Fleet Clean USA is a mobile commercial fleet washing franchise, specializing in on-site truck, van, and equipment washing for businesses.

• Revenue of $619,000 produces a strong payback ratio of 0.53, driven by low overhead and mobile operations.
• EBITDA margin of 15.4% and gross margin of 91.5% indicate a lean, profitable service model.
• Average investment of $323,500 is the lowest in this ranking due to no physical car wash tunnel.
• Operates 40 locations, providing established system scale.
• Three-year growth of –5% shows slight contraction as the network consolidated some franchise units into corporate but overall financial strength remains high.

Prime Car Wash is a full-service, luxury on-site car wash and detailing center, offering both tunnel washes and premium interior services.

• Revenue of $2.125M results in a payback ratio of 0.90, supported by a high-ticket service mix.
• Gross margin of 79.5% and EBITDA margin of 14.6% reflect strong unit-level earnings.
• Three-year system growth of +50% signals strong customer demand and franchise expansion.
• Operates 3 locations, still early but showing momentum.
• Average investment of $2.81M places it in the higher-cost end of the industry.

Tommy’s Express is a large-scale conveyor tunnel car wash chain, known for its high throughput, subscription plans, and automated facilities.

• Revenue of $1.567M yields a payback ratio of 3.39, heavily influenced by the highest investment costs in the segment.
• The network includes 206 locations, the largest car wash franchise operator in the US.
• Three-year growth of +67% is the strongest disclosed expansion across the car wash category.
• Average investment of $6.75M makes it a capital-intensive model geared toward high-volume sites.