Inc. team today in the role of International Technical Support. 2026 is going to be exciting year for the … | Ludlum Measurements, Inc. (linkedin.com)
2026-01-08 — Saddle up and save the date! 🤠 | Ludlum Measurements, Inc. (linkedin.com)
2026-01-05 — What a great way to start the new year, by celebrating 5 years of Ludlum Systems Ltd.!🎉 | Ludlum Systems Ltd. (linkedin.com)
2025-10-08 — LACO News & Press Releases – LACO Online (lacoonline.com)
Facilities
Ludlum Measurements, Inc. is headquartered in Sweetwater, Texas. Public sources also reference these locations:
Sweetwater, Texas — ludlums.com
Company details
Ludlum Measurements operates as the parent of the Ludlum Family of Companies, with divisions in the United States and Europe. Ludlum Measurements, Inc. was founded in 1962, has an estimated 100-200 employees, and is headquartered in Sweetwater, Texas. On the LightSource stability read it is rated "Established & active": 64 years in operation (founded 1962). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Ludlum Measurements, Inc. make?
Ludlum Measurements, Inc. is a privately held manufacturer headquartered in Sweetwater, Texas, founded in 1962 and reporting an estimated 100-200 employees. It makes radiation detection instruments, including Geiger counters, scintillation counters, dosimeters, and neutron dose survey meters, and also offers repair, calibration, and training services. Its products serve nuclear medicine, health physics, security, environmental monitoring, and several industrial sectors, including automotive, electronics, medical, and renewable energy.
Where is Ludlum Measurements, Inc. headquartered?
Ludlum Measurements, Inc. is headquartered in Sweetwater, Texas (501 Oak St, Sweetwater, Texas, 79556).
When was Ludlum Measurements, Inc. founded?
Ludlum Measurements, Inc. was founded in 1962.
How big is Ludlum Measurements, Inc.?
Ludlum Measurements, Inc. has an estimated 100-200 employees, with revenue in the $10-50M range (estimated).
What certifications does Ludlum Measurements, Inc. hold?
Ludlum Measurements, Inc. lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Ludlum Measurements, Inc. import from overseas suppliers?
US customs bill-of-lading records show 18 inbound shipments for Ludlum Measurements, Inc., with top origins including Taiwan · China · Belgium · Singapore.
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Last verified Nov 2026. Is this your company? Request a correction.
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