| Vendor | Flagship Product | URL |
| Oracle | Oracle 8i, R2 | www.oracle.com/database/oracle8i |
| Informix Software | Informix Dynamic Server 2000 | www.informix.com/ids2000 |
| IBM | DB2 | www-4.ibm.com/software/data/db2 |
| Sybase | Sybase Adaptive Server | www.sybase.com/products/databaseservers |
| Microsoft | SQL Server 7 | www.microsoft.com/sql |
| T.c.X | MySQL | www.mysql.com |
| Hughes Technologies | mSQL | www.hughes.com.au |