This paper aims to investigate the Critical Success Factors (CSFs) for the successful introduction of Six Sigma in large-scale Turkish construction companies. A survey-based approach is used in order to identify and understand the current quality practices. CSFs and impeding factors are identified and analysed. https://www.roneverhart.com/MSI-Vector-GP68HX-12VH-012CA-16-FHD-Gaming-Laptop-Intel-Core-i9-12900HX-2-30-GHz-32GB-DDR5-1TB-SSD-GeForce-RTX-4080-W/