13,567 websites using C (2026) • Hunter TechLookup

The websites using C

A sample of the websites Hunter detects C on, ordered by web popularity.

	Domain name	Industry
1	google.com	Software Development	83,165 email addresses
2	cloudflare.com	Computer and Network Security	389 email addresses
3	github.com	Software Development	4,326 email addresses
4	paypal.com	Software Development	17,752 email addresses
5	adobe.com	Software Development	78,832 email addresses
6	wix.com	Software Development	1,865 email addresses
7	flickr.com	Technology, Information and Internet	1,760 email addresses
8	automattic.com	Software Development	245 email addresses
9	apple.com	Computers and Electronics Manufacturing	50,431 email addresses
10	weibo.com	Technology, Information and Internet	12 email addresses
11	mozilla.org	Software Development	424 email addresses
12	etsy.com	Software Development	2,207 email addresses
13	yelp.com	Software Development	1,931 email addresses
14	tripadvisor.com	Software Development	1,018 email addresses
15	dropbox.com	Software Development	504 email addresses
16	packtpub.com	E-Learning Providers	166 email addresses
17	digitalocean.com	Software Development	829 email addresses
18	icann.org	Technology, Information and Internet	2,020 email addresses
19	washingtonpost.com	Newspaper Publishing	929 email addresses
20	booking.com	Software Development	1,403 email addresses
21	strato.de	IT Services and IT Consulting	129 email addresses
22	parallels.com	Software Development	369 email addresses
23	trustpilot.com	Technology, Information and Internet	74 email addresses
24	ibm.com	IT Services and IT Consulting	193,264 email addresses
25	zoom.us	Software Development	359 email addresses
26	constantcontact.com	Technology, Information and Internet	236 email addresses
27	bloomberg.com	Financial Services	176 email addresses
28	wsj.com	Newspaper Publishing	2,099 email addresses
29	slack.com	Technology, Information and Internet	60 email addresses
30	jd.com	Software Development	1,217 email addresses
31	twitch.tv	Software Development	268 email addresses
32	marriott.com	Hospitality	49,297 email addresses
33	npr.org	Broadcast Media Production and Distribution	1,884 email addresses
34	cnn.com	Broadcast Media Production and Distribution	2,298 email addresses
35	stripe.com	Technology, Information and Internet	3,818 email addresses
36	dailymail.co.uk	Newspaper Publishing	1,072 email addresses
37	salesforce.com	Software Development	38,592 email addresses
38	adyen.com	Financial Services	2,623 email addresses
39	un.org	International Affairs	18,740 email addresses
40	gartner.com	Information Services	17,089 email addresses
41	cisco.com	Software Development	94,440 email addresses
42	houzz.com	Software Development	343 email addresses
43	verisign.com	Technology, Information and Internet	696 email addresses
44	quora.com	Technology, Information and Internet	155 email addresses
45	zendesk.com	Software Development	3,815 email addresses
46	gitlab.com	-	652 email addresses
47	canada.ca	Government Administration	12,338 email addresses
48	webmd.com	Technology, Information and Internet	903 email addresses
49	samsung.com	Computers and Electronics Manufacturing	15,469 email addresses
50	netflix.com	Entertainment Providers	8,176 email addresses

You have 13,567 sites. Now reach the people.

Hunter already holds email addresses at all 50 websites listed above.

Jennifer M. · CPO Google

j****@google.com 85%
Amanda S. · Director Solutions Cloudflare

a****@cloudflare.com 84%
Ketra O. · Company Owner GitHub

k****@github.com 85%

Real people at the websites listed above. Only the part before the @ is hidden here — the company domain is the real one.

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Who uses C

Websites running C, counted by industry and by country. Only the largest groups are shown.

By industry

Industry	Websites
Technology, Information and Media	3,106
Professional Services	2,866
Manufacturing	1,911
Financial Services	1,202
Administrative and Support Services	462
Government Administration	455
Hospitals and Health Care	422
Transportation, Logistics, Supply Chain and Storage	274
Entertainment Providers	268
Information Technology and Services	258
Retail	256
Consumer Services	254

By country

Country	Websites
United States of America	6,201
United Kingdom of Great Britain and Northern Ireland	887
Germany	734
Canada	642
France	415
Netherlands	349
Brazil	276
India	271
Spain	247
Australia	238
Sweden	232
Switzerland	224

C by country

The countries where we detected enough C websites to rank them.

United States of America (6,201)
United Kingdom of Great Britain and Northern Ireland (887)
Germany (734)
Canada (642)
France (415)
Netherlands (349)
Brazil (276)
India (271)
Spain (247)
Australia (238)
Sweden (232)
Switzerland (224)

C FAQs

Browse every technology

Hunter detects C on 13,567 websites. The figure comes from Hunter's own crawl of company websites and is rebuilt every night, so it moves as sites adopt and drop the technology.

The table on this page is a sample of the websites running C, ordered by web popularity, with the industries they are in and how many email addresses Hunter holds for each. Create a free account to search any of them and see the addresses.

The websites Hunter detects C on most often also run Python, SQL and Microsoft Excel.

C is one of the Programming Language technologies Hunter tracks. Others it detects widely include PHP, Python and Java.

Yes — that is what Hunter is for. The last column of the table shows how many email addresses Hunter already holds for a website, where it has found any. Sign up to see the addresses themselves, with the name and job title of the person behind each one.

Websites using C

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The websites using C

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C by country

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Commonly used alongside C

You have 13,567 sites. Now reach the people.

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