Companies using MediaMath in the United States: 499 found
Of the 829 companies using MediaMath we found, 499 are headquartered in the United States (60%). The biggest group sells K-12 & Higher Education (12%). 15% have more than 1,000 employees.
- 499
- companies using MediaMath
- 60%
- of all 829 MediaMath advertisers in our data
- 15%
- have 1,000+ employees
- 12%
- K-12 & Higher Education
Who they are
Every company in this group, by sector, business model, size. Sector and business-model tags can overlap.
Companies using MediaMath in the United States
20 of the 499, ordered by LinkedIn following. Inclusion means a detected tag, not a confirmed active campaign.
| Company | Industry | Size | HQ | Seen in |
|---|---|---|---|---|
ADP adp.com | HR, Staffing & Recruiting | 10,001+ | United States | Tag manager |
University of Colorado Boulder colorado.edu | K-12 & Higher Education | 5,001–10,000 | United States | Tag manager |
Precisely precisely.com | Data & Analytics | 1,001–5,000 | United States | Tag manager |
Bottomline bottomline.com | Payments & Fintech | 1,001–5,000 | United States | Tag manager |
Wounded Warrior Project woundedwarriorproject.org | Nonprofits & NGOs | 501–1,000 | United States | Tag manager |
University at Buffalo buffalo.edu | K-12 & Higher Education | 5,001–10,000 | United States | Tag manager |
National Wildlife Federation nwf.org | Nonprofits & NGOs | 201–500 | United States | Tag manager |
Universal Orlando Resort universalorlandojobs.com | Events & Experiences | 10,001+ | United States | Tag manager |
USP usp.org | Pharmaceuticals | 1,001–5,000 | United States | Live on site |
DAV (Disabled American Veterans) dav.org | Nonprofits & NGOs | 501–1,000 | United States | Tag manager |
Rent The Runway renttherunway.com | Fashion & Apparel | 501–1,000 | United States | Tag manager |
Baptist Health careers.baptisthealth.net | Hospitals & Health Systems | 10,001+ | United States | Tag manager |
Inova Health inova.org | Hospitals & Health Systems | 10,001+ | United States | Tag manager |
Boys & Girls Clubs of America bgca.org | Nonprofits & NGOs | 501–1,000 | United States | Live on site + tag manager |
Allbirds allbirds.com | Fashion & Apparel | 201–500 | United States | Tag manager |
CenterPoint Energy centerpointenergy.com | Utilities & Power | 5,001–10,000 | United States | Tag manager |
Patterson Dental pattersondental.com | Medical Devices & Diagnostics | 1,001–5,000 | United States | Tag manager |
Workhuman workhuman.com | HR, Staffing & Recruiting | 1,001–5,000 | United States | Tag manager |
DTE Energy dteenergy.com | Utilities & Power | 10,001+ | United States | Tag manager |
Scripps Health careers.scripps.org | Hospitals & Health Systems | 10,001+ | United States | 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 in the United States: common questions
How many companies in the United States use MediaMath?
499, as of 7 November 2026 — 60% 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 in the United States advertise with MediaMath?
They include ADP, University of Colorado Boulder, Precisely, Bottomline and Wounded Warrior Project. The table on this page shows 20; the full list has all 499.
What do these MediaMath advertisers sell?
K-12 & Higher Education (50 companies), Nonprofits & NGOs (39) and Events & Experiences (29) are the largest sectors among the 429 we could classify.
How big are they?
15% have more than 1,000 employees; the most common size band is 51–200 employees.
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 499 companies running MediaMath in the United States
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.