Welcome to OCCSI – your trusted Managed IT Services provider in Wentzville! Founded in 1994, we've come a long way from a one-man operation to becoming a leading IT company. Our roots in Wentzville, Missouri, run deep, and since 1999, we've been dedicated to delivering top-notch IT services. Specializing in supporting Dental Practices and small businesses, we pride ourselves on tailoring solutions to meet your unique needs.