Grigore's Hardwood Flooring - The #1 Hardwood Floor Installation, Restoration, and Refinishing Company in Knoxville, TN! Grigore's Hardwood Flooring's team brings years of local experience to any hardwood flooring installation project, with countless satisfied customers across Knoxville and surrounding areas. Our team specializes in Hardwood Installation, Sanding, Finishing, and Recoating Services.