Founded in 2004, AtopTech is a technology leader in integrated circuit (IC) physical design. Located in California, its technology offers design closure focused at processes 65 nm and below. The firm's product Aprisa is a complete place and route engine that includes placement, clock tree synthesis, optimization, global routing and detailed routing. Its other product Apogee is a complete top down floorplanning and chip assembly tool that complements Aprisa. AtopTech has partnerships with Synopsys and Mentor Graphics.