EXHIBIT 21 Subsidiaries of Registrant NAME JURISDICTION OF INCORPORATION - ---- ----------------------------- First Medical Corporation Delaware Midwest Managed Care Inc. Illinois FMC Healthcare Services, Inc. Delaware First Medical Corporation - Texas Division Texas SPI Managed Care of Hillsborough, Inc. Florida SPI Managed Care of Broward, Inc. Florida SPI Managed Care, Inc. Florida Broward Managed Care, Inc. Florida HOC of Miami, Inc. Florida Dominion Healthnet, Inc. Florida NICO Inc. Delaware HallMark Electrical Supplies Corp. New York Universal Export Supply Corp. New York American Medical Centers Managed Co., Ltd. British Virgin Island