<Tr> <Td> Dyson </Td> <Td> </Td> <Td> </Td> <Td> 3,100 </Td> <Td> </Td> </Tr> <Tr> <Td> Biffa </Td> <Td> </Td> <Td> </Td> <Td> 6,250 </Td> <Td> </Td> </Tr> <Tr> <Td> Arqiva </Td> <Td> </Td> <Td> </Td> <Td> 1,980 </Td> <Td> </Td> </Tr> <Tr> <Td> Northgate Information Solutions </Td> <Td> </Td> <Td> </Td> <Td> 10,643 </Td> <Td> </Td> </Tr>

Sunday times top track of the 100 biggest privately owned uk companies