All clubs are.
Championship clubs made more money in revenue in 2022-23 than they spent on wages for the first time in six years, Deloitte said in its annual report on football finances.
A total revenue of £749m was a 10% increase for clubs in English football's second tier from the previous year.
It was the fifth most attended league in Europe, with its cumulative attendance of about 10 million putting it behind only the Premier League, Germany's Bundesliga, Italy's Serie A and La Liga in Spain.
Despite this, no single club generated an overall profit before player trading, with the league recording an overall loss of £316m, the report said.