Allied Universal Janitorial Services, a technology-driven cleaning company based in Santa Ana, California, has joined National Service Alliance (NSA), Mooresville, North Carolina.

Allied Universal Janitorial Services uses green cleaning processes, chemicals and equipment to service more than 100 million square feet of high rise offices, corporate campuses, government facilities, banking facilities, medical office building retail projects and more than two dozen LEED certified buildings.

Allied Universal Janitorial Services is a member of the U.S. Green Building Council and is ISSA CIMS green building certified.