Company lists · Data verified August 2026

Top 25 Custom software developers based in the United States

Name: Custom 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 8,637 companies tracked

There are 8,637 custom software developers headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 99,991 professional contacts across them, including 19,596 with verified work emails and 13,292 with mobile numbers. New York is the largest hub.

This list covers custom 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.

8,637Companies

99,991Contacts tracked

19,596Verified emails

13,292Mobile numbers

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The 25 largest custom software developers based in the United States

Ranked by team size

Top 25 of 8,637 custom 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	Dotsquares	Bethesda, MD	501-1,000	1,566	97
2	Pragma	Miami, FL	1,001-5,000	1,423	236
3	Trigent Software INC	Southborough, MA	1,001-5,000	1,368	115
4	Unthinkable Solutions	Grandville, MI	501-1,000	711	341
5	Gemini Consulting & Services	Saint Louis, MO	501-1,000	548	146
6	Lohika	San Mateo, CA	501-1,000	427	133
7	Solbeg	Jersey City, NJ	1,001-5,000	367	188
8	Federal Soft Systems INC	Bentonville, AR	501-1,000	320	28
9	Sails Software INC	Novi, MI	501-1,000	319	112
10	Valzo Soft Solutions	Alpharetta, GA	1,001-5,000	287	10
11	Amvotech Solutions INC	Oakbrook Terrace, IL	501-1,000	281	7
12	Waveaccess	Las Vegas, NV	501-1,000	254	45
13	Nextgen Technologies INC	San Jose, CA	10001+	165	32
14	Synova	Southfield, MI	1,001-5,000	148	1
15	NIX United	Tampa, FL	1,001-5,000	77	25
16	Proceti	Lewes, DE	501-1,000	72	9
17	Sforce IT Solutions, LLC	Plano, TX	501-1,000	58	2
18	Develonica	Perkasie, PA	501-1,000	56	1
19	Ally Wiredsoft Solutions	Pleasanton, CA	501-1,000	46	3
20	Codism LLC	Marlton, NJ	501-1,000	35	1
21	Trinuc LLC	Dallas, TX	501-1,000	17	2
22	Cybernoor Corporation IS NOW Buchanan Technologies	Grapevine, TX	501-1,000	15	4
23	OQ Point	Redmond, WA	1,001-5,000	12	2
24	DCA Services INC	n/a	501-1,000	9	2
25	Asesoftware Global	Miramar, FL	501-1,000	7	3

Showing 25 of 8,637 custom software developers based in the United States

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Custom software developers based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 386 HQs

13,292Contacts with mobile numbers

44Emails re-verified in last 30 days

Companies by employee count

1-10

4,342

11-50

2,982

51-200

1,037

201-500

178

501-1,000

1,001-5,000

10001+

Custom software developers by metro

Metro	Companies
Custom software developers in New York	386
Custom software developers in Austin	239
Custom software developers in Houston	172
Custom software developers in Miami	166
Custom software developers in Chicago	158
Custom software developers in Los Angeles	155
Custom software developers in San Francisco	135

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 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; 44 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 software developers are there based in the United States?

There are 8,637 custom software developers headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Dotsquares, headquartered in Bethesda, tops this list with the largest team on record.

Which city has the most custom software developers?

New York leads with 386 headquartered companies, followed by Austin (239) and Houston (172).

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 19,596 verified decision-maker contacts tracked across these 8,637 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.