Sybase

The developer and maintainer of several RDBMSes, including:
 * Adaptive Server Enterprise (ASE) - Transaction-focused (?)
 * Advantage Database Server (ADS) - Transaction-focused (?)


 * Sybase IQ - Analytics-focused

as well as some higher-level domain-specific products which involve databases (e.g. financial risk analysis and such).
 * SQL Anywhere - RDBMS with a small footprint designed for mobility

Read the WikiPedia article.