Cooperative Home Care Associates (CHCA) is the largest worker-owned cooperative in the nation. CHCA was founded in 1985 to pr ... ovide quality home care to clients by providing quality jobs for direct-care workers. CHCA started with 12 home health aides. The cooperative now employs more than 2,000 staff. Together with PHI, a nonprofit founded by CHCA in 1992, CHCA maintains an employer-based workforce development program that provides free training for over 600 low-income women every year. CHCA workers provide home care services to chronically ill, or people living with disabilities in their communities. read more