Allegiance Security Group

SpecialtiesFull service security company here to protect you when needed. We handle anything from private events to public events keeping you safe and secure at all times. Call us with the help you are looking for and we will make it happen!

DSI�s Uniformed Security Division has been setting the standard in professional uniformed security for over 50 years. DSI provides both armed and unarmed uniformed security. All of our uniformed security personnel undergo an extensive background check and rigorous training to ensure the safety o...

National Trench Safety is a distributor and dealer of safety products for construction firms. The company specializes in the rental and sale of a range of products, including trench boxes, hydraulic systems and piercing tools. It also offers test plugs, road plates, slide rail systems, message boards, barricades and related trench and traffic safety items. The company additionally provides arrow boards, truck mounted attenuators, and beam and plate systems. It features products from various brands, such as Lansas, Cherne, Wacker, Stihl, Almand and Dynapa. The company provides personal safety training classes at job sites and offices. It is a member of the Associated General Contractors of America, National Utility Contractors Association and Associated Builders Contractors Association. National Trench Safety maintains a location in Houston.