Locksmith services in OKC. Pop-A-Lock is America's largest and most successful group of franchise locksmiths, car locksmithing, and roadside assistance providers. Founded in 1991 by former Law Enforcement Officers, Pop-A-Lock®️ Locksmith services are now available in more than 4,000 communities nationwide. In addition to providing a full array of Locksmith Services, Pop-A-Lock®️ is proud to have pioneered the Emergency Door Unlocking program (EDU). The EDU program is a FREE community service that assists emergency responders safely and quickly opening any door when a child, handicapped person, or pet is trapped.