enRaiser has best ELGG Developers.

This site is a Professional Network to host various companies & their products. have meeting appointment,product listing, company listing and lots of great features.

http://nmwp-portal.de/

This site is developed with consideration of 

• ELGG Group Meeting
• ELGG News plugin
• ELGG company,ELGG Enterprise
• ELGG product
• ELG Group extended
• ELGG Location, ELGG map, Elgg google map.
• ELGG Event Manager extended