China sourcing positions itself as the industry service provider of China’s outsourcing industry, as the first Chinese outsourcing industry portal facing the global market and offshore outsourcing advisory, it bases on China’s outsourcing industry, through providing third party service platform and related industry service and outsourcing service , making China sourcing a famous service brand, becomes the bridge and link of China outsourcing industry and global outsourcing market and raises the competitiveness of China’s outsourcing industry in the global market.
http://www.chnsourcing.com/membership.asp

The NOA is focused on promoting and sharing best practice in outsourcing. Its membership is comprised of UK and international companies, which are involved in outsourcing. This includes users, suppliers and those who provide services to support the outsourcing community.
Established as a not-for-profit organisation, operating for over 20 years, the NOA acts as an independent body.
http://www.noa.co.uk/index.php/site/become_a_member/

HROA’s objective is to provide independent, unbiased expert- and peer-based support to its members. This is achieved through:
1. Organization of networking and knowledge-sharing events
2. Independent research, benchmarking activities and commentary
3. Education and development programs for staff and management
4. Best practice sharing and establishment of common standards for the profession
5. Educating public authorities and establishing public affairs activities
http://www.hroassociation.org/

With more than 100,000 members and affiliates worldwide, IAOP is leading the effort to transform the world of business through outsourcing. Our client-side members are, on average, responsible for $60 million per year of outsourcing spending with some overseeing outsourcing programs in the billions of dollars. Eighty-five percent of customer members credit IAOP for improved outsourcing outcomes at their companies – making it the one source you need for outsourcing success!
http://www.outsourcingprofessional.org/

Electronics and Computer Software Export Promotion Council. An autonomous organisation under the Department of Information Technology, Ministry of Communications and IT, of the Government of India.
http://www.escindia.com/

The €OA operates as a pan-European Trade Association; a federation of country specific bodies operating as independent ‘not-for-profits’ organisations whose shared objective is to leverage effective business and process outsourcing.
http://www.e-oa.net/