Edward T. Maggio

Part of Lumen Technologies, Inc. (Louisiana), San Marcos Telephone Co., Inc. operates local telephone service. The company is based in San Marcos, TX. San Marcos Telephone Co. was acquired by CenturyTel, Inc. on May 14, 1993 for $109.68 million.

ImmunoPharmaceutics, Inc. is a commercial research laboratory. The company is based in San Diego, CA.

Cengent Therapeutics, Inc. used to research and develop pharmaceutical drugs. It was a structure-based drug discovery company with a primary focus on compounds targeting signal transduction for the treatment of obesity and diabetes. It used to discover orally active PTP-1B inhibitors for treatment of type II diabetes and obesity. It was headquartered in San Diego, CA.

Aegis Therapeutics LLC manufactures pharmaceutical products. Its intravail drug delivery technology facilitates non-invasive delivery of protein and peptide drugs through injection. The company was founded by Edward T. Maggio and Ralph R. Barry and is headquartered in San Diego, CA.