australian band associations:

community bands:

National Band Council of Australia
http://www.nbca.asn.au

Boroondara Symphonic Band
http://www.boroondarasymphonicband.org.au

Band Association of NSW
http://bandnsw.com

Footscray-Yarraville City Band
http://www.fycb.com.au

Queensland Band Association
https://qba.org.au

Oakleigh Brass
http://oakleighband.org.au

South Australian
Band Association

http://www.sabandassociation.org

Casey Concert Band
http://www.caseyconcertband.org

Tasmanian Bands League
http://www.tbl.org.au

Southern Area Concert Band Inc.
http://sacb.com.au/index.shtml

Victorian Bands' League
http://www.vbl.org.au

Stonnington City Brass
http://www.stonningtoncitybrass.org.au/SCBJoomla/

West Australian
Band Association

http://waba.asn.au

Geelong Concert Band
https://geelongconcertband.wordpress.com

community music:

education:

Music Australia
http://musicaustralia.org.au

Music. Count Us In
http://musicaustralia.org.au/program/countusin/

Community Music Victoria
https://cmvic.org.au

Australian Society for Music Education
http://www.asme.edu.au/

Dandenong Ranges Music Council
http://www.drmc.org.au/

International Society
for Music Education

https://www.isme.org

australian orchestras:

Adelaide Symphony Orchestra
https://www.aso.com.au

Orchestra Victoria
...music/orchestra-victoria

Australian Chamber Orchestra
https://www.aco.com.au

Queensland Symphony Orchestra
https://www.qso.com.au

Canberra Symphony Orchestra
https://cso.org.au

Sydney Symphony Orchestra
https://www.sydneysymphony.com

Darwin Symphony Orchestra
https://dso.org.au

Tasmanian Symphony Orchestra
https://www.tso.com.au

Melbourne Symphony Orchestra
https://www.mso.com.au

West Australian Symphony Orchestra
https://www.waso.com.au

Opera Australia Orchestra
https://opera.org.au/aboutus/our_orchestra