Computer Guidance Corporation delivers the leading construction enterprise resource planning (ERP) software solution including financial and project management, #1 business intelligence, mobile, and enterprise content management. Smarter Construction with Computer Guidance Construction ERP Software. eCMS is a comprehensive suite of software applications that helps any size and type of commercial contractor manage all aspects of their financials and operations. Therefore, our construction management software applications address all elements of business processes managing your projects from start to finish. Scalable, customizable, and cloud-hosted, CGC serves thousands throughout North America. Computer Guidance Corporation is part of the JDM Technology Group, a global construction-specific software conglomerate that serves more than 500,000+ in 40 countries and 6 continents.