Renfro Security Services is the one name you need to know for security in the greater Colorado Springs, Colorado area. For several years, Renfro Security Services has delivered safety, security, and peace of mind to a variety of clients in the greater Colorado Springs region. Your security is our number one priority please call today to speak with one of our officers for a quote on your specific security needs. Helping Others Protect Themselves And Giving Them The Tools To Do So. Now serving Colorado Springs.