Adcock Systems LLC

Adcock Systems LLC is a full-service fire alarm, electrical, and sprinkler contractor serving the Washington D.C. metropolitan area with over 25 years of experience and NICET Level 4 certified staff.

About

Founded in 1998 by George Adcock and Michael Stone, Adcock Systems LLC has provided exceptional fire protection and electrical services to the greater Washington D.C., Maryland, and Virginia areas for over 25 years. Since its founding, the company has established itself as a trusted partner for private owners, property management firms, general contractors, and electrical contractors throughout the region. In March 2022, Adcock Systems was acquired by Cross-Fire & Security Co., Inc., a portfolio company of AE Industrial Partners, and became part of the Altus Fire & Life Safety family. This partnership strengthens the company's ability to deliver scalable solutions, ensure continuity, and support clients with the backing of a national platform while maintaining the personalized service of a trusted local team. The company continues to operate under the leadership of Benjamin Thompson, Chief Financial Officer, and Dave Dunnington, General Manager, with Kelly Preuett heading the sprinkler division. Adcock Systems is a full-service fire alarm, electrical, and sprinkler contractor specializing in design, installation, inspection, monitoring, service, and repairs. The company employs the latest industry technology and certifications, including UL Listed status for Service & Installation of Fire Alarm systems in the Washington D.C. area. Their staff includes NICET certified members, most with Level 4 certification, the highest NICET certification level available. The company features cutting-edge technology, including Honeywell's Notifier products, and maintains expertise in fire alarm design with full in-house CAD capabilities. With locations in Waldorf and Lanham, Maryland, Adcock Systems provides comprehensive electrical contracting services for commercial and large multi-family residential projects. The company is a union contractor affiliated with IBEW Local 26 and holds membership in the National Electrical Contractors Association (NECA) Washington DC Chapter. Their licensed team ensures safe, efficient, and code-compliant solutions across all disciplines. Adcock Systems maintains Maryland Fire Sprinkler Contractor License MSC-548 with Class I and Class IIIc classifications, covering inspection, testing, maintenance, installation, repair, and modifications of NFPA 13, 13D, and 13R systems. The company invests in modern tools, technology, and training to deliver systems that are not only compliant but built to perform for years to come. They offer 24/7 emergency service to ensure clients receive support whenever needed, working seamlessly to keep projects on schedule and within budget while ensuring safety is never compromised.

Additional Locations

Lanham, MD
10109 Senate Dr
20706

Project Types

Commercial Office BuildingsProperty Management FacilitiesGeneral Contractor ProjectsMulti-Family Residential Buildings

Union Affiliations

Licenses

MD - MSC-548
Verified
Type: Fire Sprinkler Contractor
Classifications:
Class I - Inspection, testing and maintenance only; NFPA 13, 13D, & 13R SystemsClass IIIc - Installation, repair, modifications and layout; NFPA 13, 13D & 13R Systems
Expires: August 31, 2026

Contact Information

Map showing location of 11954 Motley Place, Waldorf, MD 20602
Address
11954 Motley Place
Waldorf, MD 20602
Primary Contact
Benjamin Thompson
Chief Financial Officer

Company Details

Established
1998
Employees
11-25

Licenses

MD - MSC-548Verified
Fire Sprinkler Contractor
Class I - Inspection, testing and maintenance only; NFPA 13, 13D, & 13R Systems, Class IIIc - Installation, repair, modifications and layout; NFPA 13, 13D & 13R Systems
Expires: August 31, 2026

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