Here is a collection of demos and intros made in the US and/or Canada, that 
didn't come from NAID.  This is by no means a complete collection of North
American demos, just a well-rounded sample set.  Enjoy. :)

-Phoenix


Filename          Title                Made by          Year (Party)
-----------------------------------------------------------------------------
accident.zip      The Accident         Axidental        1994 (Assembly '94) 
ambience.zip      Ambience             Tran             1994
amnesia.zip       Amnesia              Renaissance      1992
amnesiam.zip      Amnesia Music Player Renaissance      1992
amnpatch.zip      Amnesia (P5 Patch)   Renaissance      1997 (unreleased)
babylon.zip       Babylon              Psychic Monks    1996 (Assembly '96)
craw_wto.zip      Window to Oblivion   Craw Productions 1996
daretro.zip       Daretro              Renaissance      1993
dawn.zip          Dawn                 TEI              1994 (Assembly '94)
dc5-caq2.zip      Cack 2               DC5              1997 (The Party 7)
dc_beef.zip       Beef                 DC5              1996
deadbeat.zip      Deadbeat BBS Intro   Shadow Product.  1992
diftro.zip        Diftro               Digital Infinity 1993
digitald.zip      Digital Dreams       Divine           1994
dowhack.zip       Dowhackado           Renaissance      1993
dragon11.zip      Dragon               GooRoo           1996
exc_spld.zip      Splendid             Excused          1997 (Assembly '97)
faith.zip         Faith                Vertigo          1997
gn_skp.zip        GooRoo Nation        SKP              1994
hell.zip          Hell                 Tran             1993
hrn-newm.zip      New-Member Intro     Hornet           1996
jeopardy.zip      Jeopardy             Lightspeed       1997
kd_dream.zip      Dreams               Kosmic           1996 (The Party 6)
kickass.zip       Kickass              Lumental         1997
kos_dms.zip       Dance Move Shake     Kosmic           1997
ktv_1296.zip      Nightvision          Kosmic           1996
k_desire.zip      Desire               Kosmic           1997 (X '97)
lgm_kosm.zip      Little Green Men     Kosmic           1995 (Assembly '95)
luminati.zip      Luminati             Tran             1996
mir_eflo.zip      Esperflow            Miracle          1997 (Spring Break '97)
nlife.zip         Night Life           TAP              1995
rbgdemo2.zip      Black Glass 2        Renaissance      1992
santa.zip         Cool Yule            Mindware         1994
sat_expl.zip      Explosive            Satire           1997 (Crash '97)
starchas.zip      Starchaser           Opiate           1996
stereo.zip        Stereotype           TEI              1993
textro.zip        Textro               OTM              1995
timefix.zip       Timeless (patch)     Tran             1994
timeless.zip      Timeless             Tran             1994 
trip.zip          Trip                 Kosmic           1997 (The Party 7)
undead.zip        Undead               Toxic Zombies    1993
vgonatur.zip      Nature               Vertigo          1997 (Crash '97)
wedtro.zip        Wedtro               Trixter          1994


Here's a simple group conversion chart :)

Axidental -> Craw Productions
TEI -> DCB
USED -> Excused (ex-USED, get it?)
TPT -> Lumental
Divine -> Xi
Night Vision -> Satire