| | M. & M. Beveiliging plattegrond | | | Beveiligings- en detective bureau's | Adres: Insulindeweg 618, 1095 ED Amsterdam Telefoon: 036-5464088 | | | | | | | | | |
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| | Mantis Consulting plattegrond | | | Beveiligings- en detective bureau's | Adres: Lokerenstraat 73, 1066 SP Amsterdam Telefoon: 020-6143346 | | | | | | | | | |
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| | Mar-Consultancy Ltd. plattegrond | | | Beveiligings- en detective bureau's | Adres: Van Baerlestraat 91/4HG, 1071 AT Amsterdam Telefoon: 020-7771076 | | | | | | | | | |
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| | Master Bewakers plattegrond | | | Beveiligings- en detective bureau's | Adres: Schakelstraat 10, 1014 AW Amsterdam Telefoon: 020-6171215 | | | | | | | | | |
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| | Mega First Security plattegrond | | | Beveiligings- en detective bureau's | Adres: Contactweg 24, 1014 BH Amsterdam Telefoon: 020-6105005 | | | | | | | | | |
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| | Nelson Security Company plattegrond | | | Beveiligings- en detective bureau's | Adres: Hoofdweg 30, 1058 BC Amsterdam Telefoon: 020-4125330 | | | | | | | | | |
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| | Nightwatch Surveillance plattegrond | | | Beveiligings- en detective bureau's | Adres: Museumplein 17, 1071 DJ Amsterdam Telefoon: 020-5787799 | | | | | | | | | |
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| | | Beveiligings- en detective bureau's | Adres: Berlaarstraat 101, 1066 PK Amsterdam | | | | | | | | | |
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| | Nomad Security Amsterdam plattegrond | | | Beveiligings- en detective bureau's | Adres: Spaarndammerplantsoen 20, 1013 XT Amsterdam | | | | | | | | | |
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| | P.P.U. Personal Protection Unit plattegrond | | | Beveiligings- en detective bureau's | Adres: Overslaghof 81, 1034 RW Amsterdam | | | | | | | | | |
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