A list of aircraft operators that have that have suffered an accident, serious incident or hijacking. The list may also contain defunct airlines or airlines that in the meantime have changed their name or have merged.

Airlines:
Ababeel Aviation
Air West Express (renamed Air West, Co (about 2000))
Air West, Co (formerly named Air West Express)
al-Majal Company (Named "Almajal Aviation Service" on EU list)
Alfa Airlines
Almajara Aviation
Alok Air
ATTICO Airlines (also known as "Trans ATTICO")
AZZA Transport
Badr Airlines (formerly Sarit Airlines)
Bashmia Aero Spray
Bentiu Air Transport
Blue Bird Aviation (Sudan)
Dove Airlines
El Dinder Aviation
El Magal Aviation
Farnas Aviation Services
Federal Airlines
Forty Eight Aviation
Golden Star Air Cargo (ceased operations about 1999)
Green Flag Aviation
Helejetic Air
Juba Air Cargo
Kata Air Transport
Kush Aviation
Marsland Aviation (named "Marsland Company" on EU list)
Mid Airlines
Nova Airways
Sarit Airlines (renamed Badr Airlines, ca 2005)
Sudan Airtaxi
Sudan Airways
Sudanese States Aviation Company
Sudania Air Cargo (ceased operations about 1990)
Sun Air Company
Tarco Air (now named Tarco Aviation)
Tarco Aviation (was named Tarco Air)
Trans Arabian Air Transport - TAAT
United Arabian Airlines

Military:
Al Quwwat al-Jawwiya As-Sudaniya (Sudanese Air Force

Organisations (non-profit):
National Agriculture Organisation