S3 Integration has the unique ability to offer clients the power and experience of a large national company, while providing them the speed, agility, responsiveness, and personal relationship of a small company. We accomplish this as a Member and Owner in the Professional Security Alliance (PSA) network, which consists of over (300) additional full service offices located in all 50 states. This high-powered combination makes S3I one of the premier application solution providers in the country.