Verified Nov 2026
Electronics & Software
·
Brunswick, Lower Saxony
·
Since 1954
PROTEGO® | Braunschweiger Flammenfilter GmbH is a German manufacturer headquartered in Brunswick, Lower Saxony, founded in 1954. It has an estimated 500 to 1,000 employees and an estimated annual revenue of $50 to 100 million, and is not publicly listed. The company makes flame arresters, safety valves, and tank equipment, and serves the automotive, electric-vehicle, renewable-energy, and industrial-equipment sectors. Its most recent reported development is a smart sensor technology announcement for its valve products, dated October 2026.
Protego® | Braunschweiger Flammenfilter GmbH at a glance
Revenue
$50-100M
Est. band
Employees
500-1,000
Founded
1954
Headquarters
Brunswick, Lower Saxony
Certifications
ISO 14001 · ISO 9001
Industries
Automotive
Electric Vehicles
Renewable Energy
Industrial Equipment
STABILITY SIGNALS
Established & active
72 years in operation (founded 1954).
Holds ISO 14001, ISO 9001 certification(s) per public sources.
Overview
PROTEGO® | Braunschweiger Flammenfilter GmbH is a German manufacturer headquartered in Brunswick, Lower Saxony, founded in 1954. It has an estimated 500 to 1,000 employees and an estimated annual revenue of $50 to 100 million, and is not publicly listed. The company makes flame arresters, safety valves, and tank equipment, and serves the automotive, electric-vehicle, renewable-energy, and industrial-equipment sectors. Its most recent reported development is a smart sensor technology announcement for its valve products, dated October 2026.
At a glance
Attribute | Detail |
|---|---|
Founded | 1954 |
Headquarters | Brunswick, Lower Saxony |
Employees | 500-1,000 |
Revenue | $50-100M (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 14001 · ISO 9001 |
What Protego® | Braunschweiger Flammenfilter GmbH makes
The company holds ISO 9001 and ISO 14001 certifications and offers flame arresters, safety valves, and tank equipment, with application-specific engineering and testing services.
Products and capabilities described on the company's own site include Welding, Transmission, Valve, Machining, Casting, Plastic, Aluminum, Steel (source: protego.com).
Certifications
Protego® | Braunschweiger Flammenfilter GmbH is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — protego.com
ISO 9001 — protego.com
Latest developments
2026-10-08 — 🚀 A new milestone for PROTEGO® Valves: Smart Sensor Technology 🚀 | PROTEGO® | Braunschweiger Flammenfilter GmbH (linkedin.com)
2026-09-14 — We’re excited to welcome Welsford Co.. as a new PROTEGO® sales representative in Pennsylvania. | PROTEGO (USA), Inc. subsidiary of PROTEGO® | Braunschweiger Flammenfilter GmbH (linkedin.com)
2026-08-22 — Expanding Our Testing Capacity for Greater Reliability | PROTEGO® India - 100% subsidiary of PROTEGO® | Braunschweiger Flammenfilter GmbH (linkedin.com)
2026-06-02 — PROTEGO France est heureux d’annoncer officiellement son partenariat avec Western Partners Consulting Ltd pour le marché ivoirien. | PROTEGO® France subsidiary of PROTEGO® | Braunschweiger Flammenfilter GmbH (linkedin.com)
2026-02-03 — 📢Cutting-Edge Technology: New Laser System for Cutting Welded Components Implemented for Exceptional Quality | PROTEGO® | Braunschweiger Flammenfilter GmbH (linkedin.com)
Company details
The company is family-owned and operates subsidiaries in several countries, including the United States, France, India, and the Middle East. Protego® | Braunschweiger Flammenfilter GmbH was founded in 1954, has an estimated 500-1,000 employees, and is headquartered in Brunswick, Lower Saxony. On the LightSource stability read it is rated "Established & active": 72 years in operation (founded 1954). Holds ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Protego® | Braunschweiger Flammenfilter GmbH make?
PROTEGO® | Braunschweiger Flammenfilter GmbH is a German manufacturer headquartered in Brunswick, Lower Saxony, founded in 1954. It has an estimated 500 to 1,000 employees and an estimated annual revenue of $50 to 100 million, and is not publicly listed. The company makes flame arresters, safety valves, and tank equipment, and serves the automotive, electric-vehicle, renewable-energy, and industrial-equipment sectors. Its most recent reported development is a smart sensor technology announcement for its valve products, dated October 2026.
Where is Protego® | Braunschweiger Flammenfilter GmbH headquartered?
Protego® | Braunschweiger Flammenfilter GmbH is headquartered in Brunswick, Lower Saxony (11 Industriestrasse, Brunswick, Lower Saxony, 38110).
When was Protego® | Braunschweiger Flammenfilter GmbH founded?
Protego® | Braunschweiger Flammenfilter GmbH was founded in 1954.
How big is Protego® | Braunschweiger Flammenfilter GmbH?
Protego® | Braunschweiger Flammenfilter GmbH has an estimated 500-1,000 employees, with revenue in the $50-100M range (estimated).
What certifications does Protego® | Braunschweiger Flammenfilter GmbH hold?
Protego® | Braunschweiger Flammenfilter GmbH lists ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
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Last verified Nov 2026. Is this your company? Request a correction.
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