As the nation's leading car wash investment bank, we keep a pulse on the car wash industry's major players and market dynamics. Utilizing various sources, we've created the definitive list of car wash businesses and chains by site count.
*Site Count data includes sites in development.
As of May 2026, the car wash company with the most operational locations in the United States is Whistle Express Car Wash. Whistle Express Car Wash operates 530 total locations across 25 states, and is headquartered in North Carolina.
Quick Quack Express Car Wash, headquartered in California, holds the title for the most car wash locations of any company based in the state as of May 2026. With a total of 275 locations, Quick Quack Express Car Wash operates across five states: Arizona, California, Colorado, Texas, and Utah.
El Car Wash is the company with the highest number of car wash locations headquartered in Florida, exclusively serving the state. As of May 2026, El Car Wash operates 90 locations within Florida and has at least 1 additional site in development.
As of May 2026, Delta Sonic is the largest car wash company based in New York State, boasting 32 locations. Delta Sonic facilities are spread across three states: New York, Illinois, and Pennsylvania.
WetGo Car Wash holds the distinction of being the largest car wash company headquartered in Pennsylvania as of May 2026. This business operates a total of 47 locations, which are distributed across just two states: Pennsylvania and Ohio.
As of May 2026, Spotless Brands is recognized as the largest car wash company based in Illinois. Operating under various brand names, Spotless Brands manages a total of 213 locations across nine states: Arizona, Colorado, Oklahoma, Maryland, Tennessee, Virginia, West Virginia, Idaho, and Oregon.
Our top car wash companies list is ranked by the number of locations each car wash business operates. Companies with more active locations appear higher on the list, making this ranking a simple way to compare the size and reach of major car wash brands across the industry.
“Major chain” is a loose definition in the car wash industry, but for this ranking, we start with businesses that operate at least 5 locations. This helps separate multi-location operators from single-site or smaller local car wash businesses while still including growing regional chains.
Private equity firms are investing in car washes because the industry offers several attractive business advantages. Many modern car wash companies use membership-based models, which can create steady recurring revenue. Express car washes can also operate with relatively low labor needs, high vehicle throughput, and scalable systems across multiple locations.
Car wash businesses are also highly local, which gives investors opportunities to buy smaller operators, improve operations, rebrand locations, and grow through acquisitions or new development. For private equity firms, this combination of recurring revenue, fragmented ownership, and room for expansion makes car washes an appealing investment category.