Create a list of local businesses in N20 London postcode

Hi there :)

I need a list of 500 business in the N20 London postcode. 100 of each of the following business categories:

* General Insurance Broker
* Conveyancing Solicitor
* Tax Advisor
* Travel Agent
* Financial Services


EXAMPLE:
The headings in the spreadsheet should be as follows:

Title (Mr)
First Name (Paul)
Surname (Taylor)
Business Name (Insurance 4 You)
Full address (123 Batman Road, Whetstone, N20 5LG)

Many thanks

N.