Companies using StackAdapt with 201–500 employees: 1,496 found
Of the 9,874 companies using StackAdapt we found, 1,496 have 201–500 employees (15%). The biggest group sells Events & Experiences (7.3%). 69% are based in United States.
- 1,496
- companies using StackAdapt
- 15%
- of all 9,874 StackAdapt advertisers in our data
- 69%
- 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.
Companies using StackAdapt with 201–500 employees
20 of the 1,496, ordered by LinkedIn following. Inclusion means a detected tag, not a confirmed active campaign.
| Company | Industry | Size | HQ | Seen in |
|---|---|---|---|---|
Human Rights Watch hrw.org | Nonprofits & NGOs | 201–500 | United States | Tag manager |
American Nurses Association nursingworld.org | Civic, Religious & Membership | 201–500 | United States | Live on site + tag manager |
Obama Foundation obama.org | Nonprofits & NGOs | 201–500 | United States | Tag manager |
NICE - National Institute for Health and Care Excellence nice.org.uk | Public Health | 201–500 | United Kingdom | Tag manager |
ASME (The American Society of Mechanical Engineers) asme.org | Engineering & Technical Services | 201–500 | United States | Tag manager |
American Society of Civil Engineers asce.org | Civic, Religious & Membership | 201–500 | United States | Tag manager |
National Association of Home Builders nahb.org | Civic, Religious & Membership | 201–500 | United States | Tag manager |
The National Gallery nationalgallery.org.uk | Arts, Culture & Live Entertainment | 201–500 | United Kingdom | Tag manager |
Harvard Kennedy School hks.harvard.edu | K-12 & Higher Education | 201–500 | United States | Tag manager |
American Bankers Association aba.com | Banking | 201–500 | United States | Tag manager |
The Carbon Trust carbontrust.com | Environmental Services & Waste | 201–500 | United Kingdom | Tag manager |
Australian Institute of Management aim.com.au | Education Administration Programs | 201–500 | Australia | Tag manager |
DarGlobal darglobal.co.uk | Real Estate Investment & Development | 201–500 | United Kingdom | Tag manager |
American Diabetes Association diabetes.org | Nonprofits & NGOs | 201–500 | United States | Tag manager |
API - American Petroleum Institute api.org | Oil, Gas & Mining | 201–500 | United States | Tag manager |
American Hospital Association aha.org | Hospitals & Health Systems | 201–500 | United States | Tag manager |
Easygenerator easygenerator.com | EdTech & E-Learning | 201–500 | Netherlands | Tag manager |
Orca Security orca.security | Cybersecurity | 201–500 | United States | Tag manager |
WorkMotion workmotion.com | HR, Staffing & Recruiting | 201–500 | Germany | Tag manager |
Observe.AI observe.ai | AI / ML | 201–500 | United States | Live on site |
Every company in this group, with the marketing leaders to contact, refreshed with each monthly scan. Book a call and we'll walk you through it.
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How many companies with 201–500 employees use StackAdapt?
1,496, as of 7 November 2026 — 15% of the 9,874 companies we found carrying the StackAdapt 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 StackAdapt?
They include Human Rights Watch, American Nurses Association, Obama Foundation, NICE - National Institute for Health and Care Excellence and ASME (The American Society of Mechanical Engineers). The table on this page shows 20; the full list has all 1,496.
What do these StackAdapt advertisers sell?
Events & Experiences (97 companies), SaaS / Cloud (79) and Financial Services (diversified) (76) are the largest sectors among the 1,330 we could classify.
Where are they headquartered?
United States (69%) and United Kingdom (10%) lead, out of 1,424 companies with a known HQ.
How do you know a company runs StackAdapt?
We find the StackAdapt 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 StackAdapt study page.
Sell to the 1,496 companies running StackAdapt
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.