For more than 20 years, Blastronix Inc. has been a manufacturer of high-end multiport PCI input/output (I/O) cards. It specializes in designing RS 232 and RS 422/485 serial port cards. The firm's portfolio includes a full line of PCI and ISA products ranging from two ports to 16 ports and up to a 32-bit GPIO programmable card. The company also provides engineering services to design custom products and software drivers to fit any I/O application. The custom products are offered through hole and surface mount designs to customer's specifications.