All of these Businesses could be bulldozed!
Regus

 Longford Village

Padbury Oaks
 Weekly House

   Heathrow Medical Services
   Country Estate Management
   Sapivillp
 Stonebridge House
   Duadamood
   EFI
 Middlebridge House
   EFI
 Highbridge House
   Morson International
   Altus Edwin Hill
 Kingsbridge House
   D&M Audiovisual LTD
 Moorbridge House
   D&M Audiovisual LTD
   Costain
Heathrow Special Needs Centre
Private Car Park
Heathrow Airport Construction vehicle area
The Kings Arms Pub/Resturant
Heathrow Lodge Motel
Heathrow close Childrens Playground
The Timber Frame Company Limited (Grade 2 Listed Barn)
The White Horse Pub/Resturant
   Bed & Breakfast
Longford Village Postbox
Waterlife Aquatic Shop
Waterlife Reptile Shop
   Carwash
   Coffee Caravan
Littlebrook Nursery School
Littlebrook Day Carpark
Gentlemans Club
Margaret Cassidy House
Regus House
  ABC Ltd
  Accenture
  Agrexco Carmel
  ASG Logistics Ltd
  Baby on Board UK Ltd
  bagLOGIX
  BaxterStorey
  Beam Airport Services
  BiS Henderson
  Bolliger UK Ltd
  BYK Gardner UK
  Cielo
  Communicor
  Conquest Personal Care Ltd
  Digital Freight Ltd
  DivalentineCalver Recruitment Ltd
  First Point Freight Ltd
  Gerry's International (UK) Ltd
  Graphite Marketing
  IFE Global Logistics (UK) Ltd
  Implement Plus
  INASUS UK Ltd
  Integrated Deicing Services Ltd
  LCC UK
  Links Recruitment Ltd
  Link Shipping UK Ltd
  London Travel IN Ltd
  Mace Ltd (Infrastructure)
  Mainline Chauffeurs Ltd
  Megahertz Ltd
  Premier Global Logistics Ltd
  Robert Perry Associates Ltd
  SEEBURGER UK Ltd
  Shopacheck
  Siemens (SPPAL)
  SkyAngels International Rescue
  ThyssenKrupp Airport Services
  Trad Scaffolding Company Ltd
  Travel Affairs Ltd
  Trinity Logistics Europe Ltd
Global House
  Grd Flr Heathrow FSC + MSC
  1st Floor 24HSC + BP
  Carlson Wagonlit Travel
Spring Heath Leisure Club
Thistle Hotel, Conference Center
  Fly & Park
Premier Inn
Costa Coffee - Longford Village
McDonalds 24hr Restaurant
Shell Garage, Carwash
Deli-2-Go Longford Village Shop
Parks in Longford Village
- Longford Bridge 1834
- Heathrow Close Childrens Playground
- Peggy Bedford – Heathrow Bio diverstiy Site
- Colne Valley – Heathrow Bio diverstiy Site

 Harmondsworth

London Hong-Kong Resturant
The Summit Centre
   Presstek Europe LTD
   Medequip
   Turbo Power Systems
   Simpson Group
Burger Caravan
SkyPort Drive – Owned by Industrial Property Investment Fund
   Edmundson Electrical LTD
   C.E.Corporate Logistics LTD
   Athlete King
   Connaught Air Services LTD
   City Sprint
Harmondsworth Farm
Harmondsworth Public Utilities
Harmondsworth Hall B&B
Harvard House
Harmondsworth Primary School (100 kids, teachers, assistants?)
Saxon Way Trading Estate
   B&H Worldwide LTD
   Norbert Dentressangle
   Electronic Handling LTD
   Key Mail
   LHR Global Logistics
   CBRE
British Airways Head Office, Harmondsworth
   Waitrose
   Dentist…
Harmondsworth Detention Center (Biggest in Europe!?)
Immigration Removal Centres
BT Motor Garages
Computer Center
Sheraton Heathrow Hotel
Dollar Thrifty Car Rental
Airport Gate
   Airport Industrial Property Unit Trust
   Alpha Heathrow
   Alpha LSG Sky Chefs
   Media on the Move
   Menzies
   Senator International Freight Forwarding Limited
   Vortex
Heathrow One
   Birchman
   NDS
Heathrow Two
   Austrian Airlines
   Brussels Airlines
   Lufthansa Swiss
   Lufthansa Cargo
   LSG Sky Chefs
Heathrow Three
   Acer
   Aviserv
   Morpho Detection
   Orbit Southern
   Tyco
Heathrow Four
   UM Labs
   Beumer Crisplant
   Vohkus
Heathrow Five
   BALPA
Polar Park
   Heathrow Police Station
   Segro
   Circle Express
   DSV
   Landmark
   Pacer
   Ecom Global Distribution
   Ocean World Lines
   Morrison Express
   The Sandford Group
   Global Motion
Arura Hotel
Smiths Bar & Resturant
Compass Center
Kaniz Fine Indian Cuisine
Heathrow Highway Food and Wines
BJs Sandwich Bar
Heathrow Traditional Fish and Chips
Parks in Harmondsworth Village
- Harmondsworth Recreation Ground
- Moor Lane Allotment Site

 Colnbrook

Colnbrook Logistics Centre
Wilon James RGSC
London Concrete
Aggregate Industries - Express Asphalt
Railway Siding
Recycling Center, Colnbrook
   Grundon Waste Management
   Lakeside Energy From Waste LTD
   Heathrow Truck Center
   BK Bruton Knowles
   SC Freight
   Technical Solutions & Logistics LTD
Lakeside Education Centre
Lakeside Industrial Estate
   GIST Limited
   Global Transport Services LTD
   Imperial Polythene Products LTD
   Freightnet Handling Services LTD
   Seabridge Freight Services LTD
John Lewis
Bernard Powering Global Logistics
DX (Delivered Exactly)
Paccar Financial
Foden
VOSA Authorised Testing Facility
Adblue
Paccar Parts
DAF
Heathrow DAF
HTC Heathrow
DHL
DHL Heathrow Flight Assembly Centre
DHL Airline Business Solutions
Thames Water Iver South SDC
BP Garage
BP 24hr Wild Bean Cafe Shop
Fantric Blue
Horse Fields Farm
Jet Fuel Pumping Station
Saints Transport


All the above Business Offices could be demolished if the 3rd runway goes ahead.

Ive not mentioned the 10's of thousands of other people who are going to loose their jobs eg. the local Milkman, postman, suppliers of food to the local pubs/resturants/hotels, the gardners, window-cleaners, maintenance men who fix the street lights or paint the road signs, council workers, security guards, couriers, plumbers...