Engineering Systems Technology Engineering Systems Technology (EST) is a company that has expertise in installing and servicing fire alarm systems. | ![]() Larry's Lock & Safe Service Larry's Lock & Safe Service is a low-voltage and mechanical integrator that specializes in electronic and mechanical security and low-voltage systems integration. | ![]() The Maintenance Company The Maintenance Company is a company that provides building maintenance solutions. | ![]() Van Dijnsen Installatiewerken Van Dijnsen Installatiewerken is a company that provides mechanical, electrical, and security services. | Metro Eighteen Metro Eighteen (METRO 18) is a contracting company for electrical installation, lighting control, and audio-video systems. | |
Founding Date | Founding Date 1994 | Founding Date 1933 | Founding Date 2009 | Founding Date 1965 | Founding Date 2009 |
Type | Type Private | Type Private | Type Private | Type Private | Type Private |
Tags | |||||
Locations | Locations Hialeah, US HQ | Locations HQ | Locations HQ | Locations HQ | Locations HQ |
Employees | Employees 20 | Employees 9 | Employees 21 | Employees 1171% increase | Employees 44 |

Larry's Lock & Safe Service is a low-voltage and mechanical integrator that specializes in electronic and mechanical security and low-voltage systems integration.
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The Maintenance Company is a company that provides building maintenance solutions.
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Van Dijnsen Installatiewerken is a company that provides mechanical, electrical, and security services.
View companyMetro Eighteen (METRO 18) is a contracting company for electrical installation, lighting control, and audio-video systems.
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