$sic = 1711;
$hash{$sic}{BUS} = 'Plumbing';   # A keyword in a business name
$hash{$sic}{CAT} = 'Plumbing';   # Category

$str[1] = 'Elite Plumbing';

foreach $sic (keys %hash){
  # if the word in $hash{$sic}{BUS} is found in $str[1],
  # I want to know.

  # if ($hash{$sic}{BUS} =~ /$str[1]/) # This wont work.
  if (grep { $hash{$sic}{BUS} == $_ } $str[1]  ){ # Nope 
     #  $str[38] = $hash{$sic}{CAT};
     #  $str[39] = $hash{$sic}{BUS};
     print "Found one.  Bus name is $str[1] and cat is " . $hash{$sic}{CAT} . " and sic is " . $str[39] ."\n";
  }
}