Training Today for a Safer Tomorrow

For all of your security needs.

Over 40 Years of Industry Experience

Training Today for a Safer Tomorrow

For all of your security needs.

Over 40 Years of Industry Experience

Training Today for a Safer Tomorrow

For all of your security needs.

Over 40 Years of Industry Experience

A security guard stands confidently at a gated entrance

Your Pathway to Professional Protection Starts Here

Expert Security Training in Largo, MD

Main Line Protective Services, Inc. offers premier security training in Largo, MD, providing a professional and friendly learning environment backed by over 40 years of combined security experience. As a family-owned business since 2010, we pride ourselves on delivering top-tier training programs led by certified instructors, conveniently located just outside the metropolitan area near the metro for easy access.

Free Training for Qualified Veterans

Why Choose Us

Confident female security officer in a gray uniform

Over 40 Years of Experience: Our seasoned instructors bring decades of expertise to every training session.

Certified and Credentialed Instructors: Each course is taught by professionals with up-to-date certifications.

Professional and Friendly Environment: We foster a welcoming atmosphere that encourages learning and skill development.

Ideal Location: Our Largo, MD facility is strategically located near public transportation, making attendance convenient for all.

Comprehensive Security Training Programs

Since opening our doors, Main Line Protective Services, Inc. has trained some of the top security officers in the area, serving both government and commercial contracts with armed and unarmed security training. Our goal is simple: to equip you with the knowledge and skills necessary to confidently perform your daily duties.

A policewoman in sunglasses communicates via a radio

We offer a full range of courses tailored to meet industry standards and state requirements, including:

First Aid (Red Cross-Certified)

Adult, Child, Infant, and Pediatric CPR (Red Cross-Certified)

AED Training (Red Cross-Certified)

Monadnock Expandable Baton Training

Oleoresin Capsicum Spray Usage

Handcuffing Techniques

Special Police Officer Training

Maryland State Security Guard Training (Unarmed and Armed)

Homeland Contract Guard Training and Recertification

Private Firearm Training (9mm Glock 17, M&P, and Smith & Wesson)

I.C.E. Course Firearms Training

Concealed Carry Training

Veterans Security Training

Meet Our Leadership Team

Rosemary Holmes:
President/CEO and Instructor

Lamont Holmes:
Vice President and Firearm Instructor

Freddie Holmes:
Chief Operations Manager

Ebony Hamilton:
Finance and Office Manager

At Main Line Protective Services, Inc., our commitment to excellence ensures each student gains the confidence and competence required for the demanding field of security. Contact us today to enroll or learn more about our security training programs. We serve in Washington, DC, Maryland, and Virginia.