Company lists · Data verified August 2026

Top 25 Custom business software developers based in the United States

Name: Custom business software developers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 3,019 companies tracked

There are 3,019 custom business software developers headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 56,351 professional contacts across them, including 18,832 with verified work emails and 11,655 with mobile numbers. New York is the largest hub.

This list covers custom business software developers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

3,019Companies

56,351Contacts tracked

18,832Verified emails

11,655Mobile numbers

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The 25 largest custom business software developers based in the United States

Ranked by team size

Top 25 of 3,019 custom business software developers based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	INFOR	St Paul, MN	10001+	19,484	8,384
2	Cloud Software Group	Burlington, MA	10001+	2,023	947
3	Xtglobal, INC	Plano, TX	501-1,000	845	122
4	CAI Software, LLC	Lincoln, RI	501-1,000	603	119
5	Unanet	Dulles, VA	201-500	464	274
6	Velosio	Findlay, OH	501-1,000	425	260
7	Argusoft	Newark, CA	201-500	405	181
8	Vision33	Newtown Square, PA	201-500	402	268
9	Solbeg	Jersey City, NJ	1,001-5,000	367	188
10	Nettxio	Chicago, IL	201-500	362	189
11	Unisoft Global Services	Iselin, NJ	201-500	328	14
12	Rolustech	San Francisco, CA	201-500	325	76
13	ITX Corp	Rochester, NY	201-500	315	160
14	Amrut Software	Summit	201-500	296	72
15	Valzo Soft Solutions	Alpharetta, GA	1,001-5,000	287	10
16	Itti PVT LTD	Dallas, TX	501-1,000	284	37
17	Amvotech Solutions INC	Oakbrook Terrace, IL	501-1,000	281	7
18	Daysmart	Ann Arbor, MI	201-500	241	166
19	Artezio	Princeton, NJ	201-500	228	94
20	Cinntra	New York City, NY	201-500	182	93
21	Gapblue Software Labs PVT LTD	Pleasanton, CA	201-500	179	85
22	VAI Vormittag Associates, INC	Oroville, CA	201-500	154	103
23	Mazik Global INC	Park Ridge, IL	201-500	153	48
24	Epromis Solutions	TX	201-500	99	2
25	Radcube	Quincy, MA	201-500	91	30

Showing 25 of 3,019 custom business software developers based in the United States

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Custom business software developers based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 116 HQs

11,655Contacts with mobile numbers

35Emails re-verified in last 30 days

Companies by employee count

1-10

1,665

11-50

943

51-200

319

201-500

501-1,000

1,001-5,000

10001+

Custom business software developers by metro

Metro	Companies
Custom business software developers in New York	116
Custom business software developers in Houston	72
Custom business software developers in Austin	58
Custom business software developers in Dallas	48
Custom business software developers in Miami	45
Custom business software developers in Chicago	43
Custom business software developers in Los Angeles	42

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “custom business software developers”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 35 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many custom business software developers are there based in the United States?

There are 3,019 custom business software developers headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

INFOR, headquartered in St Paul, tops this list with the largest team on record.

Which city has the most custom business software developers?

New York leads with 116 headquartered companies, followed by Houston (72) and Austin (58).

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 18,832 verified decision-maker contacts tracked across these 3,019 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.