A1 Security offers services to residential and commercial clients in Columbia. It handles the installation of home security systems, such as security keypads, doorbell cameras, and security cameras. It carries various devices that can detect motion, smoke, and carbon monoxide. It also uses Z-Wave technology, allowing individuals and families to control different aspects of their homes, such as lights, temperature, and garage doors, through smartphones. One of the company's clients commended the team for sharing options specific to their needs.