Company lists · Data refreshed September 2026
Top 17 Synchronized clock system manufacturers based in the United States
RevenueBase identified 37 company matches for synchronized clock system manufacturers associated with the United States as of September 2026 and tracks 718 professional contacts across them, including 174 with verified work emails. San Jose is the largest hub.
This list covers company matches for synchronized clock system manufacturers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 18, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 17 largest synchronized clock system manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 177 contacts → | ||||
Exact match “Symmetricom was acquired by Microsemi Corporation in November 2013.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 2 | 88 contacts → | ||||
Exact match “Primex is a global market leader of synchronized time, advanced monitoring and facility compliance technologies that improve operational efficiency and reduce risk for Healthcare…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 3 | 39 contacts → | ||||
Exact match “Brandywine Communications is the premier supplier of GPS and time code based precision time and frequency products.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 4 | 38 contacts → | ||||
Exact match “Headquartered in Atlanta, Georgia, Lathem is one of the world's leading designers and manufacturers of products for business.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 5 | 31 contacts → | ||||
Exact match “A family company for over 100 years, National Time provides products and services that inform and protect people.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 6 | 22 contacts → | ||||
Exact match “Masterclock designs and manufactures a variety of precise timekeeping products to keep both facilities and people synchronized.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 7 | 17 contacts → | ||||
Exact match “Founded in 1897, Chelsea Clock is the oldest and one of the largest clock making companies in the United States.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 8 | 13 contacts → | ||||
Exact match “Xairos offers secure and accurate timing through entangled photons.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 9 | 12 contacts → | ||||
Exact match “Protempis offers solutions providing precise time and synchronization, for telecommunications, communication systems, data centers, financial networks, utilities, factory…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 10 | 11 contacts → | ||||
Exact match “NOVUS is a United States Original Brand Manufacturer of precision timing products, including Rubidium and GNSS locked frequency references, PTP/NTP time servers, distribution…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 11 | 10 contacts → | ||||
Exact match “For over 80 years, Electric Time® has been a master in the art of handcrafted clock manufacture and design.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 12 | 8 contacts → | ||||
Exact match “Precise Time and Frequency, LLC is part of the LGL Group, along with sister company MtronPTI.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “Westclox was originally established in 1884 as United Clock Company of Peru, Illinois based on a new, innovative idea by Charles Stahlberg.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “Qulsar activates new applications and capabilities made possible by precisely synchronized time.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “Hermle North America is a clock manufacturer and importer of quality clocks based in Amherst, Virginia.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “Digital Display Systems Inc.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “In the ever-evolving landscape of timekeeping technology, the paradigm has shifted with the emergence of Top Tech Clocks, redefining the standards for time zone precision.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “synchronized clock system manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 17 of 37 synchronized clock system manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 174 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Synchronized clock system manufacturers based in the United States at a glance
As of Sep 18, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 37 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “synchronized clock system manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 174 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 18, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “synchronized clock system manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many synchronized clock system manufacturers are there based in the United States?
RevenueBase identified 37 company matches for synchronized clock system manufacturers associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Symmetricom IS NOW Microsemi tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most synchronized clock system manufacturers?
San Jose leads with 3 company records, followed by Valley Stream (2) and Wixom (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 174 professional contacts with verified work emails tracked across these 37 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 18, 2026.
Ready to reach these companies? Verified emails and direct dials for all 37 synchronized clock system manufacturers based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 17 synchronized clock system manufacturers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 37 matching company records for synchronized clock system manufacturers based in the United States, with 718 tracked contacts and 174 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 18, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 synchronized clock system manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Symmetricom IS NOW Microsemimicrosemi.comHQ: Aliso Viejo, CA, United StatesReported employees: 1,001-5,000 | Aliso Viejo, CA, United States | 1,001-5,000 | Exact match | 177 contacts → |
“Symmetricom was acquired by Microsemi Corporation in November 2013.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Primexprimexinc.com HQ: Lake Geneva, WI, United StatesReported employees: 51-200 | Lake Geneva, WI, United States | 51-200 | Exact match | 88 contacts → |
“Primex is a global market leader of synchronized time, advanced monitoring and facility compliance technologies that improve operational efficiency and reduce risk for Healthcare…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Brandywine Communicationsbrandywinecomm.com HQ: Santa Ana, CA, United StatesReported employees: 11-50 | Santa Ana, CA, United States | 11-50 | Exact match | 39 contacts → |
“Brandywine Communications is the premier supplier of GPS and time code based precision time and frequency products.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Lathem Timelathem.comHQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 38 contacts → |
“Headquartered in Atlanta, Georgia, Lathem is one of the world's leading designers and manufacturers of products for business.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | National Time & Signalnatsco.net HQ: Wixom, MI, United StatesReported employees: 51-200 | Wixom, MI, United States | 51-200 | Exact match | 31 contacts → |
“A family company for over 100 years, National Time provides products and services that inform and protect people.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Masterclock, INCmasterclock.com HQ: St. Charles, MO, United StatesReported employees: 11-50 | St. Charles, MO, United States | 11-50 | Exact match | 22 contacts → |
“Masterclock designs and manufactures a variety of precise timekeeping products to keep both facilities and people synchronized.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Chelsea Clockchelseaclock.com HQ: Chelsea, MA, United StatesReported employees: 11-50 | Chelsea, MA, United States | 11-50 | Exact match | 17 contacts → |
“Founded in 1897, Chelsea Clock is the oldest and one of the largest clock making companies in the United States.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Xairosxairos.com HQ: Lafayette, CO, United StatesReported employees: 1-10 | Lafayette, CO, United States | 1-10 | Exact match | 13 contacts → |
“Xairos offers secure and accurate timing through entangled photons.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Protempisprotempis.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 12 contacts → |
“Protempis offers solutions providing precise time and synchronization, for telecommunications, communication systems, data centers, financial networks, utilities, factory…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Novus Power Products LLCnovuspower.com HQ: Independence, MO, United StatesReported employees: 11-50 | Independence, MO, United States | 11-50 | Exact match | 11 contacts → |
“NOVUS is a United States Original Brand Manufacturer of precision timing products, including Rubidium and GNSS locked frequency references, PTP/NTP time servers, distribution…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Electric Time Company, INCelectrictime.com HQ: Medfield, MA, United StatesReported employees: 51-200 | Medfield, MA, United States | 51-200 | Exact match | 10 contacts → |
“For over 80 years, Electric Time® has been a master in the art of handcrafted clock manufacture and design.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Precise Time & Frequency, LLCptf-llc.com HQ: Wakefield, MA, United StatesReported employees: 11-50 | Wakefield, MA, United States | 11-50 | Exact match | 8 contacts → |
“Precise Time and Frequency, LLC is part of the LGL Group, along with sister company MtronPTI.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Westcloxnylholdings.com HQ: Valley Stream, NY, United StatesReported employees: 11-50 | Valley Stream, NY, United States | 11-50 | Exact match | 4 contacts → |
“Westclox was originally established in 1884 as United Clock Company of Peru, Illinois based on a new, innovative idea by Charles Stahlberg.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Qulsar, INCqulsar.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 4 contacts → |
“Qulsar activates new applications and capabilities made possible by precisely synchronized time.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hermle North Americahermleclock.com HQ: Amherst, VA, United StatesReported employees: 11-50 | Amherst, VA, United States | 11-50 | Exact match | 3 contacts → |
“Hermle North America is a clock manufacturer and importer of quality clocks based in Amherst, Virginia.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Digital Display Systemsdigitaldisplay.com HQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 3 contacts → |
“Digital Display Systems Inc.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TOP Tech Clocks, LLCtoptechclocks.com HQ: Loughman, FL, United StatesReported employees: 1-10 | Loughman, FL, United States | 1-10 | Exact match | 2 contacts → |
“In the ever-evolving landscape of timekeeping technology, the paradigm has shifted with the emergence of Top Tech Clocks, redefining the standards for time zone precision.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 37 company matches
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Synchronized clock system manufacturers: dataset insights
September 18, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
37 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 37 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 18, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for synchronized clock system manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many synchronized clock system manufacturers did RevenueBase find based in the United States?
The saved snapshot records 37 matching company records, 718 tracked contacts and 174 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 18, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 17 synchronized clock system manufacturers based in the United States. Snapshot: September 18, 2026. https://revenuebase.ai/companies/synchronized-clock-system-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 17 synchronized clock system manufacturers based in the United States
RevenueBase records 37 matching company records for synchronized clock system manufacturers based in the United States, with 718 tracked contacts and 174 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 18, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 synchronized clock system manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Symmetricom IS NOW Microsemimicrosemi.com HQ: Aliso Viejo, CA, United StatesReported employees: 1,001-5,000 | Aliso Viejo, CA, United States | 1,001-5,000 | Exact match | 177 contacts → |
“Symmetricom was acquired by Microsemi Corporation in November 2013.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Primexprimexinc.com HQ: Lake Geneva, WI, United StatesReported employees: 51-200 | Lake Geneva, WI, United States | 51-200 | Exact match | 88 contacts → |
“Primex is a global market leader of synchronized time, advanced monitoring and facility compliance technologies that improve operational efficiency and reduce risk for Healthcare…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Brandywine Communicationsbrandywinecomm.com HQ: Santa Ana, CA, United StatesReported employees: 11-50 | Santa Ana, CA, United States | 11-50 | Exact match | 39 contacts → |
“Brandywine Communications is the premier supplier of GPS and time code based precision time and frequency products.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Lathem Timelathem.com HQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 38 contacts → |
“Headquartered in Atlanta, Georgia, Lathem is one of the world's leading designers and manufacturers of products for business.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | National Time & Signalnatsco.net HQ: Wixom, MI, United StatesReported employees: 51-200 | Wixom, MI, United States | 51-200 | Exact match | 31 contacts → |
“A family company for over 100 years, National Time provides products and services that inform and protect people.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Masterclock, INCmasterclock.com HQ: St. Charles, MO, United StatesReported employees: 11-50 | St. Charles, MO, United States | 11-50 | Exact match | 22 contacts → |
“Masterclock designs and manufactures a variety of precise timekeeping products to keep both facilities and people synchronized.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Chelsea Clockchelseaclock.com HQ: Chelsea, MA, United StatesReported employees: 11-50 | Chelsea, MA, United States | 11-50 | Exact match | 17 contacts → |
“Founded in 1897, Chelsea Clock is the oldest and one of the largest clock making companies in the United States.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Xairosxairos.com HQ: Lafayette, CO, United StatesReported employees: 1-10 | Lafayette, CO, United States | 1-10 | Exact match | 13 contacts → |
“Xairos offers secure and accurate timing through entangled photons.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Protempisprotempis.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 12 contacts → |
“Protempis offers solutions providing precise time and synchronization, for telecommunications, communication systems, data centers, financial networks, utilities, factory…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Novus Power Products LLCnovuspower.com HQ: Independence, MO, United StatesReported employees: 11-50 | Independence, MO, United States | 11-50 | Exact match | 11 contacts → |
“NOVUS is a United States Original Brand Manufacturer of precision timing products, including Rubidium and GNSS locked frequency references, PTP/NTP time servers, distribution…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Electric Time Company, INCelectrictime.com HQ: Medfield, MA, United StatesReported employees: 51-200 | Medfield, MA, United States | 51-200 | Exact match | 10 contacts → |
“For over 80 years, Electric Time® has been a master in the art of handcrafted clock manufacture and design.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Precise Time & Frequency, LLCptf-llc.com HQ: Wakefield, MA, United StatesReported employees: 11-50 | Wakefield, MA, United States | 11-50 | Exact match | 8 contacts → |
“Precise Time and Frequency, LLC is part of the LGL Group, along with sister company MtronPTI.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Westcloxnylholdings.com HQ: Valley Stream, NY, United StatesReported employees: 11-50 | Valley Stream, NY, United States | 11-50 | Exact match | 4 contacts → |
“Westclox was originally established in 1884 as United Clock Company of Peru, Illinois based on a new, innovative idea by Charles Stahlberg.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Qulsar, INCqulsar.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 4 contacts → |
“Qulsar activates new applications and capabilities made possible by precisely synchronized time.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hermle North Americahermleclock.com HQ: Amherst, VA, United StatesReported employees: 11-50 | Amherst, VA, United States | 11-50 | Exact match | 3 contacts → |
“Hermle North America is a clock manufacturer and importer of quality clocks based in Amherst, Virginia.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Digital Display Systemsdigitaldisplay.com HQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 3 contacts → |
“Digital Display Systems Inc.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TOP Tech Clocks, LLCtoptechclocks.com HQ: Loughman, FL, United StatesReported employees: 1-10 | Loughman, FL, United States | 1-10 | Exact match | 2 contacts → |
“In the ever-evolving landscape of timekeeping technology, the paradigm has shifted with the emergence of Top Tech Clocks, redefining the standards for time zone precision.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 37 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Synchronized clock system manufacturers: dataset insights
September 18, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
37 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 37 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 18, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for synchronized clock system manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many synchronized clock system manufacturers did RevenueBase find based in the United States?
The saved snapshot records 37 matching company records, 718 tracked contacts and 174 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 18, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 17 synchronized clock system manufacturers based in the United States. Snapshot: September 18, 2026. https://revenuebase.ai/companies/synchronized-clock-system-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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