This is by no means a complete list but it should give you an idea on how long we've been around and what's on our toolbox.
Windows XP/7/8/2012/2008/2003/2000/NT/9X, Linux, Debian, Ubuntu, Redhat, UNIX, BSD, FreeBSD, Solaris, DOS
Microsoft SQL Server (version 6 through 2012), Oracle, MySQL, PostgreSQL, Ingres, Access, Dbase, NoSQL and many others.
Dreamweaver, Eclipse, UltraEdit, Adobe Photoshop, GIMP, SQL Server Enterprise Manager, SQLyog Enterprise, Microsoft Visual InterDev, Microsoft Visual Studio, Apache, Microsoft Internet Information Server (IIS), NGINX, Sendmail, Postfix, Dovecot, Microsoft Exchange, vsftpd, Serv-U FTP Server, Listserv Server, BIND, Simple DNS, VMWare, JBoss, WebLogic and many others.
All aspects of standard PC and server construction, troubleshooting and maintenance; networking equipment such as routers, hubs, switches, etc.; high-end server equipment, RAID arrays, rack enclosures, SAN/NAS systems, high-speed networking solutions, backup systems and others.
We utilize many services from Amazon Web Services such as but not limited to EC2, DynamoDB, RDS, CloudFront and Glacier.