Chamber Master ITS - Integrated Telemanagement Services, Inc. Share: Cloud Computer Services ITS - Integrated Telemanagement Services, Inc. Visit Website 4100 Guardian St. Suite 110 Simi Valley, CA 93063 (805) 520-7020 About About Since 1990, ITS has been providing tech solutions for businesses in CA from our HQ in Simi Valley. We are specialists in telecomm services, business internet, cloud solutions and managed IT services.