Often Pilates is just thought of as a workout using only the mat or reformer. However traditionally the Pilates method was created using a variety of different pieces of equipment.

In the Classical Pilates studio setting you will often use:

The cadillac
The reformer
The high chair / electric chair
The wunda chair
The spine corrector/small barrels
The pedo pull
The guillotine
The high mat
The tower
The ladder barrel
The magic circle
The small hand weights
The foot corrector
Jump boards

In Contemporary Pilates studios you will often use:

The reformer (very popular some studios only use use this piece of equipment)
The mat (very popular in gyms)
The cadillac
The wunda chair / exo chair
The spine corrector/ small barrels
The pedo pull
The foam roller
The thera bands
The magic circle
Hand weights large & small
Ankle weights
Stability balls/Pilates balls
Massage balls
Balance boards
Tower classes (not that common)
Jump boards