A

• [+] Action Masters
• [+] Aerialbots
• [+] Autobot subgroups

B

• [+] Breastforce

C

• [+] Combiner teams
• [+] Constructicons
• [+] Cyberjets

D

• [+] Decepticon subgroups
• [+] Dinobots

F

• [+] Fuzors

G

• [+] Godmasters

H

• [+] Headmasters

I

• [+] Insecticons

M

• [+] Maximal subgroups
• [+] Micromasters
• [+] Mini Vehicles
• [+] Mini-Cassettes
• [+] Multiforce

O

• [+] Omnicons

P

• [+] Pack
• [+] Powermasters
• [+] Predacon subgroups
• [+] Pretenders

P cont.

• [+] Protectobots

S

• [+] Seacons
• [+] Seekers
• [+] Spy Changers

T

• [+] Targetmasters
• [+] Terrorcons
• [+] Transmetals
• [+] Transmetals 2
• [+] Triple Changers

W

• [+] Wreckers

• Subgroup

A

• Action Master

C

• Clone (subgroup)
• Combi-Micromaster

E

• Egg Beast

F

• Fuzor

G

• Godmaster

H

• Headmaster (technology)

H cont.

• Headmaster Junior

L

• Laser Cycle
• Laser Rod

M

• Mini-Cassette

P

• Power Master
• Powermaster
• Pretender
• Primitive

R

• Real Gear Robot

R cont.

• Rotor Force

S

• Sparkbot
• Sparkdash
• Survivors

T

• Targetmaster
• Thirteen original Transformers
• Transmetal
• Triple Changer

W

• Wreckers