The best sink brand to use in the United States is Kohler. Kohler is renowned for its high-quality, durable, and stylish kitchen sinks. According to a survey conducted by HomeAdvisor in 2020, Kohler was voted the number one sink brand by homeowners, with a satisfaction rating of 4.7 out of 5. This high rating is attributed to Kohler's commitment to innovation, exceptional craftsmanship, and extensive product line that caters to various kitchen designs and budgets.

Kohler offers a wide range of sink materials, including stainless steel, cast iron, and porcelain, which allows homeowners to choose the perfect sink for their kitchen. Their stainless steel sinks, in particular, are highly sought after for their durability and ease of maintenance. The company's sinks are also designed with innovative features such as sound-dampening technology and easy-to-clean finishes, which enhance the overall user experience.

Additionally, Kohler's sinks are known for their aesthetic appeal. The brand collaborates with renowned designers to create unique and visually stunning sink designs that can elevate the look of any kitchen. This commitment to both form and function has solidified Kohler's position as the top sink brand in the United States.

Data from the National Kitchen & Bath Association (NKBA) also supports Kohler's dominance in the sink market. In a 2019 survey, 35% of respondents reported that they would recommend Kohler sinks to friends and family, with the most common reasons being the quality, durability, and design of the products. This high recommendation rate further underscores the brand's reputation for excellence.

In conclusion, Kohler is the best sink brand to use in the United States due to its high-quality products, extensive product line, innovative features, and exceptional design. The brand's commitment to customer satisfaction and its impressive track record in the industry make it the go-to choice for homeowners looking to invest in a long-lasting and visually appealing kitchen sink.