About Integrative Systems Currently, Integrative Systems offer services in the field of software development in the AS400/iSeries, Microsoft Solutions, BPCS niches. They also provide back office optimization, infrastructure support & digital technology services. They are 20+ year old technology company, headquartered in Chicago, IL and operate from US and India offices and are led by very experienced leaders. Their clientele span all over North America and Canada. Since inception, they have been a software innovation partner for SMBs and Fortune 500 companies. Their team of professionals provides a full range of software engineering and consultancy services, for both, the technology challengers and the users of established technologies.