Check out Richard Lewis' report on CS:GO gambling sites. Remember: There is no such thing as a "legit" gambling site in Steam; they're violating the Steam Subscriber Agreement to begin with.
Login via Steam

Middleman List: 13

Warning: Scammers are copying all profiles below to steal items on a wide scale. confirm who you are dealing with before any trades. If you trade with a scammer copying one of these profiles, there is nothing anyone can do to recover your items!
Sexy Emu ☢ ジ -=SMT=-
 
2013-04 SMT ADMIN SMT MIDDLEMAN
1965
 
2012-11 SKIAL MIDDLEMAN Banned Friends:
3 out of 1823
Edward
 
2010-02 FoG MIDDLEMAN SR DONATOR
Alias
 
2006-05 REDDIT ADMIN REDDIT MIDDLEMAN Banned Friends:
1 out of 546
λngelღмander
 
2013-06 FoG ADMIN FoG MIDDLEMAN Banned Friends:
3 out of 231
-=SMT=- Enstage
 
2012-06 FoG ADMIN FoG MIDDLEMAN SMT ADMIN SR DONATOR Banned Friends:
2 out of 1232
[RG]Bacon [/r/tf2trade]
 
2009-12 REDDIT ADMIN REDDIT MIDDLEMAN
cy
 
2012-01 FoG MIDDLEMAN Banned Friends:
3 out of 133
Gentleman - Vacation
 
2009-07 SKIAL MIDDLEMAN SR DONATOR Banned Friends:
2 out of 599
76561198038494002
 
2011-02 FoG MIDDLEMAN Banned Friends:
2 out of 799
-=SMT=- Makaveli
 
2012-11 SMT ADMIN SMT MIDDLEMAN
i7|Jing
 
2011-10 REDDIT ADMIN REDDIT MIDDLEMAN Banned Friends:
3 out of 385
Shubbler
 
2013-02 R-GOTRADE ADMIN R-GOTRADE MIDDLEMAN SR DONATOR Banned Friends:
3 out of 484

Valve and Steam are registered trademarks of Valve Corporation.
SteamRep is hosted by the non-profit Online Fraud Prevention Foundation and is not affiliated with Valve in any way.