List of the Largest Safety/Security Companies

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
Thales Euronext : HO Meudon, France website	Safety/Security	23,188	30	21	9
Securitas Stockholm Stock Exchange : SECU Stockholm, Sweden website	Safety/Security	19,166	25	25	-
G4S Acquired Allied Universal 2021-04-05 $5.84972B London, United Kingdom website	Safety/Security	11,943	34	31	3
Tyco International Ltd. Acquired Johnson Controls 2016-01-25 Mahon, Ireland website	Safety/Security	9,902	50	32	18
APi Group NYSE : APG New Brighton, Minnesota, United States website	Safety/Security	7,018	28	26	2
Resideo NYSE : REZI Scottsdale, Arizona, United States website	Safety/Security	6,761	12	10	2
Prosegur Bolsa de Madrid : PSG Madrid, Spain website	Safety/Security	5,531	2	2	-
Brink's NYSE : BCO Richmond, Virginia, United States website	Safety/Security	5,012	10	8	2
ADT NYSE : ADT Boca Raton, Florida, United States website	Safety/Security	4,898	28	24	4
Fortune Brands NYSE : FBHS Deerfield, Illinois, United States website	Safety/Security	4,609	13	12	1
Sohgo Security Services Tokyo (TSE) : 2331 Tokyo, Japan website	Safety/Security	4,568	1	1	-
Allegion NYSE : ALLE Dublin, Ireland website	Safety/Security	3,772	32	30	2
Halma London Stock Exchange : HLMA Amersham, United Kingdom website	Safety/Security	3,461	64	57	7
GE Security, Inc. Acquired RTX 2009-11-12 $1.82B Bradenton, Florida, United States website	Safety/Security	2,000	2	2	-
Federal Signal NYSE : FSS Downers Grove, Illinois, United States website	Safety/Security	1,862	18	16	2
MSA NYSE : MSA Cranberry Township, Pennsylvania, United States website	Safety/Security	1,808	9	7	2

Try Mergr Free — Access the Full List Today

Find the Right Companies Fast.
Get Full Access. Cancel Anytime.

Unlimited Searches
Unlimited Profile Views
Build and Export Lists of

PE Backed Companies
Direct Investors & Acquirers
Advisors
Deals
& More

Try Free

What's Mergr?

Mergr was built to make it easy to understand who owns which companies — and how they got there.

Whether you're researching private equity-backed businesses, recent acquisitions, or potential targets, Mergr provides structured access to thousands of companies, investors, and ownership histories.

The platform is powerful but easy to use — so you can quickly surface relevant companies and move from research to action.

Mergr, the Easiest-to-Use PE
and M&A DB

Key Benefits

Stay informed on events in your industry
M&A research that takes seconds (not all afternoon)
Better understand your customers and prospects
Discover active buyers (or sellers)

Search

4.8K Private Equity Firms
214K M&A Transactions
216K Companies Involved in M&A
(Buyer, Seller, or Target)
3.8K M&A Advisors
(Investment Banks and Law Firms)
83K M&A Contacts
(PE and M&A Advisors)

What next?

Full access to Mergr's investor, acquirer, and transaction data starts here.