These are the results of my logo research:

1: Belnet
2: Staybridge Suites
3: Ukraine International
4: Hilton Hotels
5: VoiceStream
6: National Geographic
7: Courtyard by Marriott
8: W Hotels
9: de Bijenkorf
10: NH Hoteles
11: Avis
12: Concorde Hotels
13: FD Wine Cellar
14: Aer Lingus
15: Westin Hotels
16: Martinair
17: KLM exel
18: Marriott Hotels
19: Quote
20: Air Europa
21: Clipper Stad Amsterdam
22: Diners Club
23: Starwood Hotels
24: Express by Holiday Inn
25: Continental Airlines
26: Radisson Edwardian Hotels
27: Transavia Airlines
28: KLM uk
29: St. Regis Hotels
30: Marriott Vacation Club
31: See Buy Fly
32: China Southern Airlines
33: Serena Hotels
34: Thalys
35: Latin Pass
36: The Luxury Collection
37: Crowne Plaza Hotels
38: Hilton Garden Inn
39: Europcar
40: Mastercard
41: Czech Airlines
42: Conrad Hotels
43: FDflowerservice
44: Renaissance Hotels
45: Jet Airways
46: Hertz
47: Air Alps
48: SpringHill Suites
49: Radisson SAS Hotels
50: Sheraton Hotels
51: Kenya Airways
52: Maersk Air
53: Traders Hotels
54: Van Wengerden
55: Homewood Suites
56: European Language Centre
57: Hampton Inn
58: Cyprus Airways
59: Meridiana
60: Holiday Inn Hotels
61: Inter-Continental Hotels
62: Embassy Suites & Hotels
63: Residence Inn by Marriott
64: Doubletree
65: NorthWest Airlines
66: Malev
67: Oman Air
68: KLM cityhopper
69: Scandic Hotels
70: Alaska Airlines
71: Hyatt
72: Golden Tulip Hotels
73: SNCF
74: Sixt
75: Malaysia Airlines
76: KLM Hotels
77: Four Points by Sheraton
78: Shangri -La Hotels
79: TownPlace Suites
80: Stroeve
81: Summit Hotels
82: Lithuanian Airlines

Good Luck!