Summoning Contract list

Toads: (Washi Oda has the Toad summoning contract.)
Gamabunta
Gamaken
Toad Cart Destroyer size
Gama
Gamakichi
Gamatatsu

Slugs:
Katsuuya

Snakes: (Paksennarion Kuchinawa has the snake summoning contract)
Manda
Kyodaigumo


Tigers:(Chieko Takai has the tiger summoning contract)
Tiger

Birds:
Eagles
Giant Drill-bird

Turtles:
Gai's turtle summon

Weasels:
Kamatari

Sharks:
Kisame's sharks.

Pirahnas:
Pirahnas

Monkeys:
Enma

Wolves:
Inuzuka Clan's Wolves
Wolves

Nin-dogs:
Giant Cerberus (can split into 3 and then 10)
Inuzuka clan's nin-dogs

Bees:
Queen Bee
Bees

Spiders: (Kojima Taiki has the spider summoning contract)
Kyodaija

Lobster: (Matsutsu Kaguya has the lobster summoning contract)
Giant Lobster

Special Summons:
Doki Demons
Umibozu

Ox:
Giant Ox

Chameleons:
Shiromari
Giant Chameleon

Pandas:
Big Panda