Generic/Brandable:
Plural.xyz
Graphica.xyz
Integrated.xyz (IoT, IoE)
Geolocation related/Activity management (run, walk, geocaching):
myTracks.xyz
myRoutes.xyz
Systematization
(Google uses alphabet to organize its businesses. You can use a Grid or Graticule to manage data/information/etc...)
GridSystem.xyz
Graticule.xyz
Geographic related single words:
Topography.xyz
Cartography.xyz
Health related (Microbiota/Genetics/Clinical Analysis/Health Records):
(XYZ works as a management system/catalogation point of view)
Microbiota.xyz
Biome.xyz
Genoma.xyz
Genomica.xyz
Cytogenetics.xyz
Molecularcytogenetics.xyz
Molecularbiology.xyz
Biodata.xyz
New technologies development/Food industries:
Microalgae.xyz
Energy/Power/Batteries (Think Tesla PowerWall or Google SunRoof):
(I have great hopes in this industry)
HomeCell.xyz
myCell.xyz
PowerCell.xyz
PowerPack.xyz
PowerStore.xyz
PowerStorage.xyz
EnergyStore.xyz
EnergyPack.xyz
CellPack.xyz
SolarRoof.xyz
SolarHouse.xyz
Robotics/3D Printing:
BoxBot.xyz
Robox.xyz
Adult/Virtual Reality:
vrSex.space
vrGirl.space
.CO:
38k.co
wuq.co
.CITY (Urban Development/City Planning/Architecture)
Modular.city
Prefab.city
Rethink.city