<Tr> <Th> 106 </Th> <Td> Windows on the World, Windows on the World Wine School, Bloomberg </Td> </Tr> <Tr> <Th> 105 </Th> <Td> Cantor Fitzgerald, eSpeed, Genuity </Td> </Tr> <Tr> <Th> 104 </Th> <Td> Cantor Fitzgerald, eSpeed, Channel 4 (WNBC), UmeVoice </Td> </Tr> <Tr> <Th> 103 </Th> <Td> Cantor Fitzgerald, eSpeed </Td> </Tr>

What kind of jobs were at the world trade center