Commercial cleaning services, office cleaning and janitorial services provided for Detroit, MI since 1997. Click to request a free online cleaning estimate. Discover all the benefits of our cleaning services for your business. As a national janitorial cleaning company for over 20 years, AJ Services has created a high reputation for itself, servicing all types of facilities all over the Kalamazoo, Detroit, MI, Flint, Lansing, Grand Rapids, and and all areas. From commercial office buildings, restaurants, schools, dealerships, to churches and religious facilities, we clean it all, while helping promote a healthy work environment for employees and customers.