Company lists · Data verified August 2026

Top 25 Crowdsourcing platforms based in the United States

Name: Crowdsourcing 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 298 companies tracked

There are 298 crowdsourcing platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 7,898 professional contacts across them, including 975 with verified work emails and 1,368 with mobile numbers. New York is the largest hub.

This list covers crowdsourcing 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.

298Companies

7,898Contacts tracked

975Verified emails

1,368Mobile numbers

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The 25 largest crowdsourcing platforms based in the United States

Ranked by team size

Top 25 of 298 crowdsourcing 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	guru.com	Pittsburgh, PA	n/a	1,083	16
2	MBO Partners	Edmond, OK	n/a	990	170
3	Design Pickle	Scottsdale, AZ	201-500	715	138
4	Premise	New York, NY	201-500	283	30
5	Kickstarter	n/a	201-500	282	86
6	Reflik	Somerset, NJ	n/a	228	22
7	User Interviews	New York, NY	51-200	208	97
8	Designrush	Miami, FL	51-200	202	57
9	Jitjatjo	New York, NY	51-200	189	8
10	Awwcor, INC	Dover, DE	51-200	134	5
11	Agility Partners	Charlotte, NC	51-200	106	46
12	Ideascale	San Francisco, CA	51-200	94	18
13	Jobble	Boston, MA	51-200	90	23
14	HYER	Grosse Pointe Farms, MI	11-50	89	6
15	Talentnow	Cincinnati, OH	11-50	72	3
16	TORC	Boston, MA	11-50	70	12
17	uptalent.io	North Miami Beach, FL	11-50	68	6
18	FLEXC	Chicago, IL	51-200	61	15
19	WRK	Los Angeles	51-200	55	15
20	DROP	San Francisco, CA	51-200	50	7
21	Backerkit	San Francisco, CA	11-50	49	36
22	Evoove	Tempe, AZ	1,001-5,000	37	16
23	Crowdspring	Chicago, IL	11-50	33	3
24	LABR	Grand Rapids, MI	11-50	25	12
25	Clapself	Sacramento	51-200	24	10

Showing 25 of 298 crowdsourcing platforms based in the United States

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Crowdsourcing platforms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 33 HQs

1,368Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

155

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Crowdsourcing platforms by metro

Metro	Companies
Crowdsourcing platforms in New York	33
Crowdsourcing platforms in San Francisco	25
Crowdsourcing platforms in Los Angeles	13
Crowdsourcing platforms in Austin	7
Crowdsourcing platforms in Boston	7
Crowdsourcing platforms in Dover	6
Crowdsourcing platforms in Atlanta	5

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 “crowdsourcing 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; 1 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 crowdsourcing platforms are there based in the United States?

There are 298 crowdsourcing platforms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

guru.com, headquartered in Pittsburgh, tops this list with the largest team on record.

Which city has the most crowdsourcing platforms?

New York leads with 33 headquartered companies, followed by San Francisco (25) and Los Angeles (13).

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 975 verified decision-maker contacts tracked across these 298 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.