This list is a coupla years old but it might help.

Distortion:
Maestro FuzzTone
Colorsound Tonebender
Electro-Harmonix Big Muff
Ibanezz overdrive
Ibanez TS808 Tube Screamer
Ibanes TS9 Tube Screamer
Boss OD-1

Compressors:
MXR Dynacomp
Ross Compressor
Marshall ED-1 Edward the Compressor

Chorus:
Boss CE-1 Chorus Ensemble
Boss CE-2 Chorus
UniVibe

Phasers:
Electro-Harmonix Small Stone
MXR Phase 45, 90 or 100

Flangers:
Electro-Harmonix Electric Mistress
Electro-Harmonix Deluxe Electric Mistress
Ibanez FL-305 Flanger
MXR Flanger
Ibanez FL-301 DX Flanger
Ibanez FL-303 Flanger

Delays:
Boss DM-2
Boss DD-5
Electro Harmonix Deluxe Memory Man
Roland Space Echo
Line 6 DL4 Delay Modeler

Tremolos:
Selmer Tremolo
Boss PN-2 Tremolo/Pan
Nobels TR-X Tremolo

Wah Wah:
Vox Wah
Colorsound Wah-Wah
Jen Cry Baby

Envelope filters:
Electro Harmonix Queen Triggered Wah
Musitronics Mu-Tron III
Ibanez AF201 Auto Filter
Electroharmonix Dr. Q.
MXR Envelope Follower

Octave Dividers:
MXR Blue Box
Boss OC-2 Octivider

Multieffects Units
Boss GT-8
Zoom GFX-4