A large number of countries also contributed to the Allied air effort and these are detailed here. Countries who only contributed to the ground and/or naval forces are not included.

Canada

Aircraft involved in 'Operation Friction':

Based at Doha, Qatar
CF-18 Hornet - Fighter (Air Defence/Naval Support)
CC-137 - Tanker (AAR)

Based at sea (HMCS Athabascan and HMCS Protecteur)
CH-124 Sea King - Helicopter (Naval Support)

France

Aircraft involved in 'Operation Daguet':

Based at Riyadh
DC-8F - Specialised (Electronic Intelligence)
C-160 Transall - Transport (Air Transport)
C-130H-30 Hercules - Transport (Air Transport)
Nord 262 - Transport (VIP Transport)
Mystere XX - Transport (VIP Transport)
C-135FR - Tanker (AAR)

Based at forward operating bases:
Gazelle - Helicopter (Anti-armour)
Puma - Helicopter (Battlefield Support)
Based at Al Ahsa, Saudi Arabia:
Mirage 2001 - Fighter (Air Defence)
Jaguar A - Fighter/Attack (Tactical Attack)
Mirage F1 - Fighter/Attack (Reconnaissance/Tactical Attack)
C-160 Gabriel - Specialized (Electronic Intelligence)
Puma -Helicopter (Support Helicopter)
Based at Doha, Qatar:
Mirage F1 - Fighter (AIr Defence)

Free Kuwait

Based at Dhahran:
A-4 Skyhawk - Fighter/Attack (Daylight Attack)
Mirage F1 - Fighter (Air Defence)
Gazelle - Helicopter (Anti-Armour)
Based at forward operating locations:
Puma - Helicopter (Battlefield Support)
Cougar - Helicopter (Battlefield Support)

Italy

Aircraft involved in Operation 'Locusta':

Based at Al Dhafra, Abu Dhabi:
Tornado IDS - Multi-role fighter (Anti-Airfield)

Saudia Arabia

Based at Dhahran:
Tornado IDS - Multi-role fighter (Interdiction)
F-15 Eagle - Fighter (Air Defence)
Hawk - Trainer/Attack (Light Attack)
Tornado ADV - Fighter (Air Defence)
Based at Jeddah
C-130/KC-130 Hercules - Transport/Tanker (Air Transport/AAR)

Based at Khamis Mushait:
F-5 Tiger II - Fighter/Attack (Light Attack)
Based at Riyadh
C-130/KC-130 Hercules - Transport/Tanker (Air Transport/AAR)
E-3 - Specialised (AEW)

Based at Tabuk:
F-5 Tiger II - Fighter/Attack (Light Attack)
RF-5 Tigereye - Fighter/Reconnaissance (Reconnaissance)
Based at Taif
F-5 Tiger II - Fighter/Attack (Light Attack)
F-15 Eagle - Fighter (Air Defence)

Other Countries

BAHRAIN
F-5 Tiger II - Fighter/Attack (Light Attack)
F-16 Fighting Falcon - Fighter (Air Defence/ Attack)

QATAR
Mirage F1 - Fighter (Air Defence)

UNITED ARAB EMIRATES
Mirage 2001 - Fighter (Air Defence)

AUSTRALIA
C-130 Hercules - Transport (Air Transport)

NEW ZEALAND
C-130 Hercules - Transport (Air Transport)

SOUTH KOREA
C-130 Hercules - Transport (Air Transport)

ARGENTINA
F-28 Fellowship - Transport (Air Transport)