Diamond Infosystems Ltd. provides information technology services. It offers infrastructure systems integration, ERP and custom business applications, web presence development and information technology facility management. It operates through the Infrastructure Management Group (IMG) and Application Management Group (AMG) segments. The IMG segment offers system integration, web solutions, and application solutions. The AMG segment provides Enterprises Resources Planning, Microsoft Dynamics NAV, and SAP Business One. The company was founded by Suresh Naraian Bhatnagar in 1993 and is headquartered in Vadodara, India.