Game Manufacturers/Publishers/Miniatures
Battlefront Games Flames of War, Team Yankee
Corvus Belli Infinity
Games Workshop Warhammer 40,000, Age of Sigmar, Blood Bowl
Mantic Games Kings of War, Deadzone
Wizards of the Coast Dungeons & Dragons, Magic

Miniatures Manufacturers/Vendors
Black Sun Fantasy miniatures, Terrain
Blight Wheel Miniatures Resin sci-fi miniatures
Cadwallon Fantasy Minis, Games
Escenorama Terrain
Fantization Miniatures Minis, Games, Accessories
Figone Sci-fi/Fantasy/Historical Minis, Games, Accessories, Terrain
Gamezone Miniatures Fantasy Minis
Imbrian Arts Fantasy Minis
Lead Adventure Fantasy/Historical Minis
Magic Reality Miniatures Steampunk/Sci-fi minis
Miniature Market Minis, Games
Mirliton Fantasy Historical/Fantasy minis, games, accessories, paint, tools
Pop Goes the Monkey Custom bits for Warhammer 40,000
Raging Heroes Sci-fi/Fantasy minis
Reaper Miniatures Fantasy and Sci-fi minis
Red Box Games Fantasy Minis/T-shirts
Scale75 Historical Minis, Paint, materials
Siren Miniatures Fantasy Minis
Spellcrow Sci-fi minis, Warhammer 40,000 bits
Tiny Furniture Wargame scenery accessories
Wargame Exclusive Alternate Warhammer 40,000 minis, Bits
Wargames Foundry Historical/Fantasy/Sci-fi minis
Wargames Tournaments Laser cut terrain
WarGamma Fantasy/Sci-fi minis, accessories, terrain

Game Wikis
Battle College Warmachine, Hordes

Hobby Resources
Green Stuff World Sculpting tips, resources, tools, accessories

Local Shops
Dream Wizards Rockville
Games & Stuff Glen Burnie
Titan Games Reisterstown

Online Stores
The War Store These guys have everything at a discount
Wayland Games General stuff
Chaos Orc's Superstore New and used stuff

Online Tools
Kings of War Online Army Builder Build, save and print your list
Hero Forge Miniatures Designer Design and buy your own custom minis
Infinity Online Army Builder Build, save and print your list