Company lists · Data refreshed November 2026
Top 25 Conference calling system providers based in the United States
RevenueBase identified 168 company matches for conference calling system providers associated with the United States as of November 2026 and tracks 4,783 professional contacts across them, including 676 with verified work emails. Austin is the largest hub.
This list covers company matches for conference calling system providers 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 conference calling system providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,954 contacts → | ||||
Exact match “Plantronics and Polycom are now Poly.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 433 contacts → | ||||
Exact match “Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 266 contacts → | ||||
Exact match “Please be advised that BlueJeans by Verizon is being sunset, concluding in the first half of 2024.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 210 contacts → | ||||
Exact match “Since 1987, Hello Direct has helped small and medium-sized businesses (SMBs) find the right audio and video solutions to stay connected and productive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 176 contacts → | ||||
Exact match “Compunetix is a leading electronic manufacturer in the Pittsburgh area with specialized product divisions delivering world-class solution for remote conferencing, collaboration…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 167 contacts → | ||||
Exact match “Bring teams together, reimagine workspaces, engage new audiences, and delight your customers –– all on the Zoom platform you know and love.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 159 contacts → | ||||
Exact match “ClearOne is a global market leader enabling conferencing, collaboration, and network streaming solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 128 contacts → | ||||
Exact match “Chorus Call Inc, headquartered in Pittsburgh with offices worldwide, delivers 30+ years of event management expertise-operator-assisted conference calls, webcasts, AV support and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 77 contacts → | ||||
Exact match “Streamlined Communications is a leading provider of Audio Conferencing, Collaboration, Webcasting, Virtual Events & Streaming Solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 68 contacts → | ||||
Exact match “Phoenix-based iLinc Communications, Inc, a subsidiary of BroadSoft, Inc.(NASDAQ: BSFT), provides advanced web conferencing services for businesses, governments, and educational…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 48 contacts → | ||||
Exact match “Connecting people is at the core of what we do.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 45 contacts → | ||||
Exact match “With over 25 years of expertise, InComm Conferencing delivers seamless execution of high-stakes events, from large-scale conference calls and operator-assisted meetings to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 42 contacts → | ||||
Exact match “ADVENT Communication Systems is a leader in next-generation business collaboration and communication solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 38 contacts → | ||||
Exact match “GAN Conferencing is a premiere provider of conferencing services, network security, building security, and hosted VoIP phone systems worldwide at affordable prices.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 28 contacts → | ||||
Exact match “Finding a communications services provider that cares about you and your business is rare.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 28 contacts → | ||||
Exact match “Visual Systems Group, Inc.(VSGi) was founded in 1988.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 20 contacts → | ||||
Exact match “Providea Conferencing, an SPS Company is a leading global provider of video conferencing, collaboration and telepresence technology solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 20 contacts → | ||||
Exact match “Callisto Communications is a St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 19 contacts → | ||||
Exact match “At Intellor, we’ve spent 25 years helping government and enterprise customers communicate clearly, securely, and with confidence-whether briefing the public, engaging citizens…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “TelSpan enables organizations worldwide to connect, communicate and collaborate using a variety of video, audio and web conferencing and communications solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 15 contacts → | ||||
Exact match “GCI offers a complete spectrum of collaboration solutions that enables organizations to improve efficiency and increase productivity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 15 contacts → | ||||
Exact match “Digital Future offers small and medium-sized businesses the most cost-effective and reliable Unified Communications and Collaboration solutions available.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 14 contacts → | ||||
Exact match “Internet MegaMeeting, LLC, the company behind MegaMeeting.com was established in October 2003 with the intention of making Audio and Video Conferencing via the web simple and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 14 contacts → | ||||
Exact match “We are a strong and experienced team of Unified Communications and Internet professionals that understand today's cutting-edge applications and technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 12 contacts → | ||||
Exact match “Founded in 1992, Conference America, Inc.” 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 “conference calling system providers”. 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 168 conference calling system providers based in the United States
See the full list, filter by size, metro and specialty, and access 676 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Conference calling system providers 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 168 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 “conference calling system providers” 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 676 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 “conference calling system providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many conference calling system providers are there based in the United States?
RevenueBase identified 168 company matches for conference calling system providers 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?
Polycom tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most conference calling system providers?
Austin leads with 7 company records, followed by New York (6) and San Jose (5).
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 676 professional contacts with verified work emails tracked across these 168 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 168 conference calling system providers 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.
More company lists
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- New lists
- Conference calling system providers based in the United Kingdom
- AI companies based in the United States
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- Manufacturing companies based in the United States
- Media companies based in the United States
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Company intelligence · public preview
Top 25 conference calling system providers 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 168 matching company records for conference calling system providers based in the United States, with 4,783 tracked contacts and 676 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 conference calling system providers 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 |  Polycompolycom.comHQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 1,954 contacts → |
“Plantronics and Polycom are now Poly.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  phone.comphone.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 433 contacts → |
“Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bluejeans By Verizonbluejeans.comHQ: San Jose, CA, United StatesReported employees: 501-1,000 | San Jose, CA, United States | 501-1,000 | Exact match | 266 contacts → |
“Please be advised that BlueJeans by Verizon is being sunset, concluding in the first half of 2024.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Hello Directcalloneinc.comHQ: Cape Canaveral, FL, United StatesReported employees: Not recorded | Cape Canaveral, FL, United States | Not recorded | Exact match | 210 contacts → |
“Since 1987, Hello Direct has helped small and medium-sized businesses (SMBs) find the right audio and video solutions to stay connected and productive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Compunetixcompunetix.comHQ: Monroeville, PA, United StatesReported employees: 201-500 | Monroeville, PA, United States | 201-500 | Exact match | 176 contacts → |
“Compunetix is a leading electronic manufacturer in the Pittsburgh area with specialized product divisions delivering world-class solution for remote conferencing, collaboration…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ZOOMzoom.usHQ: San Jose, CA, United StatesReported employees: 5,001-10,000 | San Jose, CA, United States | 5,001-10,000 | Exact match | 167 contacts → |
“Bring teams together, reimagine workspaces, engage new audiences, and delight your customers –– all on the Zoom platform you know and love.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Clearoneclearone.comHQ: Salt Lake City, UT, United StatesReported employees: 51-200 | Salt Lake City, UT, United States | 51-200 | Exact match | 159 contacts → |
“ClearOne is a global market leader enabling conferencing, collaboration, and network streaming solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Chorus Call INCchoruscall.comHQ: Monroeville, PA, United StatesReported employees: 201-500 | Monroeville, PA, United States | 201-500 | Exact match | 128 contacts → |
“Chorus Call Inc, headquartered in Pittsburgh with offices worldwide, delivers 30+ years of event management expertise-operator-assisted conference calls, webcasts, AV support and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Streamlined Communicationsstreamlinedcommunications.comHQ: NY, United StatesReported employees: 201-500 | NY, United States | 201-500 | Exact match | 77 contacts → |
“Streamlined Communications is a leading provider of Audio Conferencing, Collaboration, Webcasting, Virtual Events & Streaming Solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ilinc Communicationsilinc.comHQ: Phoenix, AZ, United StatesReported employees: 201-500 | Phoenix, AZ, United States | 201-500 | Exact match | 68 contacts → |
“Phoenix-based iLinc Communications, Inc, a subsidiary of BroadSoft, Inc.(NASDAQ: BSFT), provides advanced web conferencing services for businesses, governments, and educational…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Connex Intlconnexintl.comHQ: Danbury, CT, United StatesReported employees: 11-50 | Danbury, CT, United States | 11-50 | Exact match | 48 contacts → |
“Connecting people is at the core of what we do.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Incomm Conferencingincommconferencing.comHQ: Glen Rock, United StatesReported employees: 201-500 | Glen Rock, United States | 201-500 | Exact match | 45 contacts → |
“With over 25 years of expertise, InComm Conferencing delivers seamless execution of high-stakes events, from large-scale conference calls and operator-assisted meetings to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Advent Communicationsadventcom.comHQ: Washington, PA, United StatesReported employees: 51-200 | Washington, PA, United States | 51-200 | Exact match | 42 contacts → |
“ADVENT Communication Systems is a leader in next-generation business collaboration and communication solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GAN Conferencingganconference.com HQ: Lemont, IL, United StatesReported employees: 11-50 | Lemont, IL, United States | 11-50 | Exact match | 38 contacts → |
“GAN Conferencing is a premiere provider of conferencing services, network security, building security, and hosted VoIP phone systems worldwide at affordable prices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Select Communicationsselectcommunications.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 28 contacts → |
“Finding a communications services provider that cares about you and your business is rare.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  VSGIsolutionzinc.comHQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 28 contacts → |
“Visual Systems Group, Inc.(VSGi) was founded in 1988.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Providea Conferencingspscom.comHQ: Camarillo, CA, United StatesReported employees: 51-200 | Camarillo, CA, United States | 51-200 | Exact match | 20 contacts → |
“Providea Conferencing, an SPS Company is a leading global provider of video conferencing, collaboration and telepresence technology solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Callisto Communications, LLCcallistont.comHQ: Chesterfield, MO, United StatesReported employees: 11-50 | Chesterfield, MO, United States | 11-50 | Exact match | 20 contacts → |
“Callisto Communications is a St.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Intellor Groupintellor.comHQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 19 contacts → |
“At Intellor, we’ve spent 25 years helping government and enterprise customers communicate clearly, securely, and with confidence-whether briefing the public, engaging citizens…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Telspantelspan.comHQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 18 contacts → |
“TelSpan enables organizations worldwide to connect, communicate and collaborate using a variety of video, audio and web conferencing and communications solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  GCI INCgciconferencing.comHQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 15 contacts → |
“GCI offers a complete spectrum of collaboration solutions that enables organizations to improve efficiency and increase productivity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Digital Futuredfcloudpbx.comHQ: Costa Mesa, CA, United StatesReported employees: 1-10 | Costa Mesa, CA, United States | 1-10 | Exact match | 15 contacts → |
“Digital Future offers small and medium-sized businesses the most cost-effective and reliable Unified Communications and Collaboration solutions available.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Megameetingmegameeting.comHQ: Encino, CA, United StatesReported employees: 11-50 | Encino, CA, United States | 11-50 | Exact match | 14 contacts → |
“Internet MegaMeeting, LLC, the company behind MegaMeeting.com was established in October 2003 with the intention of making Audio and Video Conferencing via the web simple and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Veraview, LLCveraview.comHQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 14 contacts → |
“We are a strong and experienced team of Unified Communications and Internet professionals that understand today's cutting-edge applications and technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Conference America, INCconferenceamerica.comHQ: Montgomery, AL, United StatesReported employees: 11-50 | Montgomery, AL, United States | 11-50 | Exact match | 12 contacts → |
“Founded in 1992, Conference America, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 168 company matches
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Conference calling system providers: 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
168 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 168 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 conference calling system providers?
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 conference calling system providers did RevenueBase find based in the United States?
The saved snapshot records 168 matching company records, 4,783 tracked contacts and 676 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
Conference calling system providers by geography
Cite this list
RevenueBase Data Team. Top 25 conference calling system providers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/conference-calling-system-providers/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
- Conference calling system providers based in the United Kingdom
- 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
Company intelligence · public preview
Top 25 conference calling system providers based in the United States
RevenueBase records 168 matching company records for conference calling system providers based in the United States, with 4,783 tracked contacts and 676 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 conference calling system providers 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 | Polycompolycom.com HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 1,954 contacts → |
“Plantronics and Polycom are now Poly.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | phone.comphone.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 433 contacts → |
“Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bluejeans By Verizonbluejeans.com HQ: San Jose, CA, United StatesReported employees: 501-1,000 | San Jose, CA, United States | 501-1,000 | Exact match | 266 contacts → |
“Please be advised that BlueJeans by Verizon is being sunset, concluding in the first half of 2024.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hello Directcalloneinc.com HQ: Cape Canaveral, FL, United StatesReported employees: Not recorded | Cape Canaveral, FL, United States | Not recorded | Exact match | 210 contacts → |
“Since 1987, Hello Direct has helped small and medium-sized businesses (SMBs) find the right audio and video solutions to stay connected and productive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Compunetixcompunetix.com HQ: Monroeville, PA, United StatesReported employees: 201-500 | Monroeville, PA, United States | 201-500 | Exact match | 176 contacts → |
“Compunetix is a leading electronic manufacturer in the Pittsburgh area with specialized product divisions delivering world-class solution for remote conferencing, collaboration…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ZOOMzoom.us HQ: San Jose, CA, United StatesReported employees: 5,001-10,000 | San Jose, CA, United States | 5,001-10,000 | Exact match | 167 contacts → |
“Bring teams together, reimagine workspaces, engage new audiences, and delight your customers –– all on the Zoom platform you know and love.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clearoneclearone.com HQ: Salt Lake City, UT, United StatesReported employees: 51-200 | Salt Lake City, UT, United States | 51-200 | Exact match | 159 contacts → |
“ClearOne is a global market leader enabling conferencing, collaboration, and network streaming solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Chorus Call INCchoruscall.com HQ: Monroeville, PA, United StatesReported employees: 201-500 | Monroeville, PA, United States | 201-500 | Exact match | 128 contacts → |
“Chorus Call Inc, headquartered in Pittsburgh with offices worldwide, delivers 30+ years of event management expertise-operator-assisted conference calls, webcasts, AV support and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Streamlined Communicationsstreamlinedcommunications.com HQ: NY, United StatesReported employees: 201-500 | NY, United States | 201-500 | Exact match | 77 contacts → |
“Streamlined Communications is a leading provider of Audio Conferencing, Collaboration, Webcasting, Virtual Events & Streaming Solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ilinc Communicationsilinc.com HQ: Phoenix, AZ, United StatesReported employees: 201-500 | Phoenix, AZ, United States | 201-500 | Exact match | 68 contacts → |
“Phoenix-based iLinc Communications, Inc, a subsidiary of BroadSoft, Inc.(NASDAQ: BSFT), provides advanced web conferencing services for businesses, governments, and educational…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Connex Intlconnexintl.com HQ: Danbury, CT, United StatesReported employees: 11-50 | Danbury, CT, United States | 11-50 | Exact match | 48 contacts → |
“Connecting people is at the core of what we do.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Incomm Conferencingincommconferencing.com HQ: Glen Rock, United StatesReported employees: 201-500 | Glen Rock, United States | 201-500 | Exact match | 45 contacts → |
“With over 25 years of expertise, InComm Conferencing delivers seamless execution of high-stakes events, from large-scale conference calls and operator-assisted meetings to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Advent Communicationsadventcom.com HQ: Washington, PA, United StatesReported employees: 51-200 | Washington, PA, United States | 51-200 | Exact match | 42 contacts → |
“ADVENT Communication Systems is a leader in next-generation business collaboration and communication solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GAN Conferencingganconference.com HQ: Lemont, IL, United StatesReported employees: 11-50 | Lemont, IL, United States | 11-50 | Exact match | 38 contacts → |
“GAN Conferencing is a premiere provider of conferencing services, network security, building security, and hosted VoIP phone systems worldwide at affordable prices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Select Communicationsselectcommunications.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 28 contacts → |
“Finding a communications services provider that cares about you and your business is rare.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | VSGIsolutionzinc.com HQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 28 contacts → |
“Visual Systems Group, Inc.(VSGi) was founded in 1988.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Providea Conferencingspscom.com HQ: Camarillo, CA, United StatesReported employees: 51-200 | Camarillo, CA, United States | 51-200 | Exact match | 20 contacts → |
“Providea Conferencing, an SPS Company is a leading global provider of video conferencing, collaboration and telepresence technology solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Callisto Communications, LLCcallistont.com HQ: Chesterfield, MO, United StatesReported employees: 11-50 | Chesterfield, MO, United States | 11-50 | Exact match | 20 contacts → |
“Callisto Communications is a St.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Intellor Groupintellor.com HQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 19 contacts → |
“At Intellor, we’ve spent 25 years helping government and enterprise customers communicate clearly, securely, and with confidence-whether briefing the public, engaging citizens…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Telspantelspan.com HQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 18 contacts → |
“TelSpan enables organizations worldwide to connect, communicate and collaborate using a variety of video, audio and web conferencing and communications solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | GCI INCgciconferencing.com HQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 15 contacts → |
“GCI offers a complete spectrum of collaboration solutions that enables organizations to improve efficiency and increase productivity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Digital Futuredfcloudpbx.com HQ: Costa Mesa, CA, United StatesReported employees: 1-10 | Costa Mesa, CA, United States | 1-10 | Exact match | 15 contacts → |
“Digital Future offers small and medium-sized businesses the most cost-effective and reliable Unified Communications and Collaboration solutions available.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Megameetingmegameeting.com HQ: Encino, CA, United StatesReported employees: 11-50 | Encino, CA, United States | 11-50 | Exact match | 14 contacts → |
“Internet MegaMeeting, LLC, the company behind MegaMeeting.com was established in October 2003 with the intention of making Audio and Video Conferencing via the web simple and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Veraview, LLCveraview.com HQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 14 contacts → |
“We are a strong and experienced team of Unified Communications and Internet professionals that understand today's cutting-edge applications and technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Conference America, INCconferenceamerica.com HQ: Montgomery, AL, United StatesReported employees: 11-50 | Montgomery, AL, United States | 11-50 | Exact match | 12 contacts → |
“Founded in 1992, Conference America, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 168 company matches
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Conference calling system providers: 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
168 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 168 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 conference calling system providers?
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 conference calling system providers did RevenueBase find based in the United States?
The saved snapshot records 168 matching company records, 4,783 tracked contacts and 676 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
Conference calling system providers by geography
Cite this list
RevenueBase Data Team. Top 25 conference calling system providers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/conference-calling-system-providers/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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