Personal preferences, not necessarily the albums everyone would say are the most influential or whatever in each genre but certainly my favourites from some of the most influential artists (Although even then, maybe its more a list of the artists whos albums you should check out), in no particular order.
??? - denotes when I couldn't choose one or even two albums or I can't remember the name
Aphex - Drukqs (Ambient works???)
Squarepusher - Go plastic (or Music is one rotten note)
Trentemoller - Last Resort
Massive attack - Mezzanine
Portishead - Numb (or Dummy)
Prodigy - Music for a Jilted Generation
Future Sounds of London - Lifeforms (or Dead Cities)
Lamb - Fear of Fours (or Lamb)
Africa Bambataa & The Soulsonic force - Planet rock
Moby - Moby (or Play for very different reasons)
Fatboy Slim - You've Come A Long Way Baby
Ram trilogy - Molten beats
Ed Rush & Optical - Wormhole
Autechre - LP5
Freestylers- We Rock Hard
Roni Size & Reprezent - New Forms
Bjork - ???
Leftfield - Leftism
Four Tet - ???
U.N.K.L.E. – Psyence Fiction
BOC - Music has the right to children
The Orb – Adventures Beyond The Ultraworld
Nine Inch Nails – Pretty Hate Machine
Underworld - Second Toughest in the Infants
Orbital - ??? (maybe Orbital 2)
Chemical Brothers - Dig Your Own Hole
Daft Punk - Homework
Kraftwerk - ???
LTJ Bukem - ???
BT - This Binary Universe
Photek - Modus Operandi
Amon Tobin - ???
Propellerheads - Decksanddrumsandrockandroll
Nightmares on Wax - ???
And there are literally LOADS more... but they should get you started.
Apologies if you're not into D'n'B just noticed theres about 5 albums there.