foreach my $row (@data) {
  push @{$hash{$row->[0]}}, {
                  companyid =>  $row->[1],
                  apptype   =>  $row->[2],
                  state   =>  $row->[3],
                  count   =>  $row->[4],
                };
}

##</code><code>##

%hash = (
          'One' => [
                          {
                            'apptype' => 'xxx',
                            'count' => '123',
                            'companyid' => 'xxx',
                            'state' => 'xx'
                          },
                          {
                            'apptype' => 'xxx',
                            'count' => '123',
                            'companyid' => 'xxx',
                            'state' => 'xx'
                          },
                          {
                            'apptype' => 'xxx',
                            'count' => '123',
                            'companyid' => 'xxx',
                            'state' => 'xx'
                          }
                        ],
          'Two' => [
                      {
                        'apptype' => 'xxx',
                        'count' => '123',
                        'companyid' => 'xxx',
                        'state' => 'xx'
                      },
                    ]
        );

##</code><code>##

foreach my $rep (sort keys %hash) {
  $template->param(
            REP =>  {
                  rep   => $rep,
                  DATA  => $hash{$rep}
                },
          );
}

##</code><code>##

<workbook>
  <loop name="REP">
    <worksheet name="$rep">
      <row>
        <cell text="QM Distribution" />
      </row>
      <row>
      </row>
      <row>
        <cell text="Comp_Recid" />
        <cell text="ApplicationType" />
        <cell text="State" />
        <cell text="Count (*)" />
      </row>
      <loop name="DATA">
        <row>
          <cell text="$companyid" />
          <cell text="$apptype" />
          <cell text="$state" />
          <cell text="$count" />
        </row>
      </loop>
    </worksheet>
  </loop>
</workbook>