Level One Service Brands Share: Janitorial Services Level One Service Brands Request Info 4011 University Drive, Suite 202 Durham, NC 27707 (919) 328-9034 Rep Info Map Whom to Contact Ray Swanson 4011 University Drive, Suite 202 Durham, NC 27707 Phone: (919) 328-9034 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.