Security Systems & Services in District Heights, MD

Comprehensive list of District Heights, Maryland based companies offering installation, maintenance and repair of home and business security systems, CCTV & burglar alarms, guard and video surveillance services.

Business Listings

OTS is a SEDB and SBA 8 a certified company. OTS is certified by the Metro Transit Authority WMATA, DBE & Compliance certified and on a GSA schedule. Through one of our three separate divisions, listed below, we address every kind of security challenge imaginable. Our Goal Ironically, our mission is not just to supply you the high-quality security products.


Millennium Security Systems was established in March 2000 by Marc Lambert, a retired USAF Military Police Investigator. Mr.Lambert ran operations for several security and alarm firms prior to starting his own firm. Mr. Lambert's business plan was to establish a complete service security firm that prides itself on client service and satisfacion.


FREE health insurance for all employees & their families is just one of the many ways that Fireguard shows how it cares for its employees. The Fireguard Corporation is one of the premier fire protection contractors in the Mid-Atlantic region. Fireguard is your single source service for all of your fire protection and life safety requirements.



Knight Protective Service. offers cutting edge security solutions in complex environments. Over 1,800 security specialists serve multiple locations throughout the US. KPS has a reputation for flexibility, responsiveness and dependability. We have a long history of working as a sole supplier and in collaborative efforts with other nationally recognized security companies.


The following applies to the 24/7 Home Protection Package only. Other systems and monitoring options available. Form of payment must be by credit card or electronic charge to your checking or savings account. Offer applies to homeowners only. Local permit fees may be required. Satisfactory credit history required, Certain restrictions may apply.


Please see our new numbers below. US Bullet Proofing. is proud to provide the industry with the most advanced forced entry, bullet resistant, and blast resistant high security products. US Bullet Proofing was established through sheer will and determination of a few people who believed that they could build the very highest quality and features in the business at the most competitive price.


Mission Statement Our Mission is to fulfill the security and related requirements of our clients, and in doing so exceed their expectations for service, value and quality. We aim to gain our clients' long term loyalty by working to deliver more than promised; being honest and fair and going the extra mile to supply exceptional personalized service that creates a pleasing business experience.


ESSI is an electronic security systems integrator, set up in 1981, with corporate offices in Upper Marlboro, Md. and fully licensed to operate in Washington, D.C., Virginia and Maryland. First and foremost a client oriented firm, ESSI provides a complete array of services including design, engineering, project management, installation, repair, training and support services.