http://www.panozlife.com/forums/showpost.php?p=536&postcount=27Updated list:
LMP
1 - Patron Highcroft Racing - HPD ARX-01c - Brabham/Pagenaud/Franchitti
6 - Team Cytosport - Porsche RS Spyder - Pickett/Graf
7 - Peugeot Sport Total - Peugeot 908 HDI FAP (Sebring/Petit)
8 - Peugeot Sport Total - Peugeot 908 HDI FAP (Sebring/Petit)
12 - Autocon Motorsports - Lola B06/10 AER/Judd - Willman/Burgess/Ehret
16 - Dyson Racing Lola - B09/86 Mazda - Dyson/Smith
37 - Intersport Racing - Lola B06/10 AER - Field/Field
88 - Drayson Racing - Lola B09/60 Judd - Drayson/Cocker/Bell
007 Aston Martin Racing - Lola Aston Martin DBR1/2 - Fernandez/Boncombe (Sebring/Long Beach)
XX - Audi Sport Team Joest - Audi R15 TDI (Petit)
XX - Audi Sport Team Joest - Audi R15 TDI (Petit)
LMPC
11 - Primetime Race Group - Oreca-Courage FLM09 - Feinberg/Marcelli
36 - Genoa Racing - Oreca-Courage FLM09 - Connor/TBA
55 - Level 5 Motorsports - Oreca-Courage FLM09 - Bouchut/Tucker
89 - Intersport Racing - Oreca-Courage FLM09 - Pagerey/Wong
99 - Green Earth Team Gunnar - Jeanette/Zugel/Julian
XX - PR1/Mathiasen Motorsports - Oreca-Courage FLM09 - TBA/TBA/Bomarito
GT
3 - Corvette Racing Corvette C6.R - Magnussen/O'Connell/Garcia
4 - Corvette Racing Corvette C6.R - Beretta/Gavin/Collard
17 - Team Falken Racing Porsche 911 GT3 RSR - Sellers/Henzler
33 - Rocketsports Racing Jaguar XKR - Gentilozzi/Goossens/Pruett
40 - Robertson Racing Ford GT MK8 - Robertson/Robertson/Murray
44 - Flying Lizard Motorsports Porsches GT3 RSR - Nieman/Law
45 - Flying Lizard Motorsports Porsche 911 GT3 RSR - Bergmeister/Long
54 - Black Swan Racing - Porsche 911 GT3 RSR - Pappas/Bleekemolen/TBA
62 - Risi Competizione - Ferrari 430 GT - Melo/Bruni
90 - Rahal Letterman Racing BMW M3 GT2 - Auberlen/Hand
92 - Rahal Letterman Racing BMW M3 GT2 - Milner/Mueller
01 - Extreme Speed Racing Ferrari 430 GT - Sharp/van Overbeek/Farnbacher
02 - Extreme Speed Racing Ferrari 430 GT - Brown/Cosmo
GTC
23 - Alex Job Racing - Porsche 911 GT3 Cup - Sweedler/Kapudija
32 - GMG Racing - Porsche 911 GT3 Cup - Sofronas/Curtis
69 - P7 Racing - Porsche 911 GT3 Cup - Bieker/Rodriquez
81 - Alex Job Racing - Porsche 911 GT3 Cup - Leitzinger/Gonzalez
92 - Kelly-Moss Motorsports - Porsche 911 GT3 Cup - Carlisle/TBA
XX - Velox Racing - Porsche 911 GT3 Cup - Lewis/Vento
Maybes/Rumored
18 - Vici Racing Porsche - 911 GT3 RSR (Big T-Mobile sponsorship is supposed to begin in 2010, but still no announcement of a 2010 propgram)
20 - Dyson Racing - Lola B09/86 Mazda (Looking for funding)
48 - Corsa Motorsports - Zytek GZ09S - Johansson/Mowlem (Looking for funding)
61 - Risi Competizione/Krohn Racing Ferrari 430 GT
XX - Oreca Matmut - Peugeot 908 HDI FAP (Sebring/Petit)
XX - Creation Autosportif - Creation CA07 (If funding allows)
XX - Eco Racing - Radical Nissan (Probably a full season announced, followed by 1 embarrassing race entry)
XX - A 2nd Patron Highcroft Acura (If funding allows)
XX - A 2nd RSR Jaguar (has been mentioned in several places)
XX - AF Corse - Ferrari 430 GT - Alesi/TBA/TBA (Sebring)
XX - O'Connell Racing - LMPC Entry - Konstant/TBA
XX - Comprent Motorsports - LMPC Entry
XX - Autometrics Porsche 911 GT3 Cup (GTC)
XX - Other Intercontinental Cup Entrants???