Directory
go-net consulting & solution GmbH
www.go-net.de Monitoring several Windows 200x machines, Cisco Routers and Cisco PIX, HP Switches.
Goldware Lankonsult AB
www.goldware.se Offering customized Nagios-plugins, installations and monitoring services for organizations of all sizes.
Goodworth Computer Services
Just starting out with Nagios, Evaluating its use for future service offerings.
Group Five
www.g5.co.za Currently implementing as a real-time capacity planing and monitoring server, Logging to SQL, RRD graphing of load & disk cap.
Groupe VLAN
www.vlan.be Monitoring Windows Servers (NT4.0 - W2K - W2K3), Linux Servers (RedHat), Novell Servers (Novell - Groupwise), AIX Servers, IPTelephony, Cisco Routers, Watchguard Firewalls, ArcServe Backups Results, etc... Nice looking network maps using Nagvis
Gulf Research Center
www.grc.ae Nagios had been monitoring our systems for last couple of years and the amount of flexiblity that it had given us is amazing, (although it is bit tougher to configure for a newbie). Best of luck for the efforts done by the NAGIOS team.