Company lists · Data refreshed November 2026
Top 25 Fiber optic testing companies based in the United States
RevenueBase identified 208 company matches for fiber optic testing companies associated with the United States as of November 2026 and tracks 7,487 professional contacts across them, including 595 with verified work emails. Dallas is the largest hub.
This list covers company matches for fiber optic testing companies 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 November 6, 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 25 largest fiber optic testing companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,904 contacts → | ||||
Exact match “GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 275 contacts → | ||||
Exact match “When we first built our reputation as pioneers in fiber optic cable industry, OCC made a commitment to quality, performance, and service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 153 contacts → | ||||
Exact match “Fiber Instrument Sales, Inc.(FIS) was founded in 1985 to fulfill the growing need in the communications industry for fiber optic cables and connectivity equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 113 contacts → | ||||
Exact match “Amphenol Fiber Systems International (AFSI) is a full service fiber optic company specializing in the fabrication and manufacture of fiber optic connectivity products and systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 107 contacts → | ||||
Exact match “FNS performs all aspects of aerial and underground construction, OSP maintenance, fiber splicing and testing, business fiber installation, fiber relocates, damaged fiber…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 96 contacts → | ||||
Exact match “Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 89 contacts → | ||||
Exact match “Fiber Optic Center, Inc,(FOC), is an international distributor of fiber optic components, equipment and supplies and the industry connection to the most innovative optical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 81 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 43 contacts → | ||||
Exact match “Sumix designs, develops and manufactures high-end test equipment for fiber optic industry, interferometers and inspection probes, industrial USB 3.0 cameras, USB 2.0 cameras and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 32 contacts → | ||||
Exact match “QPC Fiber Optic is an optical technology company based in Southern California, serving customers worldwide since We design and manufacture fiber optic connectors, fiber optic…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 32 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 31 contacts → | ||||
Exact match “Siena Engineering Group is a telecommunications engineering company based out of United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 30 contacts → | ||||
Exact match “Transformative, resilient solutions for secure, scalable, and future-proof networks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 27 contacts → | ||||
Exact match “About Fiber Node Services: Our OEM authorized service includes free pick up and drop off of your repair needs, along with the repair, refurbishing, maintenance and calibrations of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 24 contacts → | ||||
Exact match “Incab America is one of the leading manufacturers of fiber optic cable produced right here in Grapevine, TX.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 22 contacts → | ||||
Exact match “With over 30 years of service and repair in the Telecommunications world, spanning a broad range of industry leading manufacturers, the Digital Repair family have striven to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 22 contacts → | ||||
Exact match “LIGHTEL supplies a broad spectrum of products and services to customers worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 21 contacts → | ||||
Exact match “Incorporated in 1995, N to N Fiber is the Mid Atlantic region’s premier fiber optic specialists, delivering consistent premium quality and reliable services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 20 contacts → | ||||
Exact match “Since its formation in 1995, Fiber Optic.com has become the number one on-line provider of fiber optic products, training and rental solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 19 contacts → | ||||
Exact match “Lightworks Fiber, headquartered in Western Colorado, currently offers Fiber Optic services including duct placement, blowing fiber, pulling fiber, fusion splicing and multiple…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 16 contacts → | ||||
Exact match “Vitex is a dynamic fiber optic solutions provider focusing on active and passive fiber optic connectivity solutions, video transmission products, fiber optic test equipment, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 14 contacts → | ||||
Exact match “Cleerline Technology Group constantly strives to improve all forms of fiber optic technology, from the glass itself to the tools and accessories that are utilized in the process…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 14 contacts → | ||||
Exact match “Megladon Manufacturing is a leading provider of fiber optic products and solutions in Austin, Texas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 13 contacts → | ||||
Exact match “iFiber Optix is an Orange County manufacturer specializing in high-performance fiber optic cable assemblies and communication solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match “Wilcom has been manufacturing reliable, easy-to-use telephone line test equipment and transmission products since 1967.” Recorded in the RevenueBase company graph · Nov 6, 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 “fiber optic testing companies”. 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 25 of 208 fiber optic testing companies based in the United States
See the full list, filter by size, metro and specialty, and access 595 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Fiber optic testing companies based in the United States at a glance
As of Nov 6, 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 208 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 “fiber optic testing companies” 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 595 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 November 6, 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 “fiber optic testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many fiber optic testing companies are there based in the United States?
RevenueBase identified 208 company matches for fiber optic testing companies associated with the United States as of November 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?
Gaotek INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most fiber optic testing companies?
Dallas leads with 4 company records, followed by Fremont (4) and New York (4).
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 595 professional contacts with verified work emails tracked across these 208 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 208 fiber optic testing companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Fiber optic testing companies by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Fiber optic testing companies based in France
- Fiber optic testing companies based in Germany
- Fiber optic testing companies based in India
- Fiber optic testing companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 fiber optic testing companies 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 208 matching company records for fiber optic testing companies based in the United States, with 7,487 tracked contacts and 595 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 25 fiber optic testing companies 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 |  Gaotek INCgaotek.comHQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 4,904 contacts → |
“GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Optical Cable Corporationoccfiber.comHQ: Roanoke, NC, United StatesReported employees: 201-500 | Roanoke, NC, United States | 201-500 | Exact match | 275 contacts → |
“When we first built our reputation as pioneers in fiber optic cable industry, OCC made a commitment to quality, performance, and service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Fiber Instrument Sales, INCfiberinstrumentsales.comHQ: Oriskany, NY, United StatesReported employees: 201-500 | Oriskany, NY, United States | 201-500 | Exact match | 153 contacts → |
“Fiber Instrument Sales, Inc.(FIS) was founded in 1985 to fulfill the growing need in the communications industry for fiber optic cables and connectivity equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Amphenol Fiber Systems Internationalfibersystems.comHQ: Allen, TX, United StatesReported employees: 201-500 | Allen, TX, United States | 201-500 | Exact match | 113 contacts → |
“Amphenol Fiber Systems International (AFSI) is a full service fiber optic company specializing in the fabrication and manufacture of fiber optic connectivity products and systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Fiber Network Services INCfibernetworkservices.comHQ: Manassas, VA, United StatesReported employees: 51-200 | Manassas, VA, United States | 51-200 | Exact match | 107 contacts → |
“FNS performs all aspects of aerial and underground construction, OSP maintenance, fiber splicing and testing, business fiber installation, fiber relocates, damaged fiber…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sunrise Telecomveexinc.comHQ: Fremont, CA, United StatesReported employees: Not recorded | Fremont, CA, United States | Not recorded | Exact match | 96 contacts → |
“Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Fiber Optic Centerfocenter.comHQ: New Bedford, MA, United StatesReported employees: 11-50 | New Bedford, MA, United States | 11-50 | Exact match | 89 contacts → |
“Fiber Optic Center, Inc,(FOC), is an international distributor of fiber optic components, equipment and supplies and the industry connection to the most innovative optical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  GL Communications INCgl.comHQ: Gaithersburg, MD, United StatesReported employees: 201-500 | Gaithersburg, MD, United States | 201-500 | Exact match | 81 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 |  SUMIXsumix.comHQ: Oceanside, CA, United StatesReported employees: 51-200 | Oceanside, CA, United States | 51-200 | Exact match | 43 contacts → |
“Sumix designs, develops and manufactures high-end test equipment for fiber optic industry, interferometers and inspection probes, industrial USB 3.0 cameras, USB 2.0 cameras and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  QPC Fiber Optic, LLCqpcfiber.comHQ: Laguna Niguel, OH, United StatesReported employees: 51-200 | Laguna Niguel, OH, United States | 51-200 | Exact match | 32 contacts → |
“QPC Fiber Optic is an optical technology company based in Southern California, serving customers worldwide since We design and manufacture fiber optic connectors, fiber optic…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Spligitty Fiber Optic Services, INCspligitty.comHQ: West Jordan, UT, United StatesReported employees: 51-200 | West Jordan, UT, United States | 51-200 | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  Siena Engineering Groupsienaengineeringgroup.comHQ: Burlington, WA, United StatesReported employees: 51-200 | Burlington, WA, United States | 51-200 | Exact match | 31 contacts → |
“Siena Engineering Group is a telecommunications engineering company based out of United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tinifibertinifiber.comHQ: Lindenhurst, NY, United StatesReported employees: 51-200 | Lindenhurst, NY, United States | 51-200 | Exact match | 30 contacts → |
“Transformative, resilient solutions for secure, scalable, and future-proof networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Fiber Node Services, INCfibernode.comHQ: Carol Stream, IL, United StatesReported employees: 51-200 | Carol Stream, IL, United States | 51-200 | Exact match | 27 contacts → |
“About Fiber Node Services: Our OEM authorized service includes free pick up and drop off of your repair needs, along with the repair, refurbishing, maintenance and calibrations of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Incab Americaincabamerica.comHQ: Grapevine, TX, United StatesReported employees: 51-200 | Grapevine, TX, United States | 51-200 | Exact match | 24 contacts → |
“Incab America is one of the leading manufacturers of fiber optic cable produced right here in Grapevine, TX.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Digital Repairdigitalrepair.comHQ: Rocky Mount, NC, United StatesReported employees: 51-200 | Rocky Mount, NC, United States | 51-200 | Exact match | 22 contacts → |
“With over 30 years of service and repair in the Telecommunications world, spanning a broad range of industry leading manufacturers, the Digital Repair family have striven to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Lightellightel.comHQ: Renton, WA, United StatesReported employees: 51-200 | Renton, WA, United States | 51-200 | Exact match | 22 contacts → |
“LIGHTEL supplies a broad spectrum of products and services to customers worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  N To N Fiber INCntonfiber.comHQ: Manassas, VA, United StatesReported employees: 51-200 | Manassas, VA, United States | 51-200 | Exact match | 21 contacts → |
“Incorporated in 1995, N to N Fiber is the Mid Atlantic region’s premier fiber optic specialists, delivering consistent premium quality and reliable services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  fiberoptic.comfiberoptic.comHQ: Quakertown, PA, United StatesReported employees: 11-50 | Quakertown, PA, United States | 11-50 | Exact match | 20 contacts → |
“Since its formation in 1995, Fiber Optic.com has become the number one on-line provider of fiber optic products, training and rental solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Lightworks Fiber & Consulting, LLClightworksfiber.comHQ: Hotchkiss, CO, United StatesReported employees: 51-200 | Hotchkiss, CO, United States | 51-200 | Exact match | 19 contacts → |
“Lightworks Fiber, headquartered in Western Colorado, currently offers Fiber Optic services including duct placement, blowing fiber, pulling fiber, fusion splicing and multiple…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Vitex LLCvitextech.comHQ: Hackensack, NJ, United StatesReported employees: 11-50 | Hackensack, NJ, United States | 11-50 | Exact match | 16 contacts → |
“Vitex is a dynamic fiber optic solutions provider focusing on active and passive fiber optic connectivity solutions, video transmission products, fiber optic test equipment, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Cleerline Technology Groupcleerline.comHQ: Missoula, NV, United StatesReported employees: 11-50 | Missoula, NV, United States | 11-50 | Exact match | 14 contacts → |
“Cleerline Technology Group constantly strives to improve all forms of fiber optic technology, from the glass itself to the tools and accessories that are utilized in the process…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Megladon Manufacturing A Tyrex Technology Family Companymegladonmfg.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 14 contacts → |
“Megladon Manufacturing is a leading provider of fiber optic products and solutions in Austin, Texas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ifiber Optixifiberoptix.comHQ: Tustin, CA, United StatesReported employees: 11-50 | Tustin, CA, United States | 11-50 | Exact match | 13 contacts → |
“iFiber Optix is an Orange County manufacturer specializing in high-performance fiber optic cable assemblies and communication solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Wilcom, INCwilcominc.comHQ: Belmont, NH, United StatesReported employees: 11-50 | Belmont, NH, United States | 11-50 | Exact match | 11 contacts → |
“Wilcom has been manufacturing reliable, easy-to-use telephone line test equipment and transmission products since 1967.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 208 company matches
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Fiber optic testing companies: dataset insights
November 6, 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
208 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 208 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: November 6, 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 fiber optic testing companies?
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 fiber optic testing companies did RevenueBase find based in the United States?
The saved snapshot records 208 matching company records, 7,487 tracked contacts and 595 verified emails. The public preview displays 25 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: November 6, 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
Fiber optic testing companies by geography
Cite this list
RevenueBase Data Team. Top 25 fiber optic testing companies based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/fiber-optic-testing-companies/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
- Fiber optic testing companies based in France
- Fiber optic testing companies based in Germany
- Fiber optic testing companies based in India
- Fiber optic testing companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 fiber optic testing companies based in the United States
RevenueBase records 208 matching company records for fiber optic testing companies based in the United States, with 7,487 tracked contacts and 595 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 25 fiber optic testing companies 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 | Gaotek INCgaotek.com HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 4,904 contacts → |
“GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Optical Cable Corporationoccfiber.com HQ: Roanoke, NC, United StatesReported employees: 201-500 | Roanoke, NC, United States | 201-500 | Exact match | 275 contacts → |
“When we first built our reputation as pioneers in fiber optic cable industry, OCC made a commitment to quality, performance, and service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Fiber Instrument Sales, INCfiberinstrumentsales.com HQ: Oriskany, NY, United StatesReported employees: 201-500 | Oriskany, NY, United States | 201-500 | Exact match | 153 contacts → |
“Fiber Instrument Sales, Inc.(FIS) was founded in 1985 to fulfill the growing need in the communications industry for fiber optic cables and connectivity equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Amphenol Fiber Systems Internationalfibersystems.com HQ: Allen, TX, United StatesReported employees: 201-500 | Allen, TX, United States | 201-500 | Exact match | 113 contacts → |
“Amphenol Fiber Systems International (AFSI) is a full service fiber optic company specializing in the fabrication and manufacture of fiber optic connectivity products and systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Fiber Network Services INCfibernetworkservices.com HQ: Manassas, VA, United StatesReported employees: 51-200 | Manassas, VA, United States | 51-200 | Exact match | 107 contacts → |
“FNS performs all aspects of aerial and underground construction, OSP maintenance, fiber splicing and testing, business fiber installation, fiber relocates, damaged fiber…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sunrise Telecomveexinc.com HQ: Fremont, CA, United StatesReported employees: Not recorded | Fremont, CA, United States | Not recorded | Exact match | 96 contacts → |
“Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Fiber Optic Centerfocenter.com HQ: New Bedford, MA, United StatesReported employees: 11-50 | New Bedford, MA, United States | 11-50 | Exact match | 89 contacts → |
“Fiber Optic Center, Inc,(FOC), is an international distributor of fiber optic components, equipment and supplies and the industry connection to the most innovative optical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | GL Communications INCgl.com HQ: Gaithersburg, MD, United StatesReported employees: 201-500 | Gaithersburg, MD, United States | 201-500 | Exact match | 81 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | SUMIXsumix.com HQ: Oceanside, CA, United StatesReported employees: 51-200 | Oceanside, CA, United States | 51-200 | Exact match | 43 contacts → |
“Sumix designs, develops and manufactures high-end test equipment for fiber optic industry, interferometers and inspection probes, industrial USB 3.0 cameras, USB 2.0 cameras and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | QPC Fiber Optic, LLCqpcfiber.com HQ: Laguna Niguel, OH, United StatesReported employees: 51-200 | Laguna Niguel, OH, United States | 51-200 | Exact match | 32 contacts → |
“QPC Fiber Optic is an optical technology company based in Southern California, serving customers worldwide since We design and manufacture fiber optic connectors, fiber optic…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Spligitty Fiber Optic Services, INCspligitty.com HQ: West Jordan, UT, United StatesReported employees: 51-200 | West Jordan, UT, United States | 51-200 | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Siena Engineering Groupsienaengineeringgroup.com HQ: Burlington, WA, United StatesReported employees: 51-200 | Burlington, WA, United States | 51-200 | Exact match | 31 contacts → |
“Siena Engineering Group is a telecommunications engineering company based out of United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tinifibertinifiber.com HQ: Lindenhurst, NY, United StatesReported employees: 51-200 | Lindenhurst, NY, United States | 51-200 | Exact match | 30 contacts → |
“Transformative, resilient solutions for secure, scalable, and future-proof networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fiber Node Services, INCfibernode.com HQ: Carol Stream, IL, United StatesReported employees: 51-200 | Carol Stream, IL, United States | 51-200 | Exact match | 27 contacts → |
“About Fiber Node Services: Our OEM authorized service includes free pick up and drop off of your repair needs, along with the repair, refurbishing, maintenance and calibrations of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Incab Americaincabamerica.com HQ: Grapevine, TX, United StatesReported employees: 51-200 | Grapevine, TX, United States | 51-200 | Exact match | 24 contacts → |
“Incab America is one of the leading manufacturers of fiber optic cable produced right here in Grapevine, TX.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Digital Repairdigitalrepair.com HQ: Rocky Mount, NC, United StatesReported employees: 51-200 | Rocky Mount, NC, United States | 51-200 | Exact match | 22 contacts → |
“With over 30 years of service and repair in the Telecommunications world, spanning a broad range of industry leading manufacturers, the Digital Repair family have striven to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Lightellightel.com HQ: Renton, WA, United StatesReported employees: 51-200 | Renton, WA, United States | 51-200 | Exact match | 22 contacts → |
“LIGHTEL supplies a broad spectrum of products and services to customers worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | N To N Fiber INCntonfiber.com HQ: Manassas, VA, United StatesReported employees: 51-200 | Manassas, VA, United States | 51-200 | Exact match | 21 contacts → |
“Incorporated in 1995, N to N Fiber is the Mid Atlantic region’s premier fiber optic specialists, delivering consistent premium quality and reliable services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | fiberoptic.comfiberoptic.com HQ: Quakertown, PA, United StatesReported employees: 11-50 | Quakertown, PA, United States | 11-50 | Exact match | 20 contacts → |
“Since its formation in 1995, Fiber Optic.com has become the number one on-line provider of fiber optic products, training and rental solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Lightworks Fiber & Consulting, LLClightworksfiber.com HQ: Hotchkiss, CO, United StatesReported employees: 51-200 | Hotchkiss, CO, United States | 51-200 | Exact match | 19 contacts → |
“Lightworks Fiber, headquartered in Western Colorado, currently offers Fiber Optic services including duct placement, blowing fiber, pulling fiber, fusion splicing and multiple…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Vitex LLCvitextech.com HQ: Hackensack, NJ, United StatesReported employees: 11-50 | Hackensack, NJ, United States | 11-50 | Exact match | 16 contacts → |
“Vitex is a dynamic fiber optic solutions provider focusing on active and passive fiber optic connectivity solutions, video transmission products, fiber optic test equipment, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cleerline Technology Groupcleerline.com HQ: Missoula, NV, United StatesReported employees: 11-50 | Missoula, NV, United States | 11-50 | Exact match | 14 contacts → |
“Cleerline Technology Group constantly strives to improve all forms of fiber optic technology, from the glass itself to the tools and accessories that are utilized in the process…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Megladon Manufacturing A Tyrex Technology Family Companymegladonmfg.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 14 contacts → |
“Megladon Manufacturing is a leading provider of fiber optic products and solutions in Austin, Texas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ifiber Optixifiberoptix.com HQ: Tustin, CA, United StatesReported employees: 11-50 | Tustin, CA, United States | 11-50 | Exact match | 13 contacts → |
“iFiber Optix is an Orange County manufacturer specializing in high-performance fiber optic cable assemblies and communication solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Wilcom, INCwilcominc.com HQ: Belmont, NH, United StatesReported employees: 11-50 | Belmont, NH, United States | 11-50 | Exact match | 11 contacts → |
“Wilcom has been manufacturing reliable, easy-to-use telephone line test equipment and transmission products since 1967.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 208 company matches
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Fiber optic testing companies: dataset insights
November 6, 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
208 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 208 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: November 6, 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 fiber optic testing companies?
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 fiber optic testing companies did RevenueBase find based in the United States?
The saved snapshot records 208 matching company records, 7,487 tracked contacts and 595 verified emails. The public preview displays 25 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: November 6, 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
Fiber optic testing companies by geography
Cite this list
RevenueBase Data Team. Top 25 fiber optic testing companies based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/fiber-optic-testing-companies/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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