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Are You Looking for Security Systems & Services in Wisconsin?

Explore 51 security businesses across Wisconsin, including Madison, Brookfield and Racine, offering alarm systems, monitoring and protection services. Read customer reviews, check service coverage and contact suitable providers about estimates.
Beaver Dam (1)
Brookfield (3)
Butler (1)
Chippewa Falls (1)
Combined Locks (1)
Elkhorn (1)
Franklin (2)
Green Bay (1)
Greenville (1)
Hales Corners (1)
Hudson (1)
Kenosha (1)
La Crosse (1)
Little Chute (2)
Madison (7)
Manitowoc (1)
Menasha (1)
Menomonie (1)
Milwaukee (2)
Neenah (2)
New Berlin (2)
Oconomowoc (1)
Oregon (1)
Racine (3)
Ripon (1)
Saint Croix Falls (1)
Saukville (1)
Sheboygan Falls (1)
Sparta (1)
Sturgeon Bay (1)
Superior (1)
Verona (2)
Waukesha (2)
Waunakee (1)
1 review
Complex Security Solutions
12 Years
1 review
Founded in 2014 with a proven track record in integrated security systems.
Trusted security, electrical, and IT services in Wisconsin. Complex Security Solutions offers customized security systems, structured cabling, and electrical solutions for commercial and residential clients.
Security Systems Electrical Services Structured Cabling
(262) 207-4099 Call Profile
Not rated yet
Tera-X
22 Years
Not rated yet
We offer decades of expertise in GaAs pulsed circuit design for THz systems
Tera-X develops terahertz technology for advanced threat detection including explosives, concealed weapons, and biological agents. Our portable systems offer standoff security solutions for military, border control, and emergency response applications.
Terahertz Security Systems Explosives Detection Chemical and Biological Sensing
(608) 217-1660 Call Profile
Not rated yet
American Security & Communications
50+ Years
Emergency
Not rated yet
We have over 45 years of experience in integrated security system design and installation.
Trusted provider of fire alarms, CCTV systems, and 24/7 monitoring services for homes and businesses in Wisconsin since 1975. Get customized security solutions from our certified experts.
Fire Alarm Systems CCTV Camera Systems Intrusion Detection
(920) 722-8787 Call Profile
Not rated yet
Securitel
Emergency
Not rated yet
We offer 24/7 professional monitoring for immediate threat response
Securitel offers top-tier commercial and residential security systems in Wisconsin, including surveillance, access control, and 24/7 monitoring. Trusted by businesses and families statewide for reliable, customizable protection.
Commercial Security Video Surveillance Access Control
Profile
Bradley Security
32 Years
Emergency
Not rated yet
Bradley Security
32 Years
Emergency
Not rated yet
We offer over 31 years of security industry expertise.
Bradley Security provides 24/7 security solutions for homes and businesses in Butler, WI, including alarms, surveillance, and monitoring.
Atmosphere Sensors Burglar Alarms Card Access Systems
(262) 786-8800 Call Profile
Not rated yet
MPI Protective Service
33 Years
Emergency
Not rated yet
Family-owned with 30+ years of industry expertise
Trusted security solutions for Wisconsin businesses since 1993. MPI Protective Service offers customized security, investigations, and 24/7 emergency response services with a family-owned commitment to integrity and excellence.
Security Patrol Corporate Security Executive Protection
(608) 243-7946 Call Profile
Best Defense
32 Years
Emergency
Not rated yet
Best Defense
32 Years
Emergency
Not rated yet
We offer 24-hour emergency service with NICET-certified technicians available around the clock.
Best Defense offers fire alarms, sprinkler systems, and security services in Wisconsin. 24/7 emergency support, NICET-certified technicians, and comprehensive life-safety solutions for homes and businesses.
Fire Alarms Sprinkler Systems Security Systems
(608) 223-1110 Call Profile
Not rated yet
Protection Technologies
Emergency
Not rated yet
We offer 24/7 emergency service and in-stock replacement parts.
Protection Technologies provides reliable fire alarm, access control, and video management systems in Madison, WI. Trusted expertise in integrated security solutions for commercial and industrial clients.
Fire Alarm Systems Access Control Video Management
(608) 838-8208 Call Profile
Not rated yet
Abba Logic
27 Years
Not rated yet
24 years of specialized experience in integrated security systems since 1999
Discover Abba Logic's integrated access control and PLC systems for commercial security. Since 1999, we've provided scalable MASC software solutions for government facilities, airports, and industrial sites in Racine, WI and beyond.
Access Control Systems PLC Controllers Intercom Systems
(262) 634-4566 Call Profile
D Y Technology
19 Years
Emergency
Not rated yet
D Y Technology
19 Years
Emergency
Not rated yet
We offer 15+ years of security system expertise since 2007
D Y Technology offers cutting-edge security solutions in Green Bay, including alarms, surveillance, and home health services. Serving Oshkosh, Appleton, and Marinette since 2007 with affordable, customizable systems.
Burglar Alarm Systems Fire Alarm Systems Video Surveillance
(920) 339-0429 Call Profile