User 1) BlackLilac
Running these sites:
- http://www.blacklilacfinancial.com/
- http://www.2asic.com/ (closed) Used for selling asicminer devices.
- https://asicminer.info/ (closed)

His 2asic.com ended up in scam accusation: https://bitcointalk.org/index.php?topic=321290 for not delivering.
Here is some contact details on blacklilacfinancial.com:

His real name: Jordan Lear

Black Lilac Financial Corporation
666 Burrard St
Vancouver, British Columbia
V6C 2X8
Canada

Phone: 1 (877) 420-7992
Fax: 1 (888) 220-0714
E-mail: info@blacklilacfinancial.com
Skype: BlackLilacFinancial
Twitter: @BlackLilac

Also, here BlackLilac claims to have made over a thousand BTC with TF in the first 8 months of 2013, as well as having thousands of BTCs in cold storage:
http://dt.reddit.com/r/Bitcoin/comments/1j4sy2/how_legit_is_coinlenderscom/