ECi MarkSystems is a leading provider of simple, visual, and mobile homebuilder software solutions, offering best practices based on NAHB recommendations and real-world applications. MarkSystems is the home building industry’s only single-database, ERP information management application, and one of the most widely used, industry-specific software products available for home builders. Through the use of interactive maps, LotVue allows developers and builders to easily visualize lot inventory, construction progress, sales status, budget and schedule variances, architectural and other vital information.