Are you asking about the SQL or the perl? I think the SQL you are looking for would use 'OR' instead of 'AND':

$sql = <<END_SQL;

select 
   comp_name
from
   companies
where 
   company_id='10'
or
   company_id='15'
or
   company_id='20'

END_SQL
[download]

is that what you are looking for???

-Blake