Company lists · Data verified August 2026

Top 25 Collaborative work management platforms based in the United States

Name: Collaborative work management platforms 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 630 companies tracked

There are 630 collaborative work management platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 15,823 professional contacts across them, including 2,260 with verified work emails and 4,247 with mobile numbers. San Francisco is the largest hub.

This list covers collaborative work management platforms 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.

630Companies

15,823Contacts tracked

2,260Verified emails

4,247Mobile numbers

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The 25 largest collaborative work management platforms based in the United States

Ranked by team size

Top 25 of 630 collaborative work management platforms 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	SLACK	San Francisco, CA	1,001-5,000	2,591	4
2	Anywhereworks	Raleigh, NC	1,001-5,000	1,100	38
3	Buildertrend	Omaha, NE	501-1,000	791	503
4	cake.com	Palo Alto, CA	201-500	443	254
5	Adobe Workfront	Lehi, UT	1,001-5,000	287	121
6	Bitrix24	Alexandria, VA	501-1,000	194	2
7	AHA	New York, NY	51-200	192	107
8	Invision	New York, NY	501-1,000	166	1
9	Linear	San Francisco, CA	51-200	160	97
10	Harvest	New York, NY	51-200	150	5
11	Moca Systems, INC	Salt Lake City, UT	51-200	144	45
12	Meister	Seattle, WA	51-200	132	55
13	CODA	Bellevue, WA	201-500	131	49
14	Redteam	Orlando, FL	51-200	100	46
15	HIVE	New York, NY	51-200	76	37
16	ones.com	San Jose, CA	201-500	70	5
17	SWIT	San Francisco, CA	51-200	63	2
18	PLANE	San Francisco, CA	51-200	61	30
19	Shortcut	New York	51-200	61	27
20	Arthur	San Mateo, CA	51-200	56	28
21	Guidecx	Lehi, UT	51-200	51	31
22	Clarizen NOW Planview Adaptivework	Milpitas, CA	201-500	48	9
23	Ideagen Huddle	Bethesda, MD	1,001-5,000	36	1
24	Southern Code	Beaverton, OR	51-200	32	8
25	Edison365	Fall City, WA	51-200	30	17

Showing 25 of 630 collaborative work management platforms based in the United States

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Collaborative work management platforms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

San FranciscoLargest hub · 63 HQs

4,247Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

343

11-50

207

51-200

201-500

501-1,000

1,001-5,000

10001+

Collaborative work management platforms by metro

Metro	Companies
Collaborative work management platforms in San Francisco	63
Collaborative work management platforms in New York	43
Collaborative work management platforms in Austin	29
Collaborative work management platforms in Los Angeles	17
Collaborative work management platforms in San Jose	12
Collaborative work management platforms in Wilmington	12
Collaborative work management platforms in San Diego	11

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 “collaborative work management platforms”, 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; 7 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 collaborative work management platforms are there based in the United States?

There are 630 collaborative work management platforms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

SLACK, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most collaborative work management platforms?

San Francisco leads with 63 headquartered companies, followed by New York (43) and Austin (29).

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 2,260 verified decision-maker contacts tracked across these 630 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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Collaborative work management platforms by geography

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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.