Ok, this took me way too much effort so please enjoy it
Aniburo Gamers: Masuda, Kitahara, Takajo
Animate: Komori, Kikuchi
Big Camera: Kojima
Circle K – Thanks: Kashiwagi
DMM: Kashiwagi
Don Quixote: Sumire (?), Matsui R, Kikuchi, Komori, Watanabe
Famima: Kojima, Minegeshi, Oshima, Takahashi
Guruguru Oukoku: Oshima
Joshin Denki: Yamamoto, Watanabe (NMB)
HMV: Kojima, Matsui J, Oshima
Ishimaru Denki: Takahashi
Lammtarra Akiba: Komori, Masuda
Neowing / CDJapan: Matsui J
Rakuten: Minegishi, Sashihara, Itano, Kashiwagi
Seven-Eleven: Atsuko, Miyazawa
Seven Net Shopping: Oshima, Watanabe
Shinseido: Kashiwagi, Watanabe
Softmap: Miyazaki, Kasai
Tora no ana: Oota
Tower Records: Itano, Kojima
Tsutaya Records: Kojima, Oshima
WonderGOO: Itano
Yamada Denki: Atsuko
Yamano Gakki: Yokoyama, Miyazawa, Takajo, Watanabe (NMB)
...I may be missing one. It says "ときめきモール(サークルK・サンクスオリジナル特典 がつきます)." Does that mean Tokimeki Mall has the same bonus as Cirkle K (Kashiwagi)? That would explain why I can't find a specific Tokimeki Mall one.