 | gallagher security | hamilton, waikato region, new zealand | 273 | security and investigations | 1938 | |
 | aegis security & investigations inc. | ca, california, united states | 171 | security and investigations | 2007 | |
 | Securico Electronics India Limited | Faridabad, haryana, india | 130 | security and investigations | 1982 | |
 | Abel | Leicester, england, united kingdom | 200 | security and investigations | 1965 | |
 | sgw consulting group | london, england, united kingdom | 11 | security and investigations | 2003 | |
 | 2012 Security Ltd | Barking, england, united kingdom | 42 | security and investigations | 2011 | |
 | Actron Systems, Inc. | Lincoln Park, michigan, united states | 14 | security and investigations | 1957 | |
 | 1st Security Solutions | Doncaster, england, united kingdom | 17 | security and investigations | 2004 | |
 | IDIS Nederland BV | Dongen, north brabant, netherlands | 9 | security and investigations | 1997 | |
 | CP PLUS | noida, delhi-ncr, uttar pradesh, india | 716 | security and investigations | 2007 | |
 | pavilion technology limited | victoria island, lagos, nigeria | 101 | security and investigations | 1984 | |
 | Doorsec Security Services LLC | Dubai, dubai, united arab emirates | 62 | security and investigations | - | |
 | Innovation Fire & Security | Crawley, england, united kingdom | 2 | security and investigations | 2011 | |
 | DASH Symons | Gold Coast, queensland, australia | 5 | security and investigations | 2008 | |
 | CONTROL SEGURIDAD | Valladolid, Castilla y León, spain | 18 | security and investigations | 2008 | |
 | Enterprise Security Systems, Inc. | Charlotte, north carolina, united states | 10 | security and investigations | 2001 | |
 | Digitals India Security Products P Ltd | noida, uttar pradesh, india | 181 | security and investigations | 1981 | |
 | Standfast Security Systems Ltd | Bristol, england, united kingdom | 2 | security and investigations | 1986 | |
 | Gator Security, Inc. | Okeechobee, florida, united states | 10 | security and investigations | 2004 | |
 | PLATİN TEKNOLOJİ | Istanbul, turkey | 5 | security and investigations | 2005 | |
