I don't want the group/mc but the producer.
here are some of mine:

hi-tek - the sun god/1999/shines
pete rock - t.r.o.y./take you there/back on the block
akhenaton - independenza/mes soleils et mes lunes/rien n'est eternel/la sphere de l'infuence (for snippets go to www.iam.ca.tc)
shurik'n - samurai
géraldo - civilisé/introduction
ski - luchini/who u wit II
primo - nas is like/royalty/when i be on tha mic/ebonics rmx
just blaze - oh boy
timbaland - try again/nigga what nigga who/all y'all/ hot boyz/dead wrong/she's a gangsta
dre - let me ride/100 miles and runnin/straght outta compton
earthtone 3 - b.o.b.
no i.d. - state to state
mos def - umi says
opio(or was it a-plus?) - you neva know
alchemist - the platform/we gone make it
nerd - lap dance/belly dancer/beautiful/best u can
rockwilder - da rockwilder/oh no
jay dee - get dis money
marley marl - the bridge
clark kent - guess who's back
?? (it wasn't eric b) - follow the leader
rza - release yo delf
.... and so on

i dont feel like namein them. im out!!!

glad u asked.....
muskabeatz ft. biz markie - body rock
deadly snakes ft. freddy fingaz - S.N.A.K.E.S
kurupt - on site

i got so many, but these are a few of my favourites.... keep in mind i like some beats ppl dont like.

eastsidaz g'd up           battle cat

dr dre  2 many 2 name (nuthin but a g thang to stilldre,next episode)

tq        westside

nate dogg          where i wanna be

loads more but ill put em later

the murcielago............

Kanye west- Good to you, takeover, guess whos back
dr. dre- let me ride, heat
Justblaze- what we do,, line em up
alchemest- we gon make it, worst comes to worst
rockwilder- da rockwilder