H6 Systems INC

Claim this page

Their homepage, crawled JUL 31, 2026

At a glance

EmployeesNot reported

In business sinceNot reported

Industry

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

HeadquartersNashua, NH

SAM.gov UEIKYHGJNJX87E7

H6 Systems manufactures tube-based high-power RF transmitters and high-voltage modulators used in susceptibility testing, weather radar, health care, research, and security systems. The company builds systems using magnetrons, klystrons, tetrodes, triodes, and TWTs operating at frequencies from 150 MHz to 40 GHz, and integrates these vacuum tubes with modulators, cavities, PLCs, fault systems, cooling equipment, antennas, positioners, and enclosures to produce custom transmitters.

Facility	City	State	Employees	Status
H6 Systems INC	Nashua	NH	—	● ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.