COMPANY PROFILE Seneca Technolgy Corporation (STC) is a system-software development company specializing in high-performance utilities and programming productivity aids for users of IBM System/zOS architecture and compatible systems. Seneca Technology Corporation was founded in 1990 by Hank Skalka and Eric Jensen. Seneca Technology Corporation's technical staff has many years of mainframe-computer and system-software experience and provides technical support for the products it develops.