List of Security and Investigations Companies
Selling into Security and Investigations? Here are its companies, biggest first, including Care Security Systems, Inc., Diligence and Hss Security. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
65
$500M - $1B
65
$1M - $10M
65
$10M - $25M
65
$10M - $25M
65
$10M - $25M
65
$1M - $10M
64
$10M - $25M
64
$1M - $10M
64
$10M - $25M
64
$1M - $10M
64
$10M - $25M
64
$1M - $10M
64
$1M - $10M
64
$1M - $10M
64
$1M - $10M
64
$1M - $10M
64
$10M - $25M
64
$1M - $10M
63
$10M - $25M
63
$10M - $25M
63
$10M - $25M
63
$17M
$10M - $25M
63
$25M - $50M
63
$10M - $25M
63
$1M - $10M
63
$10M - $25M
63
$1M - $10M
62
$1M - $10M
62
$10M - $25M
62
$1M - $10M
62
$1M - $10M
61
$10M - $25M
61
$1M - $10M
61
$1M - $10M
61
$1M - $10M
61
$25M - $50M
61
$1M - $10M
61
<$1M
60
$1M - $10M
60
$10M - $25M
60
$10M - $25M
60
$25M - $50M
60
$1M - $10M
60
$10M - $25M
60
$10M - $25M
60
<$1M
60
$10M - $25M
60
$10M - $25M
60
$1M - $10M
60
$1M - $10M
60
$25M - $50M
60
$25M - $50M
60
$10M - $25M
60
$10M - $25M
59
$10M - $25M
59
$10M - $25M
59
$10M - $25M
59
$1M - $10M
59
$10M - $25M
59
$1M - $10M
59
$10M - $25M
58
$1M - $10M
58
<$1M
58
$10M - $25M
58
$1M - $10M
58
$1M - $10M
58
$1M - $10M
58
$10M - $25M
58
$1M - $10M
57
$10M - $25M
57
$1M - $10M
57
$1M - $10M
57
$1M - $10M
57
$10M - $25M
56
$1M - $10M
56
$25M - $50M
56
$10M - $25M
56
$10M - $25M
56
$1M - $10M
56
$1M - $10M
56
$46M
<$1M
55
$10M - $25M
55
<$1M
55
$1M - $10M
55
$10M - $25M
55
$10M - $25M
55
$1M - $10M
54
$1M - $10M
54
$1M - $10M
54
$1M - $10M
54
$1M - $10M
54
$1M - $10M
54
$10M - $25M
54
$1M - $10M
54
$1M - $10M
54
$1M - $10M
53
<$1M
53
$10M - $25M
53
$1M - $10M
53
About Security and Investigations companies
Which Security and Investigations companies are listed?
Security and Investigations companies of every size, from enterprises to startups, sorted by headcount so the biggest accounts come first. Companies on the list include Care Security Systems, Inc., Diligence and Hss Security. Every company profile gives you revenue range, headcount, headquarters, tech stack and an employee directory with verified emails and phone numbers.
Where are Security and Investigations companies located?
Security and Investigations companies are most often headquartered in the United States, the United Kingdom, Canada, Australia, the Netherlands and France.
What technologies do Security and Investigations companies use?
The tools most often found in the tech stacks of Security and Investigations companies include WordPress, Microsoft 365, Amazon Web Services, Google Cloud, Shopify and Google Workspace. Useful if you integrate with, complement or compete with one of them.
How do I reach decision makers at Security and Investigations companies?
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.
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