John Ferring

Plz Corp. engages in the manufacture of aerosol and liquid products. It formulates, blends, fills, and packages branded and private-label products including cleaners and polishers, industrial solvents, lubricants and degreasers, adhesives, sanitary supply disinfectants, insecticides, air fresheners, and personal care products for home and industrial use. The company was founded by John H. Ferring III in 1939 and is headquartered in Downers Grove, IL.

Entrepreneur Startup Business Development Corp. provides funding services to entrepreneurs for charity. It offers access to angel investment and venture capital networks, educational programming, talent acquisition and recruiting services, professional and business mentorship, relocation assistance, social support and community integration services, and inclusion into a community of innovative entrepreneurs. The company was founded in 2012 and is headquartered in St. Louis, MO.

PLZ Holding Corp. operates as a holding company through its subsidiary engages in packaging and marketing of aerosol products. The company is headquartered in St Clair, MO.

Sequoia Sciences, Inc. engages in the development of new medicines for the treatment of bacterial infections and cancers. The firm's development programs consist of small molecules targeting bacterial infections and cancers, and vaccines for the treatment and prevention of recurrent urinary tract infections. The company was founded by Gary R. Eldridge, Jr. in 1999 and is headquartered in St. Louis, MO.

Plaze, Inc. provides aerosol packaging services. It offers janitorial and sanitary supply, automotive, industrial maintenance, food and retail services. The company was founded in 1939 and is headquartered in St. Clair, MO.