Tom Brown Inc.

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Dayton T. Brown, Inc.

🇺🇸 United States

1950

201-300 people

Manufacturer/Service Company

Established brand

OEM manufacturer

ODM manufacturer

Product customization

Shipments

Key customer

AMPHENOL

Key market

🇺🇸 United States

Description

Dayton T. Brown, Inc. (DTB) is a premier U.S.-owned and operated engineering, testing, and technical services company headquartered in Bohemia, New York. Founded in 1950, the company has established a 75-year legacy as a preferred provider for the Department of Defense (DoD), aerospace, and high-tech industries. Operating from a 32-acre corporate campus, DTB maintains one of the largest independent engineering and testing laboratories in the United States, supported by a workforce of approximately 300 employees and annual revenues between $25M and $100M. The company specializes in a comprehensive suite of B2B services across four primary divisions: Testing & Engineering, Technical Publications, Product Support & Logistics, and Mission Systems. Their extensive testing capabilities include environmental simulation, dynamics and vibration, structural fatigue, EMI/EMC (RTCA/DO-160 and TEMPEST certified), ballistics, and metallurgy analysis. DTB also provides advanced engineering services such as reverse engineering, rapid prototyping, and failure analysis. Their manufacturing arm features a 10,000 sq. ft. Fabrication and Precision Machining Center capable of CNC milling, turning, and welding for custom components like test stands, actuators, and mission-critical hardware. DTB serves a global client base of industry leaders, including Boeing, Lockheed Martin, Northrop Grumman, and BAE Systems, as well as government agencies like NAVAIR. Beyond aerospace and defense, the company provides specialized services for the rail, medical, and automotive sectors, including Positive Train Control (PTC) testing and S1000D-compliant technical documentation. With additional facilities in Hollywood, Maryland, DTB offers end-to-end product life cycle support, from initial R&D and design engineering to logistics management and the production of mobile SCIFs and satellite shipping containers.

Mission Systems (SCIFs, Shipping Containers, Material Management Support)

Testing & Engineering

Technical Publications

Product Support & Logistics

J.A. Brown Inc.

🇺🇸 United States

1956

5-10 people

Service Company/Distributor/Trading Company

Established brand

Product customization

Description

J.A. Brown Inc. is a specialized engineering firm and distributor focused on noise mitigation and vibration isolation solutions. Founded in 1956 and headquartered in Conshohocken, Pennsylvania, the company has nearly 70 years of experience serving the industrial, commercial, and architectural sectors. Operating as a service provider, distributor, and trading company, they serve a broad region including Pennsylvania, Delaware, and Southern New Jersey. The firm is an official re-seller, installer, and servicing agent for industry-leading brands such as IAC Acoustics, Kinetics Noise Control, and Sound Seal. The company provides an extensive portfolio of industrial-grade acoustic products designed to address complex soundproofing challenges. Core product lines include acoustic doors and windows, enclosures, fabric panels, louvers, and HVAC silencers. They also specialize in vibration isolation systems, such as floating floors, isolated ceilings, and gypsum board isolation clips. For specialized environments, J.A. Brown Inc. offers turnkey solutions including Dyno test rooms, music practice rooms, and anechoic chambers. With a dedicated team of experts, the company offers comprehensive technical services ranging from site evaluation and custom design to professional installation and final compliance testing. They work closely with architects, general contractors, acoustic consultants, and building managers to enhance workplace efficiency and environmental quality through innovative noise control. The company is recognized for its technical consultancy in mechanical and industrial engineering, maintaining a reputation for integrity and long-term client relationships.