General Links
http://win32assembly.online.fr/index.html - Iczelion's Win32 Assembly Programing Site, with MASM related tutorials, documentation examples, and links collection.
http://ObjAsm32.tripod.com/ - Biterider's ObjAsm32 site, with information and tools for Object Oriented Programming (OOP) in Assembly Language.
http://www.scrontsoft.com - Scronty's homepage with DirectX tutorials, examples, includes, and links.
http://www.madwizard.org - Thomas (aka MadWizard)'s homepage with many tutorials, snippets, and applications.
http://www.godevtool.com - Jeremy Gordon's GoASM, GoLINK, GoRC, and GoBUG Homepage.
http://webster.cs.ucr.edu/ - Randall Hyde's homepage with LOTS of documentation, including his book Art Of Assembly.
http://www.agner.org/optimize/ - Agner Fog's code optimization manuals.
http://www.radasm.com/ - KetilO's RadASM IDE.
http://www.winasm.net/ - Akyprian's WinAsm Studio IDE.
Crime & Co.
Biterider - Community Moderator and OOP in Assembly Guru.
bitRAKE - All around programmer.
BogdanOntanu - SolOS and Hostile Encounter RTS Designer.
donkey - Maintains Donkey's Stable, a source for many great ASM projects and information.
f0dder - Community Moderator, enjoys reversing, likes the NT Kernel, and loves proving people wrong.
Hiroshimator - Community Co-founder, Leader, web-development guru, and all-around Playful Kitten 
Homer - Community Moderator and Game Programming guru.
Iczelion - Creator of the original Win32ASM Tutorials that started it all.
JimmyClif - Community Moderator and Assembly Language Buff.
KetilO - Community Moderator and RadASM IDE creator/maintainer.
NaN - Community Moderator, Electrical Engineering Guru and OOP ASM enthusiast.
roticv - Community Moderator and loves Assembly Language.
Scronty - ASM w/DirectX pro.
SpooK - Community Moderator, Primary Site Maintainer, DynatOS Designer, and assembly language fanatic!!!
Synfire - Community Moderator, and developer of the NASMX Project.