- Home Builders Federation
- Horn
- James
- Jayatillake
- Kelvedon PC
- L and Q Estates
- L and Q New Homes, Cirrus Land and Gateway 120
- Large
- Marchant
- Marsden
- Martin H
- Murphy
- Natural England
- O'Connell
- Pailthorpe
- Parker Strategic Land
- Persimmon Homes Essex
- Pertwee
- Pigeon Land Ltd
- Plumb
- Rivenhall PC
- Sandum
- Schoeser
- Scott
- Scott Properties Ltd
- Vistry Group
- Walter
- Williams Group
- Womack