Companies using MediaMath with 51–200 employees: 206 found
Of the 829 companies using MediaMath we found, 206 have 51–200 employees (25%). The biggest group sells Nonprofits & NGOs (9.3%). 69% are based in United States.
- 206
- companies using MediaMath
- 25%
- of all 829 MediaMath 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 MediaMath with 51–200 employees
20 of the 206, ordered by LinkedIn following. Inclusion means a detected tag, not a confirmed active campaign.
| Company | Industry | Size | HQ | Seen in |
|---|---|---|---|---|
Mamaearth mamaearth.in | Beauty & Personal Care | 51–200 | India | Tag manager |
Onedio.com onedio.com | Internet Media & Social Platforms | 51–200 | Türkiye | Tag manager |
Defenders of Wildlife defenders.org | Nonprofits & NGOs | 51–200 | United States | Tag manager |
Good Apple goodapple.com | Advertising & Media Agencies | 51–200 | United States | Live on site + tag manager |
Putnam Investments putnam.com | Asset & Wealth Management | 51–200 | United States | Tag manager |
Christie's International Real Estate christiesrealestate.com | Real Estate (brokerage & services) | 51–200 | United States | Live on site |
BrainsWay brainsway.com | Medical Devices & Diagnostics | 51–200 | United States | Tag manager |
IEL/SC ielsc.org.br | Training, Coaching & Vocational | 51–200 | Brazil | Tag manager |
Soho Theatre sohotheatre.com | Arts, Culture & Live Entertainment | 51–200 | United Kingdom | Tag manager |
Agenda Edu agendaedu.com | EdTech & E-Learning | 51–200 | Brazil | Tag manager |
Animal Legal Defense Fund aldf.org | Legal Services & Legaltech | 51–200 | United States | Tag manager |
Emerald Cruises & Tours emerald.cruises | Hotels, Lodging & Travel | 51–200 | Switzerland | Tag manager |
Asylum Seeker Resource Centre asrc.org.au | Nonprofits & NGOs | 51–200 | Australia | Live on site + tag manager |
University at Buffalo School of Law law.buffalo.edu | Higher Education | 51–200 | United States | Tag manager |
ROBOPAC Brasil robopac.com.br | Packaging | 51–200 | Brazil | Tag manager |
Rocket Lab | The App Growth Hub rocketlab.ai | Performance / Growth / Adtech | 51–200 | United States | Tag manager |
Liontrust Asset Management PLC liontrust.com | Asset & Wealth Management | 51–200 | United Kingdom | Tag manager |
Cold Stone Creamery coldstonecreamery.com | Restaurants & Food Service | 51–200 | — | Tag manager |
Black Kite blackkite.com | Cybersecurity | 51–200 | United States | Tag manager |
McGrath Foundation mcgrathfoundation.com.au | Nonprofits & NGOs | 51–200 | Australia | Tag manager |
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.
Book a call →company_tech on gtm.dev →Companies using MediaMath with 51–200 employees: common questions
How many companies with 51–200 employees use MediaMath?
206, as of 7 November 2026 — 25% of the 829 companies we found carrying the MediaMath tag. This counts companies we can tie to a company profile, so it is a floor, not a market total.
Which companies with 51–200 employees advertise with MediaMath?
They include Mamaearth, Onedio.com, Defenders of Wildlife, Good Apple and Putnam Investments. The table on this page shows 20; the full list has all 206.
What do these MediaMath advertisers sell?
Nonprofits & NGOs (17 companies), K-12 & Higher Education (16) and Financial Services (diversified) (14) are the largest sectors among the 183 we could classify.
Where are they headquartered?
United States (69%) and United Kingdom (6.6%) lead, out of 181 companies with a known HQ.
How do you know a company runs MediaMath?
We find the MediaMath 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 MediaMath study page.
Sell to the 206 companies running MediaMath
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.