Company lists · Data refreshed September 2026
Top 24 Fax over ip providers based in the United States
RevenueBase identified 49 company matches for fax over ip providers associated with the United States as of September 2026 and tracks 785 professional contacts across them, including 423 with verified work emails. Conshohocken is the largest hub.
This list covers company matches for fax over ip 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 September 20, 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 24 largest fax over ip providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 422 contacts → | ||||
Exact match “Consensus Cloud Solutions, Inc.(NASDAQ: CCSI) is a global leader in digital cloud fax technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 28 contacts → | ||||
Exact match “Built for today’s cloud-first, compliance-driven world, ETHERFAX provides secure cloud faxing and AI-powered document workflow solutions that redefine how teams send, receive, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 26 contacts → | ||||
Exact match “Upland InterFAX is a secure, cloud-based fax service for AI-enablement.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 22 contacts → | ||||
Exact match “Deciding whether a Cloud Fax solution is the right fit for your business requires careful consideration of various factors.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 19 contacts → | ||||
Exact match “For nearly 30 years, FaxBack has been at the forefront of shaping fax technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 17 contacts → | ||||
Exact match “Need your business get connected online quickly, reliably, and securely?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 15 contacts → | ||||
Exact match “WestFax is the leader in cloud based HIPAA compliant fax.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 14 contacts → | ||||
Exact match “Advantage Technologies has been providing on-premises and Cloud-based enterprise fax solutions workflow, and business intelligence solutions for over 25 years.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 9 contacts → | ||||
Exact match “Ingenium is a trusted and experienced technology partner with a focus on mission critical fax communication from any application or platform.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 9 contacts → | ||||
Exact match “T38Fax is a T.38 Fax over IP (FoIP) service provider.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 6 contacts → | ||||
Exact match “iFAX Solutions is a worldwide leader in providing enterprise fax solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “The unique FaxLogic service combines the best of analog fax, Internet fax, and fax servers to create a highly reliable, secure, and scalable collaborative environment.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “The Fax Guys is proud to be one of an elite few OpenText Platinum Partners.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “Providing business phone service through-out the United States since 2005.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “Our customers choose ISC Fax because of our network reliability, high fax delivery success rates and a dependable customer support team.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “PointVoIP is a leading telecommunications provider and consulting.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “Softlinx is a leading provider of HIPAA compliant, secure cloud fax services with its primary market focus on healthcare industry and mid-to-large businesses whose business…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “Proclaim VoIP is an FCC licensed Telecom VoIP Carrier providing Cloud Hosted PBX and SIP Trunking.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Secure SMS and fax, without the worry.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “Paperless Productivity® is the premier provider of RightFax solutions, helping organizations modernize their fax infrastructure with secure, scalable, and fully integrated systems.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “You can rely on high-quality phone service anywhere you have Internet access TNN VoIP phone system is an affordable Internet-based voice and fax platform you can customize…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “As the most experienced RightFax & TeleForm software partners in New England, we provide complete solutions in the field of network and production faxing and automated data entry.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “SwitchLabs is dedicated to providing your organization with the best communication solutions that are tailored to meet the unique needs of your business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “BT Voice is a cloud telecommunications company that delivers flexible, cost effective, reliable and easy to manage voice services for your business.” Recorded in the RevenueBase company graph · Sep 20, 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 “fax over ip 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 24 of 49 fax over ip providers based in the United States
See the full list, filter by size, metro and specialty, and access 423 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Fax over ip providers based in the United States at a glance
As of Sep 20, 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 49 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 “fax over ip 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 423 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 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 “fax over ip providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many fax over ip providers are there based in the United States?
RevenueBase identified 49 company matches for fax over ip providers associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Consensus Cloud Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most fax over ip providers?
Conshohocken leads with 2 company records, followed by Los Angeles (2) and Arden (1).
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 423 professional contacts with verified work emails tracked across these 49 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 24 fax over ip 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 49 matching company records for fax over ip providers based in the United States, with 785 tracked contacts and 423 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 24 fax over ip 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 |  Consensus Cloud Solutionsconsensus.comHQ: Los Angeles, CA, United StatesReported employees: 501-1,000 | Los Angeles, CA, United States | 501-1,000 | Exact match | 422 contacts → |
“Consensus Cloud Solutions, Inc.(NASDAQ: CCSI) is a global leader in digital cloud fax technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Etherfaxetherfax.netHQ: Holmdel, NJ, United StatesReported employees: 11-50 | Holmdel, NJ, United States | 11-50 | Exact match | 28 contacts → |
“Built for today’s cloud-first, compliance-driven world, ETHERFAX provides secure cloud faxing and AI-powered document workflow solutions that redefine how teams send, receive, and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Upland Interfaxuplandsoftware.comHQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 26 contacts → |
“Upland InterFAX is a secure, cloud-based fax service for AI-enablement.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Instant Infosystemsinstantinfosystems.comHQ: Redondo Beach, CA, United StatesReported employees: 11-50 | Redondo Beach, CA, United States | 11-50 | Exact match | 22 contacts → |
“Deciding whether a Cloud Fax solution is the right fit for your business requires careful consideration of various factors.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Faxback, INCfaxback.comHQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 19 contacts → |
“For nearly 30 years, FaxBack has been at the forefront of shaping fax technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fireline Broadbandfirelinebroadband.com HQ: Santa Fe Springs, CA, United StatesReported employees: 11-50 | Santa Fe Springs, CA, United States | 11-50 | Exact match | 17 contacts → |
“Need your business get connected online quickly, reliably, and securely?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Westfax, INCwestfax.comHQ: Centennial, CO, United StatesReported employees: 11-50 | Centennial, CO, United States | 11-50 | Exact match | 15 contacts → |
“WestFax is the leader in cloud based HIPAA compliant fax.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Advantage Technologies, INCatechnologies.comHQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 14 contacts → |
“Advantage Technologies has been providing on-premises and Cloud-based enterprise fax solutions workflow, and business intelligence solutions for over 25 years.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ingenium Softwareingeniumsw.comHQ: Madison, GA, United StatesReported employees: 11-50 | Madison, GA, United States | 11-50 | Exact match | 9 contacts → |
“Ingenium is a trusted and experienced technology partner with a focus on mission critical fax communication from any application or platform.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | T38faxt38fax.com HQ: Conshohocken, PA, United StatesReported employees: 11-50 | Conshohocken, PA, United States | 11-50 | Exact match | 9 contacts → |
“T38Fax is a T.38 Fax over IP (FoIP) service provider.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ifax Solutions, INCifax.comHQ: Conshohocken, PA, United StatesReported employees: 11-50 | Conshohocken, PA, United States | 11-50 | Exact match | 6 contacts → |
“iFAX Solutions is a worldwide leader in providing enterprise fax solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Faxlogicfaxlogic.comHQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 5 contacts → |
“The unique FaxLogic service combines the best of analog fax, Internet fax, and fax servers to create a highly reliable, secure, and scalable collaborative environment.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  The FAX Guysthefaxguys.comHQ: Burnsville, MN, United StatesReported employees: 11-50 | Burnsville, MN, United States | 11-50 | Exact match | 5 contacts → |
“The Fax Guys is proud to be one of an elite few OpenText Platinum Partners.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Trifecta Solutions INCtrifectaphone.com HQ: Bolingbrook, IL, United StatesReported employees: 1-10 | Bolingbrook, IL, United States | 1-10 | Exact match | 4 contacts → |
“Providing business phone service through-out the United States since 2005.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ISC FAXiscfax.com HQ: Hartland, WI, United StatesReported employees: 1-10 | Hartland, WI, United States | 1-10 | Exact match | 4 contacts → |
“Our customers choose ISC Fax because of our network reliability, high fax delivery success rates and a dependable customer support team.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Pointvoip, LLCpointvoip.com HQ: Ronkonkoma, NY, United StatesReported employees: 11-50 | Ronkonkoma, NY, United States | 11-50 | Exact match | 3 contacts → |
“PointVoIP is a leading telecommunications provider and consulting.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Softlinxsoftlinx.comHQ: Stoneham, MA, United StatesReported employees: 11-50 | Stoneham, MA, United States | 11-50 | Exact match | 3 contacts → |
“Softlinx is a leading provider of HIPAA compliant, secure cloud fax services with its primary market focus on healthcare industry and mid-to-large businesses whose business…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Proclaim Voipproclaimvoip.com HQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 3 contacts → |
“Proclaim VoIP is an FCC licensed Telecom VoIP Carrier providing Cloud Hosted PBX and SIP Trunking.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Notifyrenotifyre.comHQ: Salt Lake City, UT, United StatesReported employees: 11-50 | Salt Lake City, UT, United States | 11-50 | Exact match | 3 contacts → |
“Secure SMS and fax, without the worry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Paperless Productivity INCpaperlessproductivity.comHQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 2 contacts → |
“Paperless Productivity® is the premier provider of RightFax solutions, helping organizations modernize their fax infrastructure with secure, scalable, and fully integrated systems.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  TNN Voiptnnvoip.comHQ: Rancho Cucamonga, CA, United StatesReported employees: 11-50 | Rancho Cucamonga, CA, United States | 11-50 | Exact match | 2 contacts → |
“You can rely on high-quality phone service anywhere you have Internet access TNN VoIP phone system is an affordable Internet-based voice and fax platform you can customize…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Atticus Consultingatticusconsulting.comHQ: Medfield, MA, United StatesReported employees: 1-10 | Medfield, MA, United States | 1-10 | Exact match | 2 contacts → |
“As the most experienced RightFax & TeleForm software partners in New England, we provide complete solutions in the field of network and production faxing and automated data entry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Switch Labsswitchlabs.com HQ: Dana Point, CA, United StatesReported employees: 1-10 | Dana Point, CA, United States | 1-10 | Exact match | 1 contacts → |
“SwitchLabs is dedicated to providing your organization with the best communication solutions that are tailored to meet the unique needs of your business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | BT Voicebtvoice.com HQ: White Plains, NY, United StatesReported employees: 1-10 | White Plains, NY, United States | 1-10 | Exact match | 1 contacts → |
“BT Voice is a cloud telecommunications company that delivers flexible, cost effective, reliable and easy to manage voice services for your business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 49 company matches
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Fax over ip providers: dataset insights
September 20, 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
49 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 49 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 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 fax over ip 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 fax over ip providers did RevenueBase find based in the United States?
The saved snapshot records 49 matching company records, 785 tracked contacts and 423 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 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.
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Cite this list
RevenueBase Data Team. Top 24 fax over ip providers based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/fax-over-ip-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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- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
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- Oil and gas companies based in the United States
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Company intelligence · public preview
Top 24 fax over ip providers based in the United States
RevenueBase records 49 matching company records for fax over ip providers based in the United States, with 785 tracked contacts and 423 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 24 fax over ip 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 | Consensus Cloud Solutionsconsensus.com HQ: Los Angeles, CA, United StatesReported employees: 501-1,000 | Los Angeles, CA, United States | 501-1,000 | Exact match | 422 contacts → |
“Consensus Cloud Solutions, Inc.(NASDAQ: CCSI) is a global leader in digital cloud fax technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Etherfaxetherfax.net HQ: Holmdel, NJ, United StatesReported employees: 11-50 | Holmdel, NJ, United States | 11-50 | Exact match | 28 contacts → |
“Built for today’s cloud-first, compliance-driven world, ETHERFAX provides secure cloud faxing and AI-powered document workflow solutions that redefine how teams send, receive, and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Upland Interfaxuplandsoftware.com HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 26 contacts → |
“Upland InterFAX is a secure, cloud-based fax service for AI-enablement.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Instant Infosystemsinstantinfosystems.com HQ: Redondo Beach, CA, United StatesReported employees: 11-50 | Redondo Beach, CA, United States | 11-50 | Exact match | 22 contacts → |
“Deciding whether a Cloud Fax solution is the right fit for your business requires careful consideration of various factors.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Faxback, INCfaxback.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 19 contacts → |
“For nearly 30 years, FaxBack has been at the forefront of shaping fax technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fireline Broadbandfirelinebroadband.com HQ: Santa Fe Springs, CA, United StatesReported employees: 11-50 | Santa Fe Springs, CA, United States | 11-50 | Exact match | 17 contacts → |
“Need your business get connected online quickly, reliably, and securely?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Westfax, INCwestfax.com HQ: Centennial, CO, United StatesReported employees: 11-50 | Centennial, CO, United States | 11-50 | Exact match | 15 contacts → |
“WestFax is the leader in cloud based HIPAA compliant fax.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Advantage Technologies, INCatechnologies.com HQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 14 contacts → |
“Advantage Technologies has been providing on-premises and Cloud-based enterprise fax solutions workflow, and business intelligence solutions for over 25 years.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ingenium Softwareingeniumsw.com HQ: Madison, GA, United StatesReported employees: 11-50 | Madison, GA, United States | 11-50 | Exact match | 9 contacts → |
“Ingenium is a trusted and experienced technology partner with a focus on mission critical fax communication from any application or platform.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | T38faxt38fax.com HQ: Conshohocken, PA, United StatesReported employees: 11-50 | Conshohocken, PA, United States | 11-50 | Exact match | 9 contacts → |
“T38Fax is a T.38 Fax over IP (FoIP) service provider.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ifax Solutions, INCifax.com HQ: Conshohocken, PA, United StatesReported employees: 11-50 | Conshohocken, PA, United States | 11-50 | Exact match | 6 contacts → |
“iFAX Solutions is a worldwide leader in providing enterprise fax solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Faxlogicfaxlogic.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 5 contacts → |
“The unique FaxLogic service combines the best of analog fax, Internet fax, and fax servers to create a highly reliable, secure, and scalable collaborative environment.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | The FAX Guysthefaxguys.com HQ: Burnsville, MN, United StatesReported employees: 11-50 | Burnsville, MN, United States | 11-50 | Exact match | 5 contacts → |
“The Fax Guys is proud to be one of an elite few OpenText Platinum Partners.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Trifecta Solutions INCtrifectaphone.com HQ: Bolingbrook, IL, United StatesReported employees: 1-10 | Bolingbrook, IL, United States | 1-10 | Exact match | 4 contacts → |
“Providing business phone service through-out the United States since 2005.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ISC FAXiscfax.com HQ: Hartland, WI, United StatesReported employees: 1-10 | Hartland, WI, United States | 1-10 | Exact match | 4 contacts → |
“Our customers choose ISC Fax because of our network reliability, high fax delivery success rates and a dependable customer support team.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Pointvoip, LLCpointvoip.com HQ: Ronkonkoma, NY, United StatesReported employees: 11-50 | Ronkonkoma, NY, United States | 11-50 | Exact match | 3 contacts → |
“PointVoIP is a leading telecommunications provider and consulting.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Softlinxsoftlinx.com HQ: Stoneham, MA, United StatesReported employees: 11-50 | Stoneham, MA, United States | 11-50 | Exact match | 3 contacts → |
“Softlinx is a leading provider of HIPAA compliant, secure cloud fax services with its primary market focus on healthcare industry and mid-to-large businesses whose business…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Proclaim Voipproclaimvoip.com HQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 3 contacts → |
“Proclaim VoIP is an FCC licensed Telecom VoIP Carrier providing Cloud Hosted PBX and SIP Trunking.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Notifyrenotifyre.com HQ: Salt Lake City, UT, United StatesReported employees: 11-50 | Salt Lake City, UT, United States | 11-50 | Exact match | 3 contacts → |
“Secure SMS and fax, without the worry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Paperless Productivity INCpaperlessproductivity.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 2 contacts → |
“Paperless Productivity® is the premier provider of RightFax solutions, helping organizations modernize their fax infrastructure with secure, scalable, and fully integrated systems.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | TNN Voiptnnvoip.com HQ: Rancho Cucamonga, CA, United StatesReported employees: 11-50 | Rancho Cucamonga, CA, United States | 11-50 | Exact match | 2 contacts → |
“You can rely on high-quality phone service anywhere you have Internet access TNN VoIP phone system is an affordable Internet-based voice and fax platform you can customize…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Atticus Consultingatticusconsulting.com HQ: Medfield, MA, United StatesReported employees: 1-10 | Medfield, MA, United States | 1-10 | Exact match | 2 contacts → |
“As the most experienced RightFax & TeleForm software partners in New England, we provide complete solutions in the field of network and production faxing and automated data entry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Switch Labsswitchlabs.com HQ: Dana Point, CA, United StatesReported employees: 1-10 | Dana Point, CA, United States | 1-10 | Exact match | 1 contacts → |
“SwitchLabs is dedicated to providing your organization with the best communication solutions that are tailored to meet the unique needs of your business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | BT Voicebtvoice.com HQ: White Plains, NY, United StatesReported employees: 1-10 | White Plains, NY, United States | 1-10 | Exact match | 1 contacts → |
“BT Voice is a cloud telecommunications company that delivers flexible, cost effective, reliable and easy to manage voice services for your business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 49 company matches
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Fax over ip providers: dataset insights
September 20, 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
49 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 49 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 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 fax over ip 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 fax over ip providers did RevenueBase find based in the United States?
The saved snapshot records 49 matching company records, 785 tracked contacts and 423 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 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
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Cite this list
RevenueBase Data Team. Top 24 fax over ip providers based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/fax-over-ip-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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