Kellermeyer Bergensons Services (KBS), Oceanside, California, partnered with the National Service Alliance (NSA) Mooresville, North Carolina.

KBS is a provider of commercial contract cleaning and integrated facility support services to retailers, commercial facilities, manufacturing and distribution facilities, entertainment venues and other multi-region, multi-site businesses across North America.

The building service contractor provides janitorial services, daily and restorative hard floor care, comprehensive carpet care, restroom cleaning, window cleaning, pressure washing and day porter services.

NSA is a group purchasing organization for BSCs. Members benefit from the purchasing power of the group and receive national pricing on a wide variety of supplies and services.