Company lists · Data refreshed September 2026

Top 25 Government software vendors based in the United States

Name: Government software vendors based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 3, 2026 346 companies tracked

RevenueBase identified 346 company matches for government software vendors associated with the United States as of September 2026 and tracks 20,522 professional contacts across them, including 10,392 with verified work emails and 8,262 with mobile numbers. Herndon is the largest hub.

This list covers company matches for government software vendors 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 3, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 3, 2026 How this list was built

346Companies

20,522Contacts tracked

10,392Verified emails

8,262Mobile numbers

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The 25 largest government software vendors based in the United States

Ranked by team size

Top 25 of 346 company matches for government software vendors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 3, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Tyler Technologies	Exact match	Plano, ID, United StatesHQ recorded Sep 3, 2026	5,001-10,000	6,863 contacts →
	Exact match “Tyler Technologies (NYSE: TYL) provides integrated software and technology services to the public sector.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
2	Fast Enterprises, LLC	Exact match	Centennial, ME, United StatesHQ recorded Sep 3, 2026	1,001-5,000	2,378 contacts →
	Exact match “For 25+ years, we’ve transformed the way government agencies serve their communities, providing software that delivers superior customer experiences, greater flexibility, and…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
3	I3 Verticals	Exact match	Nashville, TN, United StatesHQ recorded Sep 3, 2026	1,001-5,000	817 contacts →
	Exact match “i3 Verticals seamlessly delivers integrated software and services to customers in Public Sector markets.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
4	Neogov	Exact match	El Segundo, CA, United StatesHQ recorded Sep 3, 2026	501-1,000	678 contacts →
	Exact match “For over 25 years, NEOGOV has been at the forefront of public-sector innovation, building technology that helps government and education organizations work smarter, move faster…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
5	Accela	Exact match	San Ramon, CA, United StatesHQ recorded Sep 3, 2026	201-500	487 contacts →
	Exact match “Accela provides a unified suite of cloud solutions trusted by governments across the globe to accelerate their digital transformation, deliver vital services, and build stronger…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
6	TD Synnex Public Sector	Exact match	Herndon, VA, United StatesHQ recorded Sep 3, 2026	201-500	293 contacts →
	Exact match “For more than 30 years, TD SYNNEX Public Sector has been dedicated to accelerating public sector growth for technology companies.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
7	Sungard Public Sector	Exact match	Lake Mary, FL, United StatesHQ recorded Sep 3, 2026	501-1,000	282 contacts →
	Exact match “SunGard Public Sector is now Superion.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
8	CIVIX	Exact match	Metairie, LA, United StatesHQ recorded Sep 3, 2026	201-500	226 contacts →
	Exact match “Civix is a leading provider of government technology solutions, specializing in business services, elections, ethics, and grants management software.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
9	Computronix	Exact match	Lakewood, CO, United StatesHQ recorded Sep 3, 2026	51-200	214 contacts →
	Exact match “At Computronix, we value strong relationships with our clients.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
10	Edmunds Govtech	Exact match	Northfield, NJ, United StatesHQ recorded Sep 3, 2026	51-200	201 contacts →
	Exact match “Proven Solutions That Power Local Government - Formerly known as Edmunds & Associates - We’re more than just software, we’re a community.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
11	Purvis Systems	Exact match	Middletown, RI, United StatesHQ recorded Sep 3, 2026	201-500	187 contacts →
	Exact match “PURVIS Systems is a technology solutions partner that develops, implements, and maintains mission-critical solutions for federal and local governments.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
12	Integrated Data Services	Exact match	United StatesHQ recorded Sep 3, 2026	201-500	176 contacts →
	Exact match “Integrated Data Services (IDS) is a leading provider of custom software products and Government financial management services.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
13	Immixgroup	Exact match	Mclean, VA, United StatesHQ recorded Sep 3, 2026	201-500	171 contacts →
	Exact match “immixGroup, acquired by Arrow Electronics, Inc.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
14	Acclaim Systems	Exact match	Feasterville-trevose, PA, United StatesHQ recorded Sep 3, 2026	51-200	129 contacts →
	Exact match “Acclaim Systems is certified minority small business (SBA 8(a) & GSA) and is a leading software solution company offering a multitude of comprehensive and customized services…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
15	Tritech Software Systems	Exact match	Lake Mary, FL, United StatesHQ recorded Sep 3, 2026	1,001-5,000	123 contacts →
	Exact match “CentralSquare provides technology solutions that help over 7,500 public sector agencies deliver vital safety and administrative services to 3 out of every 4 residents of the U.S.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
16	Caselle, INC	Exact match	Provo, UT, United StatesHQ recorded Sep 3, 2026	51-200	109 contacts →
	Exact match “Caselle provides Governments and Service Districts with increased productivity and efficiency through a suite of integrated Government Accounting Software.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
17	B2gnow	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 3, 2026	51-200	106 contacts →
	Exact match “B2Gnow is a national leader in software solutions that promote transparency, accountability, and compliance in public and private contracting.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
18	Jamis Software Corporation	Exact match	Boulder, NJ, United StatesHQ recorded Sep 3, 2026	51-200	92 contacts →
	Exact match “Government contractors deserve technology solutions that improve how they serve their federal customers, not get in the way.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
19	Four INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 3, 2026	51-200	90 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
20	Southern Software, INC	Exact match	Southern Pines, NC, United StatesHQ recorded Sep 3, 2026	51-200	80 contacts →
	Exact match “Southern Software is an employee owned company that has been providing state-of-the-art municipal and public safety products at competitive prices since 1988!” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
21	Nfocus Solutions	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 3, 2026	51-200	80 contacts →
	Exact match “nFocus Solutions® is dedicated to the development of innovative technologies and intelligent business solutions for the public sector.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
22	Futron Incorporated	Exact match	Woodbridge, VA, United StatesHQ recorded Sep 3, 2026	51-200	80 contacts →
	Exact match “Since 1994, Futron Incorporated has been driven by a clear and powerful mission: “To provide the best value for our customers by offering them quality services that help them in…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
23	TOKA	Exact match	Columbia, MD, United StatesHQ recorded Sep 3, 2026	51-200	77 contacts →
	Exact match “At Toka, we have one clear goal: to provide trusted governments with the tools needed to keep citizens safe and defend against terror and crime.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
24	Matrix Pointe Software	Exact match	Westlake, OH, United StatesHQ recorded Sep 3, 2026	51-200	67 contacts →
	Exact match “Matrix is a leading provider of enterprise software for the justice system, serving prosecutor’s offices, law enforcement agencies, administrative agencies, and civil law…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
25	Dynanet Corporation	Exact match	Elkridge, MD, United StatesHQ recorded Sep 3, 2026	51-200	67 contacts →
	Exact match “Whether it is our customers and their specific solution needs or our own staff working to meet new challenges, Dynanet is driven by people, relationships and the power of…” Recorded in the RevenueBase company graph · Sep 3, 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 “government software vendors”. 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 346 government software vendors based in the United States

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Government software vendors based in the United States at a glance

As of Sep 3, 2026

50.6%Verified-email coverage

40.3%Mobile-number coverage

59.3Average contacts per company

11-50Median size (employees)

2.9%Largest-city concentration · Herndon

Sep 3, 2026Page data refreshed

Companies by employee count

1-10

137

11-50

134

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

88231–60

5,96661–90

3,45290–180

92180+

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 “government software vendors” 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 10,392 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 3, 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 “government software vendors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government software vendors are there based in the United States?

RevenueBase identified 346 company matches for government software vendors 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?

Tyler Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most government software vendors?

Herndon leads with 10 company records, followed by Vienna (8) and New York (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 10,392 professional contacts with verified work emails tracked across these 346 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 3, 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.