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Companies Using Default

39 companies use Default. One row per company, 27 columns, delivered as a CSV. Updated 9 November 2026.

  • 39companies
  • 37with a named contact
  • 105people with an email
  • 6countries

One CSV, all 39 companies, one-time.

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installmap-companies-using-default.csv39 rows, 27 columns

CompanyIndustryEmployees
VWOSoftware development501-1000
HadriusFintech51-200
WorkleapSoftware development1001-5000
OpenPhoneSoftware development201-500
AbacumB2B51-200
AlaanFintech51-200
ExaB2B51-200
MezmoB2B51-200

8 of the 39 rows, 3 of the 27 columns. Contacts, emails and job posts are in the file.

List of companies using Default

CompanyDomainIndustryEmployeesEmailLinkedIn
VWOvwo.comSoftware development501-1000s••••@vwo.comyes
Hadriushadrius.comFintech51-200h••••@hadrius.comyes
Workleapworkleap.comSoftware development1001-5000q••••@workleap.comyes
OpenPhoneopenphone.comSoftware development201-500s••••@quo.comyes
Abacumabacum.aiB2B51-200s••••@abacum.ioyes
Alaanalaan.comFintech51-200s••••@alaan.comyes
Exaexa.aiB2B51-200s••••@exa.aiyes
Mezmomezmo.comB2B51-200s••••@mezmo.comyes
Quo (fka OpenPhone)quo.comB2B51-200s••••@quo.comyes
Rootlyrootly.comB2B51-200s••••@rootly.comyes
Tavustavus.ioB2B51-200s••••@tavus.ioyes
Hyperboundhyperbound.aiB2B11-50f••••@hyperbound.aiyes
Paragonuseparagon.comB2B11-50s••••@useparagon.comyes
Flowgladflowglad.comB2B1-10h••••@flowglad.comyes
Formaljoinformal.comB2B1-10h••••@formal.aiyes
Infiniteinfinite.devFintech1-10c••••@infinite.devyes
Upserveupserve.comSoftware development501-1000yes
Descriptdescript.comSoftware development51-200yes
PartnerStackpartnerstack.comB2B51-200yes
People Data Labspeopledatalabs.comSoftware development51-200yes
Tremendoustremendous.comFintech51-200yes
Warmly,warmly.aiB2B51-200yes
Withinwithin.aiB2B51-200yes
Alephgetaleph.comB2B11-50yes
Arcjoinarc.comFintech11-50yes

25 of 39, largest companies first. Emails masked here. The CSV has them in full.

What stands out about Default users

  • 51% of the companies using Default are in software development, against 24% of all 126,489 companies on Installmap's lists.
  • 72% of the companies using Default also use Google Analytics 4, against 6.6% of all companies on the lists. List
  • 74% are based in the United States, against 41% of all companies on the lists.

All companies on the lists: 126,489 companies in the 364 Installmap tool lists. Source: Installmap, November 2026.

What is in the list

The 39 companies span 3 industries. The largest is B2B with 23 companies (59%). 29 (74%) are based in the United States and 4 (10%) in Canada. 2 (5.1%) have more than 1,000 employees.

By industry

IndustryCompaniesShare
B2B2359%
Software development1026%
Fintech615%

By country

CountryCompaniesShare
United States2974%
Canada410%
India12.6%
United Arab Emirates12.6%
Germany12.6%
Czech Republic12.6%

By employees

EmployeesCompaniesShare
1-10410%
11-501231%
51-2001641%
201-50012.6%
501-100025.1%
1001-500025.1%

By named list

Also onCompanies
Unicorns1
Y Combinator29
SaaS14
Tranco top 10k1

Source: Installmap, November 2026.

How Default use was found

We fetched and rendered the homepages of 21,104 companies on 4 September 2026 and matched the code each page loads against a fingerprint per tool. 39 load Default. The companies come from six lists: the Fortune 500, the Inc 5000, unicorns, Y Combinator, a SaaS list and the Tranco top 10,000.

Industry, employee band and country were labelled by a language model from each company's homepage, since the company databases we tried match big companies to the wrong record (one listed Principal Financial Group as a food producer with 11 to 50 staff). We checked 200 random rows against each company's homepage with a second, larger model: industry was wrong on 2.6%, country on 2.1%, and the employee band was off by one band on 12% and by two or more on 2.0% of rows. Inc 5000 and Y Combinator companies keep the figures they filed themselves.

The list is not every Default customer. A company that uses Default only internally and never names it in a job post or loads it on its homepage is not on it. Method. Source: Installmap, November 2026.

Columns

ColumnRows with a valueFilled
company3897%
domain39100%
industry39100%
employees3795%
country3795%
region3385%
city3385%
founded1949%
email1744%
phone25%
linkedin3795%
x2872%
email_provider3897%
lists39100%
source39100%
job_title00%
job_url00%
job_posted00%
contact_1_name3795%
contact_1_email3795%
contact_1_linkedin3795%

Default users by list

ListCrawledUsing DefaultShare
Inc 5000 (2026) 4,888 n/a n/a
Y Combinator companies 5,388 29 0.5%
Fortune 500 472 n/a n/a
Unicorns 1,000 n/a n/a
SaaS companies 8,048 10 0.1%
Tranco top 10,000 1,572 n/a n/a

Source: Installmap homepage crawl, 4 September 2026.

Companies using Default also use

ToolCompanies on both listsShare of the Default list
Google Analytics 42872%
Google Tag Manager3385%
Cloudflare2974%
HubSpot2462%
Google Workspace3692%

Tools ranked by how much more often Default users run them than all companies on the lists do. Source: Installmap, November 2026.

Default alternatives

Questions

How many companies use Default?

This list holds 39. 39 were found on the homepage.

What does a row hold?

Company name, domain, industry, employee band, country, region, city, founding year, the email address and phone number the company publishes on its website, LinkedIn and X pages, the email provider and the named lists the company is on. Up to three named people per company come with name, email and LinkedIn: 37 rows (95%) have at least one.

How fresh is it?

Homepages were crawled on 4 September 2026. The list was built on 9 November 2026.

What do I get after paying?

One UTF-8 CSV with a header row and one row per company, in the 27 columns above. The download link opens right after the card payment and stays valid, so you can download again later.

How does the free sample work?

Enter your email above and we send a link to a CSV of 12 companies from this list with all 27 columns, including the named contacts.

Who uses a list like this?

Vendors whose product integrates with or replaces Default, agencies and consultants that work on Default, and recruiters looking for people with Default experience. The industry, employee and country columns let you cut the list to your market before you import it.