Company lists · Data verified August 2026

Top 25 CRM platform developers based in the United States

Name: CRM platform 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 1,277 companies tracked

There are 1,277 CRM platform developers headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 18,813 professional contacts across them, including 6,444 with verified work emails and 4,817 with mobile numbers. New York is the largest hub.

This list covers CRM platform 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.

1,277Companies

18,813Contacts tracked

6,444Verified emails

4,817Mobile numbers

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The 25 largest CRM platform developers based in the United States

Ranked by team size

Top 25 of 1,277 CRM platform 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	Klaviyo	Boston, MA	1,001-5,000	2,859	1,624
2	Marigold	Nashville, TN	201-500	818	147
3	Vendasta	Boston, MA	501-1,000	768	268
4	Crmit Solutions	Milpitas, CA	201-500	376	117
5	HIC Global Solutions	Milwaukee, WI	201-500	352	101
6	Rolustech	San Francisco, CA	201-500	325	76
7	Stayinfront	Fairfield, NJ	201-500	324	153
8	Revinate	Palo Alto, CA	501-1,000	313	181
9	Billingplatform	Englewood, CO	201-500	251	149
10	Trootech	Albany, NY	201-500	250	60
11	Cargas Systems	Lancaster, PA	51-200	236	162
12	Mantra	New York, NY	201-500	216	3
13	Leandata	Santa Clara, CA	51-200	207	126
14	KEAP	Chandler, AZ	201-500	200	58
15	Conscendo	Westborough, MA	201-500	192	57
16	Accelerize 360	Dallas, TX	51-200	191	87
17	Softclouds	San Diego, CA	201-500	185	108
18	MST Solutions	Chandler, AZ	201-500	173	40
19	ACT	Scottsdale, AZ	51-200	170	67
20	CLOSE	New York City, NY	51-200	142	91
21	CLICK	Atlanta, GA	201-500	134	63
22	Datanetiix Solutions INC	Princeton, NJ	51-200	116	48
23	Agile CRM By Mantra	Dallas, TX	51-200	100	3
24	Andhus Technologies	Itasca, IL	51-200	100	1
25	Lava Automation	Portland, OR	201-500	93	19

Showing 25 of 1,277 CRM platform developers based in the United States

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CRM platform developers based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 57 HQs

4,817Contacts with mobile numbers

12Emails re-verified in last 30 days

Companies by employee count

1-10

679

11-50

439

51-200

112

201-500

501-1,000

1,001-5,000

5,001-10,000

CRM platform developers by metro

Metro	Companies
CRM platform developers in New York	57
CRM platform developers in San Francisco	34
CRM platform developers in Houston	26
CRM platform developers in Los Angeles	23
CRM platform developers in Dallas	22
CRM platform developers in Austin	21
CRM platform developers in Atlanta	20

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 “CRM platform 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; 12 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 CRM platform developers are there based in the United States?

There are 1,277 CRM platform developers headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Klaviyo, headquartered in Boston, tops this list with the largest team on record.

Which city has the most CRM platform developers?

New York leads with 57 headquartered companies, followed by San Francisco (34) and Houston (26).

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 6,444 verified decision-maker contacts tracked across these 1,277 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.