Band Links:

Dio Offical site
Whitesnake Official site
Burning Rain Official site

Endorsement/Gear Links:

Fender Guitars
Seymour Duncan
Dean Markley Strings
Fulltone Custom Effects
Custom Audio Electronics
Jim Dunlop
Marshall Amplification
Bogner Amps
TonePros

Record Labels:
Spitfire Records
Zrecords
Frontiers

Doug's Friends & Bandmates:

Ronnie James Dio
Simon Wright
David Coverdale
Marco Mendoza
Reb Beach
Timothy Drury
Tommy Aldridge
Kal Swan
Carmine Appice
Tony Franklin
Zakk Wylde
George Lynch
John Sykes
Tenacious D
Ash Newell

General/Music Site Links:

Melodic Rock
Dinosaur Rock Guitar
The Tour Bus
On The Rocks
Young Guitar Magazine
Burrn Magazine
KNAC Radio

Fan Sites:
eternalmelody
heavensheart