How many companies use Google Tag Manager vs IIS?

11,515 companies use Google Tag Manager and 4,296 companies use IIS in our database. Google Tag Manager is more widely adopted with 2.7x more companies than IIS.

Can I get a list of companies using both Google Tag Manager and IIS?

Yes. AgentData tracks companies using both tools. Subscribe to access the full list with emails, tech stacks, and contacts via CSV or API.

Google Tag Manager vs IIS

Google Tag Manager is used by 11,515companies — 2.7x more than IIS (4,296).

11,515 use Google Tag Manager4,296 use IIS

Side-by-side comparison

	Google Tag Manager	IIS
Companies	11,515	4,296
Category	Other	Web servers

Company adoption

Top companies using Google Tag Manager

Commune de Floreffefloreffe.be

Gemeentebestuur Meisemeise.be

Ville de Wavrewavre.be

Colibris bibliotheeksoftwarecolibris.be

Reflexxreflexx.be

Top companies using IIS

UNESCO2030unesco2030.imageshop.no

Homehome.starkeypro.com

OMSoms.cjgmd.vn

Alpha Capitalims.alphacapitalnepal.com

PNYproconfig.pny.com

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15,811 companies with emails, tech stacks, and contacts

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API access

GET /api/v1/tech?name=google-tag-manager

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