Presbyterian Homes & Services | 12,792 followers on LinkedIn. Presbyterian Homes & Services (PHS), based in St. Paul, Minnesota, is a non-profit, faith-based organization providing a broad array of high quality housing choices, and care and service options for older adults. Over 7,100 employees serve more than 26,000 older adults through 59 PHS-affiliated senior living communities in Minnesota, Iowa and Wisconsin, and through Optage® home and community services.