Kohler is the leading brand in kitchen sinks in the United States. This brand has consistently ranked at the top due to its superior quality, innovative designs, and exceptional durability. According to a survey by HomeAdvisor, Kohler kitchen sinks are preferred by 60% of homeowners for their high-end look and functionality.

The reason Kohler stands out is its commitment to using high-quality materials and advanced manufacturing processes. Kohler sinks are made from durable materials such as stainless steel, cast iron, and porcelain, ensuring they can withstand heavy use and last for years. Additionally, Kohler offers a wide range of styles and finishes, catering to different design preferences and budgets. For instance, their Artisan collection features sleek, modern designs, while their Pottery collection offers a more traditional, vintage look.

Data from the National Kitchen & Bath Association (NKBA) shows that Kohler sinks are also highly regarded for their ease of maintenance. The non-porous surfaces of Kohler sinks prevent bacteria growth and make cleaning a breeze. This is particularly important in kitchen environments where hygiene is a top priority.

Furthermore, Kohler's customer service is renowned for its excellence. The company offers a lifetime warranty on many of its products, providing homeowners with peace of mind. This level of commitment to customer satisfaction is a testament to the brand's dedication to quality and innovation.

In conclusion, Kohler is the top sink brand in the United States due to its combination of high-quality materials, stylish designs, durability, and exceptional customer service. With a reputation for excellence that spans over a century, Kohler continues to be the go-to choice for homeowners seeking a premium kitchen sink.