Public directory
Every authorized WELL Performance Testing Provider, in one searchable place.
Pulled live from the IWBI Works with WELL directory. 92 providers worldwide. Filterable, indexed, discoverable — so your prospect doesn't have to hunt.
Showing 92 of 92 providers
Consulting & Sustainability
Cornerstone
Brussels Hoofdstedelijk Gewest, Selangor, Wilayah Persekutuan Kuala Lumpur
3 locs
Consulting & Sustainability
Cornerstone
Singapore, Thailand, United Kingdom of Great Britain and Northern Ireland
3 locs
Consulting & Sustainability
Keystone
Beijing
1 loc
Consulting & Sustainability
Cornerstone
China, Hong Kong Special Administrative Region
1 loc
Keystone
China, China, Hong Kong Special Administrative Region
2 locs
Consulting & Sustainability
Cornerstone
Hong Kong, China, Hong Kong Special Administrative Region
2 locs
Consulting & Sustainability
Cornerstone
United Kingdom of Great Britain and Northern Ireland
1 loc
Consulting & Sustainability
Keystone
Ireland, United Kingdom of Great Britain and Northern Ireland
2 locs
Technology
Keystone
Shanghai, Beijing, Guangdong (+4)
7 locs
Consulting & Sustainability
Keystone
United States
1 loc
Consulting & Sustainability
Keystone
United Kingdom of Great Britain and Northern Ireland
1 loc
Consulting & Sustainability
Cornerstone
New South Wales
1 loc
Consulting & Sustainability
Keystone
Oregon, Arizona, Florida (+1)
4 locs
Building services
Cornerstone
Shanghai
1 loc
Consulting & Sustainability
Cornerstone
Karnataka
1 loc
Consulting & Sustainability
Cornerstone
Italy, United Kingdom of Great Britain and Northern Ireland, Spain (+1)
4 locs
Engineering
Cornerstone
United Kingdom of Great Britain and Northern Ireland, Finland
2 locs
Consulting & Sustainability
Keystone
Shanghai
1 loc
Cornerstone
China
1 loc
Keystone
Shanghai
1 loc
Consulting & Sustainability
Keystone
United States, United Kingdom of Great Britain and Northern Ireland
2 locs
Consulting & Sustainability
Keystone
United Kingdom of Great Britain and Northern Ireland, Illinois, Quebec (+2)
5 locs
Consulting & Sustainability
Cornerstone
China, Hong Kong
2 locs
Data pulled from IWBI Works with WELL directory on 2026-04-17. Directory includes the complete universe of authorized Performance Testing Providers. For up-to-date listings, see IWBI's source directory. WellTest Global is not affiliated with IWBI beyond its authorized-provider designation.