
Critical Infrastructure & High Value Assets Protection
Protective Services
Critical Infrastructure & High Value Assets Protection
Protective Services
Critical Infrastructure & High Value Assets Protection
Protective Services
Critical Infrastructure & High Value Assets Protection
Protective Services
Critical Infrastructure & High Value Assets Protection
Protective Services
Security - Investigation - Consulting - Homeland Security Training and Certification Institute
Security Service
Off-Duty Law Enforcement | Armed & Unarmed Security | Uniformed, Plainclothes, and Front Desk Personnel | Short & Long-Term Assignments
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If you are seeking professional off-duty law enforcement officers or armed and unarmed security personnel, C4SEM offers trusted and highly trained security solutions tailored to your specific needs. Whether you require uniformed officers, plainclothes security, or front desk personnel, our team is equipped to handle both short- and long-term assignments with professionalism and discretion.
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Our comprehensive security services are reliable, affordable, and designed to deliver peace of mind. C4SEM works closely with clients to develop customized security strategies—incorporating off-duty police officers and experienced security professionals—to protect your organization, business, or community.
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Contact us today to learn more about how C4SEM can support your safety and security objectives.

Programs and Services
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Manpower
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Off Duty Law Enforcement Officers
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Driver Messenger Armed
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Armed Uniformed Services
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Unarmed Uniformed Services
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Undercover/Plainclothes Officers
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K9 Patrol and Narcotic
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Deployable Advance Team
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Tactical Response Team
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Transitional Team
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Security Services
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High-value Target
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Faith-Based Organizations & Facilities
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School Safety Officer
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Private Charter Schools
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Embassies and Consulates
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Special Events
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Employee Terminations
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Workplace Threats
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​High Profile Events and Rally
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Hospitals and Universities
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Commercial and Industrial Facilities
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Critical Infrastructure facilities
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Government Facilities
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Asset Protection
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Retail Stores and Bars
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Construction and Utility work sites
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Apartments and single-family Housing
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High-Value Warehouse Facilities
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Domestic Standby Situations
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Loss Prevention
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Executive Protection
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Foreign Presidents and Diplomats
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Corporate CEOs and Executive Officers
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Royal Family Members
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Celebrities
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Television Personalities
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Support Services
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ACTIVE SHOOTER
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INSIDER THREAT
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EMPLOYEE MISCONDUCT
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CONTINUITY OF OPERATIONS
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TERMINATION AND DISMISSAL
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SURVEILLANCE DETECTION
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PHYSICAL SECURITY ASSESSMENTS
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DEALING WITH WORKPLACE VIOLENCE
- STRIKES AND PICKET LINE
Dependable Service
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No minimum contract required
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A single point of contact
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Responsive shift supervisors
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Trained and qualified professionals
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Confirmation on every shift
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Short and long-term coverage
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Disaster Response Team
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Advance Team
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Comprehensive risk mitigation
