Companies using X Ads with 201–500 employees: 1,716 found
Of the 17,089 companies using X Ads we found, 1,716 have 201–500 employees (10%). The biggest group sells SaaS / Cloud (8.5%). 39% are based in United States.
- 1,716
- companies using X Ads
- 10%
- of all 17,089 X Ads advertisers in our data
- 39%
- 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 X Ads with 201–500 employees
20 of the 1,716, ordered by LinkedIn following. Inclusion means a detected tag, not a confirmed active campaign.
| Company | Industry | Size | HQ | Seen in |
|---|---|---|---|---|
HackerRank hackerrank.com | HR, Staffing & Recruiting | 201–500 | United States | Tag manager |
Valor Econômico S/A valor.globo.com | Publishing & News | 201–500 | Brazil | Tag manager |
SHRM shrm.org | Civic, Religious & Membership | 201–500 | United States | Tag manager |
Mercor mercor.com | AI / ML | 201–500 | United States | Tag manager |
Hack The Box hackthebox.com | Cybersecurity | 201–500 | United Kingdom | Tag manager |
The Australian Financial Review afr.com | Publishing & News | 201–500 | Australia | Tag manager |
Andreessen Horowitz a16z.com | Venture Capital & Private Equity | 201–500 | United States | Tag manager |
American Nurses Association nursingworld.org | Civic, Religious & Membership | 201–500 | United States | Tag manager |
Obama Foundation obama.org | Nonprofits & NGOs | 201–500 | United States | Tag manager |
OffSec offsec.com | Cybersecurity | 201–500 | United States | Tag manager |
LangChain langchain.com | AI / ML | 201–500 | United States | Tag manager |
edX discover.edx.org | EdTech & E-Learning | 201–500 | United States | Live on site |
Takamol Holding takamolholding.com | Government & Public Sector | 201–500 | Saudi Arabia | Tag manager |
Virtustant virtustant.com | HR, Staffing & Recruiting | 201–500 | United States | Live on site |
500 Global 500.co | Venture Capital & Private Equity | 201–500 | United States | Tag manager |
New Murabba newmurabba.com | Real Estate Investment & Development | 201–500 | Saudi Arabia | Tag manager |
Techstars techstars.com | Venture Capital & Private Equity | 201–500 | United States | Tag manager |
FC Barcelona fcbarcelona.com | Fitness, Sports & Recreation | 201–500 | Spain | Tag manager |
ISACA isaca.org | Cybersecurity | 201–500 | United States | Tag manager |
OSN osn.com | Broadcasting & Streaming | 201–500 | United Arab Emirates | 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.
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How many companies with 201–500 employees use X Ads?
1,716, as of 7 November 2026 — 10% of the 17,089 companies we found carrying the X Ads 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 on X?
They include HackerRank, Valor Econômico S/A, SHRM, Mercor and Hack The Box. The table on this page shows 20; the full list has all 1,716.
What do these X Ads advertisers sell?
SaaS / Cloud (134 companies), Enterprise Software (131) and AI / ML (110) are the largest sectors among the 1,585 we could classify.
Where are they headquartered?
United States (39%) and United Kingdom (12%) lead, out of 1,609 companies with a known HQ.
How do you know a company runs X Ads?
We find the X Ads 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 X Ads study page.
Sell to the 1,716 companies running X Ads
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.