Simple
AltaVista – AlltheWeb
– AOL Search –
AskJeeves –
Direct Hit –
Google – 
LookSmart  –
Lycos –  MSN – 
Netscape – Northern Light
– Open Directory –
Openfind –
Overture –
SearchHippo –
SearchKing –
SplatSearch –
Teoma –
Thunderstone
–  TrueSearch –
WiseNut –

Yahoo

Meta
  Beaucoup –
C4 TotalSearch –
Dogpile –
Ixquick –
Metacrawler  –
Multimeta –
ProFusion –
Search.com  –
SurfWax –
WebCrawler

Unusual or New
 Alexa –
Buzzle –
Clickey –
ExactSeek –
LookQuick –
NationalDirectory –
REX(dog) –
Scrub The Web –
SearchIt –
Try America –

Pay Per Click/Inclusion
LookQuick –
TowerSearch

References

Search Engine Showdown