Without getting into nit-picks about ISP/IAP differences, thank you very much, here are some local (Waikato and NewZealand) ISPs. (Please don't add subjective comments - that's what IspFlames is for.) You may want to look at
a nice map of NZ ISP connectivity.
Data Solutions
Supra Limited
Wave Internet (probably Hamilton's second ISP, now part of IHUG)
Wiz Wireless - Provide Wireless services in the Wairarapa
http://www.ezysurf.co.nz/wireless.php (current as of 9 Jul 2005) or
http://www.iconz.co.nz/bus_wiredcountry.php for business connections.
Satlan - Starts at $ 60.00/month
http://jetstream.xtra.co.nz/chm/0,,203313-202321,00.htmlOne page links to NewZealandProviders: