Company lists · Data refreshed September 2026
Top 25 Real estate phone systems software companies based in the United States
RevenueBase identified 203 real estate phone systems software companies headquartered in the United States as of September 2026 and tracks 12,333 professional contacts across them, including 6,380 with verified work emails and 4,818 with mobile numbers. Austin is the largest hub.
This list covers real estate phone systems software companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 real estate phone systems software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,294 contacts → | ||||
Strong evidence “Since 1984, Yardi has grown into the leading provider of high-performance software for the real estate industry.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,197 contacts → | ||||
Indirect evidence “Russ Lyon Sotheby's International Realty has gathered realty craftsmen dedicated to the ideals of integrity and professionalism.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 700 contacts → | ||||
Strong evidence “At Lone Wolf Technologies, we believe making tech for real estate is about much more than just making the best tools.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 527 contacts → | ||||
Partial evidence “Incorporated in 1987 and headquartered in Cincinnati, Ohio, London Computer Systems (LCS) develops innovative business technologies used in all 50 states and several global…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 479 contacts → | ||||
Strong evidence “Inside Real Estate is a fast growing, independently-owned real estate software firm that serves as a trusted technology partner to over top brokerages, agents and teams.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 352 contacts → | ||||
Strong evidence “With over 475 agents and counting and several offices throughout South Florida, Real Estate Sales Force (RESF) is leading the revolution in today’s evolving market.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 309 contacts → | ||||
Indirect evidence “As a company, we want people to know that we value the individual and personal connections we make with our clients above the transaction.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 212 contacts → | ||||
Strong evidence “IDX Exchange is a real estate technology company offering SaaS solutions for brokers, agents, and homeowners.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 161 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 104 contacts → | ||||
Indirect evidence “Headquartered in NYC, operating in NYC, Chicago, South Florida, and DC Metro region, with expansion to more major U.S.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 88 contacts → | ||||
Partial evidence “Real Geeks was built by an agent for agents.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 80 contacts → | ||||
Strong evidence “Constellation1 is an all-in-one brand of award-winning front and back office technology solutions for real estate agents, brokerages, and MLSs.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 74 contacts → | ||||
Strong evidence “Welcome to Real Estate Solutions (RES), your trusted partner for exceptional customer service and support in the real estate industry.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 61 contacts → | ||||
Strong evidence “Sierra Interactive develops residential real estate software and services for agents, teams and brokers in the U.S.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 61 contacts → | ||||
Strong evidence “Rechat is real estate’s first AI operating system for modern brokerages and only super app for agents.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 59 contacts → | ||||
Indirect evidence “About Delta Media Group, Inc.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 46 contacts → | ||||
Strong evidence “iHomefinder has long stood at the forefront of real estate technology innovation for over 20 years.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 46 contacts → | ||||
Strong evidence “Real Estate IQ is a lead generation and software company focused on helping real estate investors find deals within 90 days.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 36 contacts → | ||||
Strong evidence “If you are serious about a career in real estate - we are serious about helping you be successful We have the training to show you how to make money and the leads that can get you…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 35 contacts → | ||||
Indirect evidence “PRIME TEXAS PROPERTIES is a full service company with proven professional, state of-the-art techniques specializing in marketing, listing and selling new and resale luxury homes…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 34 contacts → | ||||
Strong evidence “Wise Agent is an intuitive client influenced CRM and Real Estate software company.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 32 contacts → | ||||
Strong evidence “EMPOWERHOME is The Trusted Real Estate Industry Solutions Provider, supporting Realtors, Mega Teams, and Core Services Companies that are essential to a real estate transaction…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 32 contacts → | ||||
Strong evidence “The Ben Kinney Companies are a diverse collection of companies created to optimize the real estate experience for realtors, agents, home buyers and sellers.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 28 contacts → | ||||
Strong evidence “AccountTECH helps real estate brokerages simplify accounting, automate commission management, improve profitability, and gain financial visibility through real estate accounting…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 27 contacts → | ||||
Strong evidence “DealMachine helps real estate investors, home services, mortgage lenders, and more access premium real estate and homeowner data to close more deals.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: real estate phone systems software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names real estate phone systems software companies.
- Partial evidence
- Its own public description names part of real estate phone systems software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name real estate phone systems software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 203 real estate phone systems software companies based in the United States
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Real estate phone systems software companies based in the United States at a glance
As of Sep 5, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among real estate phone systems software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “real estate phone systems software companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names real estate phone systems software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among real estate phone systems software companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 6,380 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names real estate phone systems software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many real estate phone systems software companies are there based in the United States?
RevenueBase identified 203 real estate phone systems software companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
YARDI, headquartered in Santa Barbara, tops this list with the largest team on record.
Which city has the most real estate phone systems software companies?
Austin leads with 6 headquartered companies, followed by Denver (5) and Boise (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,380 verified decision-maker contacts tracked across these 203 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 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 Smart Search, 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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