Launch service provider

A Launch service provider (LSP) is a type of company which specialises in launching spacecraft. It is responsible for the ordering, conversion, or construction of the carrier rocket, assembly and stacking, payload integration, and ultimately conducting the launch itself. Some of these tasks may be delegated or sub-contracted to other companies. For example, the United Launch Alliance subcontracts the production of GEM solid rocket motors for its Atlas V, Delta II and Delta IV rockets to Alliant Techsystems. An LSP does not necessarily build all the rockets it launches.

In some cases, an LSP is not required to launch a rocket. Government organizations such as the military and defense forces may conduct the launch themselves.

List of active launch service providers

Orbital launch systems
See also: Comparison of orbital launch systems
Current	Angara A5 Antares 230 Ariane 5 Atlas V Delta II IV Electron Epsilon Falcon 9 v1.2 "Full Thrust" GSLV Mk II Mk III H-IIA H-IIB Kuaizhou Long March 2C 2D 2F 3A 3B 3C 4B 4C 5 6 7 11 Minotaur I IV V C Pegasus Proton-M PSLV Rokot Safir Shavit Simorgh Soyuz-FG Soyuz-2 2.1a / STA 2.1b / STB 2-1v SPARK SS-520 Strela Unha Vega Zenit 3SL 3SLB 3F
In development	Angara 1.2 A5P Antares 300 Ariane 6 Cyclone-4M Eris Falcon 9 Block 5 Falcon Heavy H3 ITS KZ-11 KZ-21 Long March 8 9 LauncherOne Mayak Naga-L Naro-2 New Glenn Oril Proton Light Medium RPS SLS Soyuz-5 Sunkar Tronador II ULV Vector-R VLM VLS Alfa VLS Beta Vulcan
Retired	Antares 110/120/130 Ariane 1 2 3 4 ASLV Athena I II Atlas B D E/F G H I II III LV-3B SLV-3 Able Agena Centaur Black Arrow Conestoga Delta A B C D E G J L M N 0100 1000 2000 3000 4000 5000 III Diamant Dnepr Energia Europa Falcon 1 Falcon 9 v1.0 v1.1 Feng Bao 1 GSLV Mk I H-I H-II Juno I Juno II Kaituozhe-1 Kosmos 1 2I 3 3M Lambda 4S Long March 1 2A 2E 3 4A Mu 4S 3C 3H 3S 3SII V N1 N-I N-II Naro-1 Paektusan Pilot Proton UR-500 K R-7 Luna Molniya M L Polyot Soyuz original L M U U2 Soyuz/Vostok Sputnik Voskhod Vostok L K 2 2M R-29 Shtil' Volna Saturn I IB V INT-21 Scout SLV Space Shuttle Sparta Start-1 Thor Able Ablestar Agena Burner Delta DSV-2U Thorad-Agena Titan II GLV IIIA IIIB IIIC IIID IIIE 34D 23G CT-3 IV Tsyklon 2 3 4 Vanguard VLS-1 Zenit 2 2M

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