Question 1

Where is Tanaka Sangyo?

Accepted Answer

Tanaka Sangyo is in Suginami, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of NEW GAME! does Tanaka Sangyo appear in?

Accepted Answer

Tanaka Sangyo appears in EP3 of NEW GAME!.

Question 3

Can I visit Tanaka Sangyo?

Accepted Answer

Yes. Tanaka Sangyo is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was NEW GAME! filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Tanaka Sangyo is one of those real places (EP3).