Some of these companies being funded might be using a TLD, CCTLD or GTLD.
Here is a list of those that got funded:
http://robbiesblog.com/crunchbase-daily-funding-rounds-domain-name-check-series-1/2578
Here is a list of those that got funded:
http://robbiesblog.com/crunchbase-daily-funding-rounds-domain-name-check-series-1/2578