WelcomeTo Preferred Service LLC We provide our customers with the highest quality floor care in the industry. Our system, backed by over 20 years of experience, sets the standard in both gloss level and overall cleanliness. We have become an industry leader by working closely with each customer to create a system which is tailored to meet the specific goals of their business. With our wide range of expertise and unparalleled customer support, we are able to provide the best combination of services to meet your specific needs.