Pharma Company, Oral Meds Corporation, and Narco, Inc., are drug makers. Medico Company and Lab Source, Inc., are drug distributors.

Pharma Company, Oral Meds Corporation, and Narco, Inc., are drug makers. Medico Company and Lab Source, Inc., are drug distributors. In a suit against all of these parties in which market-share liability is imposed, most likely to be liable are