The Trimble Business Center (TBC) survey CAD software offers customizable templates, simplified selection tools, and automated plotting functionality. You can also FREE download SAP 3D Visual Enterprise Author Overview of Trimble Business Center 5 Benefits Free Download Trimble Business Center 5 for Windows it is field-to-finish survey CAD software helps surveyors deliver high-accuracy GNSS data, create CAD deliverables, and leverage full data traceability throughout a project's lifecycle.