![The words JOIN US written in vintage blue envelope](https://www.CleanLink.com/resources/editorial/2021/join-us-26388.jpg)
Cleaners of America (COA), a minority-owned janitorial business founded in Dallas in 1982, has joined the National Service Alliance, according to an email from the alliance.
Cleaners of America has millions of square feet under contract across the United States and is capable of servicing single- to multiple- location portfolios, according to its website.