1. Consultancy & Cloud Services
1.1. SaaSPoint
1.2. RBConsulting
1.3. CInfinity
1.4. PFH
1.5. Version1
1.6. Origina
1.7. Nostra
1.8. Datapac
1.9. Innovate
1.10. Cloud Consulting
1.11. eps - xingo
1.12. Trilogy Technologies
1.13. Titan
2. Open Source Projects
2.1. Eucalyptus
2.2. OpenNebula
2.3. Nimbus
2.4. dotcloud
2.5. Babble (maybe)
2.6. Elastic Computing Platform (ECP)
2.7. Haizea
2.8. Sun's Caroline
2.9. Ganglia
2.10. Parkplace
2.11. allmydata.org "Tahoe"
2.12. Sector/Sphere
2.13. Hadoop
2.14. UDT
2.15. AppScale
2.16. Annelidous
2.17. abiCloud
2.18. Tashi
2.19. libcloud
2.20. DeltaCloud
2.21. CloudLoop
2.22. Ubuntu Cloud
3. IaaS
3.1. Desktop
3.1.1. Cloudium
3.2. Compute
3.2.1. Strencom
3.2.2. Digitalmines
3.2.3. Servecentric
3.2.4. CInfinity
3.2.5. DataElectronics
3.2.6. Sleepless.ie
3.2.7. DigiWeb
3.3. Database
3.4. Middleware
3.5. Storage
3.5.1. Gridstore
3.5.2. KeepItSafe (SOLD to J2 Global, Oct 2010
3.5.3. MPStor
3.5.4. PutPlace
3.5.5. Strencom
3.5.6. Storage-0nline
3.5.7. Sleepless.ie
4. PaaS
4.1. Enterprise
4.1.1. Fort Technologies
4.2. Hosted
4.2.1. Datakraft
4.2.2. feedhenry
4.2.3. Sleepless.ie
5. Management
5.1. Monitoring
5.1.1. Cloudsplit
5.2. Private Cloud
5.2.1. Fort Technologies
5.2.2. Hibernia Evros
5.2.3. Origina
5.2.4. Strencom
5.2.5. Sleepless.ie
5.3. Security
5.3.1. vordel
5.3.2. Integrity
5.3.3. Baker Solutions
5.3.4. Daon
5.3.5. Vigitrust
5.4. Testing
5.5. Topology Management
5.5.1. SaaSplex
5.5.2. DigitalMines
5.5.3. fort technologies
5.6. Workload/ Provisioning / Scheduling
5.6.1. Cloudium
5.6.2. Gridstore
5.6.3. waratek
5.7. Billing/ Contract
5.7.1. OpSource
5.8. Governance/Policy Mgmt
5.9. Equipment
5.9.1. Datagrid
6. Telecom / IP network services
6.1. Strencom
6.2. Interfusion
6.3. eNet
6.4. FCS
6.5. Flint Telecom Inc
6.6. MTLD dot Mobi
6.7. Surecom
6.8. eQtel
6.9. Brisknet
6.10. Intune
6.11. Avita Communications
7. Community
7.1. Individuals
7.1.1. Cloud Twittserati
7.1.1.1. Joe Dromgoole
7.1.2. Bloggers/ Podcasts
7.2. Analyst Firms
7.3. Developers
7.4. Education
7.4.1. eurocloud
7.4.2. CloudCamp
7.4.3. Cloud Arena
7.5. Resources
7.6. Cloud Standards Wiki
8. Related Wikimaps
8.1. Architecture WikiMap
8.2. Technologies WikiMap
9. SaaS Companies - click here
10. Legal
10.1. Mason, Hayes and Curran
10.1.1. Philip Nolan
10.2. Smith Foy & Partners
10.2.1. Raymond Smith