Citi Blinds & Shutters deals with all Australian and international suppliers in fabrics. If the fabric is not on their list they will seek it out as they endeavour to satisfy all customers.
Fabric suppliers and to name some of their best sellers:

Bricos (hit the link and enter their website)  link
Sienna, Noosa, Kiribati, Screen Optic, Decosuede

Helioscreen (link)
Sunpro Block, Sityscreen 2, Top Screen, Duo Screen.

Mermet (link)
E screen, M Screen, Flocke

Shaw (link)
Urban Shade, Sheerweave 2000, Palm Beach, Matilda, Premium, Illuminate

Wilsons (link)
Kakadu, Mercury, New Bermuda, Comet, Polar

Svensson Markspelle
Mood, Ombra and Optic- world leader in environmental friendly polyester/aluminium commercial fabric, and can also be used in a residential application on a dual bracket system.

Other suppliers they deal with are: Textyles, Imex, Louvolite, Uniline, Hunter Douglas and Sunlight.