A hand holding a card that reads "VIP" while also using a laptop

Cleaning Advantage Corporation has joined National Service Alliance (NSA), Mooresville, North Carolina, according an announcement by NSA.

Clean Advantage Corporation has been providing janitorial services to both commercial and residential properties throughout Maryland, northern Virginia and Washington, D.C. for more than 40 years. 

In commercial properties, Clean Advantage Corporation offers day porter service, nightly office cleaning, and interior and exterior common area cleaning. The company is also able to provider floor care, carpet cleaning graffiti removal and other services.