OzIsu.com
- A source of technical and maintenance information for the Piazza.
- http://www.ozisu.com

Holden Car Clubs of Australia
- Holden Resource Site, Including links to major clubs and websites.
- http://www.holden.org.au

Sammy's Old Holdens
- Website and Forum about any pre 90's Holden.
- http://www.oldholdens.com

LS1 LS2 Australia Forum
- LS1 LS2 Powered Holden Commodores, SV8, HSV & Monaro Discussion forum
- http://ls1-australia.com/forum/index.php

My Holden
- Pictures and Information on Commdores, Statesman, Torana, Gemini and Kingswoods.
- http://www.myholden.com

Holden Special Vehicles Forums
- A forum for Holden enthusiasts including HSV.Contains news, information and technical advice.
- http://www.hsvforum.com.au

Calais Turbo
- Website and Forum with Articles ranging from turbo conversions to complete option/paint and accessory code lists.
- http://www.calaisturbo.com.au

HSV.org.uk
- Discussion board for HSV owners. Has links to other sites
- http://www.hsv.org.uk

Indopendence Holden
- An Indonesian Holden lovers site. Contains pictures and contact details.
- http://www.indoholden.com

Cavies Hi-Tech Wagon
- Details on modifications and up to date information on the owner's modified HQ Holden station wagon.
- http://hitechwagon.8m.com/

Old Holden
- An online resource for Holden owners and clubs. Contains a forum for trading components and information .
- http://oldholden.com

Holden New Zealand
- Official Holden site for New Zealand with prices, specs, and info on Commodore and other Holden vehicles. Interactive virtual showroom, news, dealer locator.
- http://www.holden.co.nz

Holden Heaven
- Coverage of Holden vehicles 1947 to the latest offerings. Photos, Technical Information, Feature Articles, and Specifications are Provided.
- http://holden.itgo.com