The Enterprise of Guard and Investigation Services (警備及び調査を専門とする会社 Keibi Oyobi Chōsa wo Senmon to Suru Kaisha), shortened as E.G.I.S. (イージス Ījisu) is a private security organization which handles alien-related cases on a daily basis.
EGIS was founded by Kana Sasaki after she had left the police's External Affairs Division X. Their most frequent clients include the police themselves, and other aliens who turn to them for help.
- Main article: Kana Sasaki
- Main article: Hiroyuki Kudo
- Main article: Homare Soya
- Main article: Pirika Asahikawa
- Main article: Maguma
- Main article: Markind
- Main article: Ultraman Taiga
- Main article: Ultraman Titas
- Main article: Ultraman Fuma
- Main article: Osamu Tasaki
Osamu Tasaki (田崎修 Tasaki Osamu) is a temporary recruit of EGIS. He joined after Zetton hurt his mother. He left by the end of episode 21 to take care of his mother.
- Electromagnetic Baton (電磁警棒 Denji Keibō): A tonfa-like melee weapon used by EGIS field units.
CQ(Shī Kyū): A scanner device used to differentiate humans and aliens. "CQ" is an abbreviation of "Seek You".
- Patrol Car: A black car used for transportation.
- The various elements of the EGIS logo carry certain meanings:
- Shield: "To defend" (衞)
- Asarum caulescens (葵) leaves: "Loyalty"/"Integrity"/"Sincerity"/"Allegiance" (忠誠)
- Athena's eye: "To watch over" (見守)
- Athena's wings: "To protect" (護)
|Showa Defense Teams||SSSP | TDF (UG, MAT, TAC, ZAT, MAC, UGM) | Science Guard Party|
|Heisei Defense Teams||UMA | WINR | HEART | Mydo | TPC (GUTS, Super GUTS, Black Buster Corps, Neo Super GUTS) | GUARD (XIG) | EYES | TLT | DASH | GUYS | DEUS | ZAP SPACY | Team U | UPG | Xio | VTL | AIB|
|Reiwa Defense Teams||EGIS | GAF (STORAGE)|
|Other Defense Teams||Inter Galactic Defense Force | Space Patrol | MIGHTY JACK | SGM | Team Mouri | SAT | SAF | PAT | Koseidon Corps | SWORD | USP|