TrimbleĀ®, AutoBidĀ®, Mechanical is the most popular software specifically designed for commercial mechanical, plumbing, and piping contractors. Specification-driven takeoffs accelerate the takeoff process. You can access the pre-built database with over 100,000 items and prebuilt assemblies by clicking a button. Autofitting generation is the core of quick takeoff. Our patented approach is the fastest. Trimble's AutoBid Mechanical estimating software and AutoBid sheetMetal estimating software are the best on the market. Your subscription also includes Trimble's OnScreen View graphical takeoff tool, Advanced Image Manager (AIM), TRA-SER material pricing, labor pricing, submittal management, and Trimble Connect collaboration tools. You also get a preview of Trimble Estimation MEP Pro, a web-based estimating tool. AutoBid Estimating Essentials makes it easier to access Trimble's leading mechanical, piping, and sheet metal estimating software.