| Contributor | Role |
| Chestnut Tree
House Children’s Hospice | Piazza Italia Rally nominated charity |
| Strada | Main Event Sponsor, Piazza Italia Cards |
| La
Source | Sponsor, Bandstand entertainments |
| Prestige Sports
Events | Sponsor, Scalextric Italian Car Challenge |
| 102 .7 Mercury fm | Media partner, breakfast time competition ‘The Italian Job’
6-11th April incl. |
| The Resident | Programme production and distribution |
| AGP Grafico | Piazza Italia Rally Car Stickers |
| Romeo Owners Club Kent &
East Sussex | Piazza Italia Rally participants |
| Auto Italia Magazine | Media partner, competition prizes |
| Billingshurst
Community Partnership | Piazza Italia Rally local organiser, Good Friday |
| Bridgestone UK | F1 Ferrari and Safer Driving Display |
| Burdfield’s Country Market,
Billingshurst | Hosting Piazza Italia driver refreshments, Good Friday |
| De Tomaso Drivers Club | Piazza Italia Rally organiser, Saturday |
| Direct Films | Event videos |
| Dorking Town Management | Piazza Italia Rally start point, Good Friday and La Dolce Dorking
Festival 4-11 April
|
| Dot Net Webs | Piazza Italia website |
| Ducati Owners Club GB | Piazza Italia Rally Italian Motorcycles organiser , Good Friday |
| Ducati UK | Roadshow display and demos |
| Fiat 500
Enthusiasts Club GB | Piazza Italia Rally participants |
| Foundry Press | Printing of Piazza Italia Cards |
| Hepworth’s Brewery | Official festival beer producer
|
| Horsham Churches
Together | Easter celebration and support |
| Horsham District Council | Overall Event Organiser |
| Horsham Museum and
Visitor Information Centre | Roman Centurion Trail and display |
| Italia in Piazza | Authentic Italian produce market |
| Maranello
Ferrari | Ferrari Merchandise shop, Friday |
| Motori Di Marino – The
Italian Motorcycle Specialists, West Chiltington | Piazza Italia Rally Italian Motorcycle start point, Good Friday |
| New Street Cars, Horsham | Charity Car Raffle, Swan Walk |
| No 19 Coffee Shop, Southwater | Hosting Piazza Italia driver refreshments, Saturday |
| Non
Stop Party Shop | Festival balloons |
| Panino
Horsham | Piazza Italia Rally breakfast, West Chiltington, Good Friday |
| Pulborough
Community Partnership | Piazza Italia Rally local organiser, Good Friday |
| Pure Brand Media | Audio and Video PR and marketing |
| Rotary
Club of Horsham | Presenting Kidz Stuff 2009 |
| RSA/More Than | Parkside security and permissions |
| Rusper Alfa Romeo | Piazza Italia Rally organiser and start point, Good Saturday |
| Saywell International | Piazza Italia Rally participants |
| Specsavers | Suppliers of 'Michael Caine' frames for use in Piries Place
Italian Job celebration |
| Southwater
Parish Council | Piazza Italia Rally local organiser, Saturday |
| Sussex
and Surrey Ferrari Owners Clubs | Piazza Italia Rally organisers, Good Friday |
| The
Tea Rooms, Pulborough | Piazza Italia Rally organiser and start point, Good Saturday |
| Vines Gatwick Mini | The Italian Job Mini display, Piries Place |
| West Sussex County Council | Use of Parkside (County Hall North) |