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About Master Clock
Master Clocks and Time Distribution - A collection of Telechron, Self Winding Clock Company, Synchronome, and precision frequency standards by Mitchell Janoff.
Its primary NAICS classification is 334519 (Other Measuring and Controlling Device Manufacturing). Master Clock is one of 7,660,543 companies listed in California.
Business Contact Information
- Website
- telechron.com
- Address
- 111 W Saint John St, San Jose, California, 95113, United States
Industry & Classification
NAICS Codes
- 33
- 3345Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
- 334519Other Measuring and Controlling Device Manufacturing
SIC Codes
- 34Fabricated Metal Products, Except Machinery And Transportation Equipment
- 342Cutlery, Handtools, And General Hardware
- 3429Hardware Mfg.
Company Details
- Employees
- 18 (11-20)
- Annual Revenue
- $4.0M ($1M-$5M)
Master Clock: frequently asked questions
What does Master Clock do?
Master Clocks and Time Distribution - A collection of Telechron, Self Winding Clock Company, Synchronome, and precision frequency standards by Mitchell Janoff.
Where is Master Clock located?
Master Clock is headquartered at 111 W Saint John St, San Jose, California, 95113, United States.
How many employees does Master Clock have?
Master Clock has about 18 employees (the 11-20 range).
What is Master Clock's annual revenue?
Master Clock's annual revenue is estimated at $4.0M (the $1M-$5M range).
What industry is Master Clock in?
Master Clock's primary NAICS code is 334519 (Other Measuring and Controlling Device Manufacturing).
How can I contact Master Clock?
Its website is telechron.com.
Largest companies in California
Largest companies on Factur
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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