Advertiser study · company size · Nov 2026

Companies using Basis with 201–500 employees: 138 found

Of the 967 companies using Basis we found, 138 have 201–500 employees (14%). The biggest group sells Medical Practices & Clinics (9%). 93% are based in United States.

By Ayush Pateria, Co-founderRe-scanned monthly · this snapshot 1 Nov 2026 · published 7 November 2026
138
companies using Basis
14%
of all 967 Basis advertisers
in our data
93%
headquartered in United States

Who they are

Every company in this group, by sector, business model, headquarters country. Sector and business-model tags can overlap.

By sector
  • Medical Practices & Clinics10 · 9%
  • Nonprofits & NGOs9 · 8.1%
  • Hospitals & Health Systems9 · 8.1%
  • Arts, Culture & Live Entertainment8 · 7.2%
  • Financial Services (diversified)8 · 7.2%
  • Social & Family Services7 · 6.3%
  • Food & Beverage (CPG / manufacturing)7 · 6.3%
  • K-12 & Higher Education6 · 5.4%
By business model
  • B2B43 · 56%
  • B2C32 · 42%
  • Agency / Services21 · 27%
  • Manufacturer13 · 17%
  • Enterprise / Sales-led10 · 13%
  • Distributor / Wholesale9 · 12%
By headquarters country
  • United States119 · 93%
  • Canada2 · 1.6%
  • United Kingdom2 · 1.6%
  • Sweden1 · <1%
  • Spain1 · <1%
  • Italy1 · <1%
  • Czechia1 · <1%
  • Netherlands1 · <1%

Companies using Basis with 201–500 employees

20 of the 138, ordered by LinkedIn following. Inclusion means a detected tag, not a confirmed active campaign.

CompanyIndustrySizeHQSeen in
Harvard Kennedy School
hks.harvard.edu
K-12 & Higher Education201–500United StatesTag manager
Girl Scouts of the USA
girlscouts.org
Nonprofits & NGOs201–500United StatesTag manager
Crisis Text Line
crisistextline.org
Mental & Behavioral Health201–500United StatesTag manager
Feed the Children
feedthechildren.org
Nonprofits & NGOs201–500United StatesTag manager
East Stroudsburg University of Pennsylvania
esu.edu
K-12 & Higher Education201–500United StatesTag manager
Benedictine University
ben.edu
Higher Education201–500United StatesTag manager
PCCA
pccarx.com
Pharmaceuticals201–500United StatesTag manager
AllStaff Staffing & Recruiting
theallstaffgroup.com
HR, Staffing & Recruiting201–500United StatesTag manager
Sweets & Snacks Expo
sweetsandsnacks.com
Events & Experiences201–500United StatesTag manager
Athens State University
athens.edu
Higher Education201–500United StatesTag manager
Liberty Tax
libertytax.com
Accounting & Tax201–500United StatesTag manager
Canto
canto.com
Enterprise Software201–500United StatesTag manager
Maxim Group LLC
maximgrp.com
Investment Banking & Capital Markets201–500United StatesTag manager
Houston Food Bank
houstonfoodbank.org
Social & Family Services201–500United StatesTag manager
Sylvan Learning
sylvanlearning.com
K-12 & Higher Education201–500United StatesTag manager
GILMAR Real Estate
gilmar.es
Real Estate (brokerage & services)201–500SpainTag manager
U.S. LawShield®
uslawshield.com
Legal Services & Legaltech201–500United StatesTag manager
AndHealth
andhealth.com
Digital Health & Telehealth201–500United StatesTag manager
RefleXion Medical
reflexion.com
Medical Devices & Diagnostics201–500United StatesTag manager
EcoEnergy Insights
ecoenergyinsights.com
Smart Home / Building / Cities (IoT applied)201–500United StatesTag manager
Get all 138 companies using Basis

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Companies using Basis with 201–500 employees: common questions

How many companies with 201–500 employees use Basis?

138, as of 7 November 2026 — 14% of the 967 companies we found carrying the Basis tag. This counts companies we can tie to a company profile, so it is a floor, not a market total.

Which companies with 201–500 employees advertise with Basis?

They include Harvard Kennedy School, Girl Scouts of the USA, Crisis Text Line, Feed the Children and East Stroudsburg University of Pennsylvania. The table on this page shows 20; the full list has all 138.

What do these Basis advertisers sell?

Medical Practices & Clinics (10 companies), Nonprofits & NGOs (9) and Hospitals & Health Systems (9) are the largest sectors among the 111 we could classify.

Where are they headquartered?

United States (93%) and Canada (1.6%) lead, out of 128 companies with a known HQ.

How do you know a company runs Basis?

We find the Basis tag in the company's tag-manager container (attributed to the container's owner) or live on its pages, then match the domain to its company profile. A tag means measurement is set up, not that a campaign is running today. Full method on the Basis study page.

Sell to the 138 companies running Basis

Each one has a marketing team that buys media and measures it. RocketSDR finds the right person at every company on this list and writes the outreach.

More companies using Basis

By company size
By sector
By headquarters country

The full Basis study →