Masterclock, INC.

Claim this page

Their homepage, crawled JUL 31, 2026

At a glance

Employees20-99

In business sinceNot reported

Industry

Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

HeadquartersSaint Charles, MO

SAM.gov UEISXT8K5HELZE8

CAGE code1GZF9

Incorporated inMO

Brands

Dual Channel Production TimerNTP Time ServersGmr5000

This company sells these brands.

• timing
• frequency solutions
• NTP servers
• PC cards
• amplifiers
• digital clocks
• in-house engineering
• Automation
• Aerospace
• Defense
• customer support accessible 365

Supplier designations

Self-certified by the company in its SAM.gov registration

Facility	City	State	Employees	Status
Masterclock, INC.	Saint Charles	MO	20–99	● 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.