List of Security and Investigations Companies

Selling into Security and Investigations? Here are its companies, biggest first, including Signal 88 Security Dallas & Fort Worth, South Brunswick Security Company and Specialized Investigations. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
51

$1M - $10M
51

$1M - $10M
51

$1M - $10M
51

$1M - $10M
51

$1M - $10M
51

$1M - $10M
51

<$1M
51

$1M - $10M
51

$10M - $25M
51

$1M - $10M
51

$1M - $10M
51

$1M - $10M
51

$1M - $10M
51

$1M - $10M
51

$1M - $10M
51

$1M - $10M
51

<$1M
51

$1M - $10M
51

$1M - $10M
51

<$1M
51

$10M - $25M
50

$1M - $10M
50

$1M - $10M
50

$5M
$1M - $10M
50

$10M - $25M
50

$1M - $10M
50

$1M - $10M
50

$1M - $10M
50

$10M - $25M
50

$1M - $10M
50

$10M - $25M
50

$1M - $10M
50

$1M - $10M
49

$1M - $10M
49

$10M - $25M
49

$10M - $25M
49

$1M - $10M
49

$10M - $25M
49

$10M - $25M
49

$1M - $10M
49

$1M - $10M
49

$1M - $10M
48

$10M - $25M
48

$1M - $10M
48

$10M - $25M
48

$10M - $25M
48

$1M - $10M
48

$1M - $10M
48

$10M - $25M
48

$1M - $10M
47

$10M - $25M
47

$10M - $25M
47

$1M - $10M
47

$1M - $10M
47

$1M - $10M
47

$10M - $25M
47

$1M - $10M
47

$1M - $10M
47

$1M - $10M
47

$1M - $10M
47

$1M - $10M
47

$1M - $10M
47

$1M - $10M
47

$10M - $25M
47

$1M - $10M
47

$1M - $10M
47

$10M - $25M
47

$1M - $10M
47

$1M - $10M
47

$10M - $25M
47

$10M - $25M
47

$10M - $25M
47

$1M - $10M
47

$1M - $10M
46

$10M - $25M
46

$1M - $10M
46

$1M - $10M
46

$1M - $10M
46

$1M - $10M
46

$10M - $25M
46

$10M - $25M
46

$10M - $25M
46

$1M - $10M
46

$1M - $10M
46

$1M - $10M
46

$1M - $10M
46

$10M - $25M
45

$10M - $25M
45

$10M - $25M
45

$1M - $10M
45

$1M - $10M
45

$1M - $10M
45

$1M - $10M
45

$1M - $10M
45

$1M - $10M
45

$1M - $10M
45

$25M - $50M
45

<$1M
45

$1M - $10M
45

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 Signal 88 Security Dallas & Fort Worth, South Brunswick Security Company and Specialized Investigations. 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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