Fabricante: Advantys (www.aspsmart.com)
Exemplo de implementação:
Formulário (upload.html)
<html>
<body bgcolor="#FFFFFF">
<form method="POST" enctype="multipart/form-data" action="upload.asp">
<input type="FILE" size="40" name="FILE1"><br>
<input type="FILE" size="40" name="FILE2"><br>
<input type="FILE" size="40" name="FILE3"><br>
<input type=submit value="Upload!">
</form>
</body>
</html>