Twenty One Plus

Twenty One Plus is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Homes Mentally Challenged

North American Industry Classification System (NAICS) Categories:

• Residential Mental Health And Substance Abuse Facilities > Residential Care For The Handicapped > Homes Mental Retardation & Developmentally Disabled

Standard Industry Classification (SIC) Categories:

• Residential Care > Residential Care For The Handicapped > Homes Mental Retardation & Developmentally Disabled