- Wb-24t "Sunfrenzy 2" Kusari Photon Turret
- Wc-26 "Sunfrenzy 3" Kusari Photon Blaster
- Weapon Codename: AHRIMAN
- Weapon Codename: ARCHANGEL
- Weapon Codename: ASURAS
- Weapon Codename: BEOWULF
- Weapon Codename: BLOODSTONE
- Weapon Codename: BLUE BLAZE
- Weapon Codename: CERBERUS
- Weapon Codename: CLAYMORE
- Weapon Codename: DARK BLOSSOM
- Weapon Codename: DEFILER
- Weapon Codename: DELUSION
- Weapon Codename: DIAMONDBACK
- Weapon Codename: DULZIAN
- Weapon Codename: ENTROPY
- Weapon Codename: ENVY
- Weapon Codename: EXCALIBUR
- Weapon Codename: FROSTBITE
- Weapon Codename: GARNET
- Weapon Codename: GEKOKUJOU
- Weapon Codename: GIGABLASTER
- Weapon Codename: GOLDEN BLADE
- Weapon Codename: GUARDIAN
- Weapon Codename: HAMMERFALL
- Weapon Codename: HEIMDALL
- Weapon Codename: HELLION
- Weapon Codename: IRON HAMMER
- Weapon Codename: JADE
- Weapon Codename: KINTANO
- Weapon Codename: LAMIA
- Weapon Codename: LARIAT
- Weapon Codename: LAZURITE
- Weapon Codename: MALACHITE
- Weapon Codename: MEDUSA
- Weapon Codename: MOONLIGHT
- Weapon Codename: ONYX
- Weapon Codename: PHOENIX
- Weapon Codename: PROMETHEUS
- Weapon Codename: QUASAR
- Weapon Codename: RAGNAROK
- Weapon Codename: ROSETHORN
- Weapon Codename: SILVER FIRE
- Weapon Codename: SOLARIS
- Weapon Codename: STORMBREAKER
- Weapon Codename: SUPERSONIC
- Weapon Codename: TANZANITE
- Weapon Codename: TARANIS
- Weapon Codename: THOR'S HAMMER
- Weapon Codename: THUNDERWAVE
- Weapon Codename: TWILIGHT
- Weapon Codename: WILD FIRE
- West Point Military Academy
- Whale
- Whiskey
- White Cargo Pod
- Wichter Station
- Wight
- Wild
- Wildau Station
- Willard Research Station
- Wine
- Wolfhound
- Wolfsburg Shipyard
- Wrecker
- Wuppertal Refinery
- Wyrm
- Wyvern
- X45 "Firestalker" Homing Missile Launcher
- X4TS "Tiger Shark" Rheinland Civilian Light Fighter
- XA-1 "Rebel" Xeno Very Heavy Fighter
- XA-2 "Aggressor" Xeno Bomber
- XAF-337M "Rebel" Xeno Very Heavy Fighter
- XAF-339R "Aggressor" Xeno Bomber
- XAF-4 "Boomslang" Xeno Gunboat Turret
- XJ-1 "Caracal" Gallic Light Fighter
- XJ-2 "Serval" Gallic Heavy Fighter
- XJ-3 "Lynx" Gallic Very Heavy Fighter
- XKR-151-A "Partisan" Coalition Light Fighter
- XKR-151-B "Insurgent" Coalition Very Heavy Fighter
- XKR-151-C "Revolution" Coalition Bomber
- XKR-151-D "Saboteur" Coalition Heavy Fighter
- XKR-EV-ONE "Typhoon" Mark-VI Coalition Destroyer
- XKR-EV-THREE "Hurricane" Mark-II Coalition Battlecruiser
- XKR-EV-TWO "Tempest" Mark-I Coalition Carrier
- XKR-EV-ZERO "Storm" Mark-X Coalition Gunboat
- XV-330 Engine Mk I
- XV-440 Engine Mk I
- XV-580-I Engine Mk I
- XV-580 Engine Mk I
- XV-640 Engine Mk I
- XV-690 Engine Mk I
- XV-690 Engine Mk II
- Xeno "Adv. Scorpion" Particle Cannon
- Xeno "Adv. Tarantula" Particle Cannon
- Xeno "Advanced Scorpion" Particle Cannon
- Xeno "Advanced Tarantula" Particle Cannon
- Xeno "Scorpion" Particle Cannon
- Xeno "Scorpion" Particle Turret
- Xeno "Tarantula" Particle Cannon
- Xeno "Tarantula" Particle Turret
- Xenobiotic Filters
- Xenos
- Y4-RR "Bleeder" Transport Turret
- YBF-1g "Sunspot" Kusari Battleship Flak Turret
- YBT-12c "Prominence" Kusari Battleship Turret
- YBT-18d "Solar Wind" Kusari Light Battleship Turret
- YBT-66v "Sunstorm" Kusari Battleship Turret
- YCT-2c "Sunflare" Kusari Cruiser Turret
- YDT-3a "Starflare" Kusari Destroyer Turret
- YELLOWJACKET
- YGH-8a "Sunray" Kusari Gunboat Forward Gun
- YGT-3c "Radiance" Kusari Gunboat Defense Turret
- YX-620-I Engine Mk I
- YX-620 Engine Mk I
- Yaren Base
- Yari
- Yellow Cargo Pod
- Yokohama Shipyard
- Yubitsume
- Yukawa Shipyard
- Z-1405 "Jackal" Pirate Light Fighter
- Z-3005 "Wolfhound" Pirate Super Heavy Fighter
- Z-4800 "Greyhound" Pirate Heavy Fighter
- Z-5500 "Bloodhound" Pirate Very Heavy Fighter
- Z-8500 "Bullmastiff" Pirate Transport
- Z-8550 "Pitbull" Pirate Train
- Z-9000 "Barghest" Liberty Rogue/Molly Bomber
- ZBT-1002 "Whale" Zoner Deep Space Transport
- ZG-280 Engine Mk I
- ZGOZ-14.t "Sapper No.1" Coalition Pulse Turret
- ZGOZ-14L "Discharger No.1" Coalition Pulse Cannon
- ZGOZ-14 "Sapper No.1" Coalition Pulse Cannon
- ZGOZ-14bL "Discharger No.2" Coalition Pulse Cannon
- ZGOZ-14b "Sapper No.2" Coalition Pulse Cannon
- ZGOZ-17.t "Retaliator No.1" Coalition Tachyon Turret
- ZGOZ-17L "Pursuer No.1" Coalition Tachyon Cannon
- ZGOZ-17 "Retaliator No.1" Coalition Tachyon Cannon
- ZGOZ-17b.t "Retaliator No.2" Coalition Tachyon Turret
- ZGOZ-17bL "Pursuer No.2" Coalition Tachyon Cannon
- ZGOZ-17b "Retaliator No.2" Coalition Tachyon Cannon
- ZGOZ-AM1 "Equalizer" Coalition Antimatter Cannon
- ZN-140 Engine Mk I
- ZT-170 Engine Mk I
- ZT-170 Engine Mk II
- ZT-1 Zoner Battleship Turret
- ZT-2 Zoner Battleship Secondary Turret
- ZT-5 Zoner Cruiser Turret
- ZT-9 Zoner Gunboat Turret
- ZT37-2 "Helios 2" Zoner Photon Blaster
- ZT37t-2 "Helios 2" Zoner Photon Turret
- ZT43-2 "Fury 2" Zoner Photon Blaster
- ZT43-3 "Fury 3" Zoner Photon Blaster
- ZT43-4 "Fury 4" Zoner Photon Blaster
- ZT43-5 "Fury 5" Zoner Neutron Blaster
- ZT43 "Fury" Zoner Photon Blaster
- ZT43t-3 "Fury 3" Zoner Photon Turret
- ZT43t-4 "Fury 4" Zoner Photon Turret
- ZT43t-5 "Fury 5" Zoner Neutron Turret
- Z -1138 "Mule" Pirate Freighter
- Zephyr
- Zeuss FR-590 "Humpback" Rheinland Civilian Freighter
- Zeuss FR-850 "Ragnar" Rheinland Civilian Armored Transport
- Zhejiang Orbital
- Zinc
- Zoner "Fearless" Q-ship
- Zoner Carrier
- Zoner Colony Ship
- Zoner Gunboat
- Zoner Q-ship
- Zoner Transport
- Zoners
- Zurich
- Zvyozdny Gorodok