  This study was conducted with the main aim to investigate the relationships
between demographic characteristics of companies and the facilities required
for their commercial websites. The research samples are the top 100 Iranian
companies as ranked by the Iranian Industrial Management Institute; the method
applied is datamining, using Association Rules throught the Apriori algorithms.
To collect the data, an aithor-modified check list has been utilized, coverig
the three areas of faclities within commercial websites, i.e. fundamental,
information-providing, and service-delivering facilities. having extracted the
association rules between the mentioned two sets of variables, 68 rules with a
confidence rate of 90% and above were obtained, and based on their significance
were classified into two groups of must-have and should-have requirements; a
recommended package of facilities is hitherto offered to other companies which
intend to enter e-commerce through their commerical websites with regards to
each company's unique demographic characteristics.
