Chanel Les Exclusifs.
Hermessence' line.
Perfumeries
Brands: Atkinsons, Aedes, Arquiste, Byredo, Chantecaille, Cire Trudon, Comme des Garçons, Carthusia, Diptyque, D.S&Durga, Frederic Malle, Frapin, Gendarme, Heeley, i profumi di firenze, Illuminum, Kai, L'Artisan, Liquides Imaginaires, Les Parfums de Rosine, Le Labo, Maison Martin Margiela, Molton Brown, (MALIN+GOETZ), Odin, Olfactive Studio, Serge Lutens, Tocca, The Different Company, The Laundress, Ulrich Lang, Vilhelm Parfumerie, Wode by Boudicca, Yosh etc.
Antonia's Flowers, Costume National, Nanadebary, Nasomatto and Sarah Horowitz used to be there as well.
Brands: Armani Prive, Agraria*, Atelier cologne, Acqua di Parma, Aerin, Agonist, Byredo, Clive Christian**, Chantecaille, Creed, Diptyque, Frederic Malle**, Fornasetti, Fresh, Houbigant, Hampton Sun, Jean Patou, Jo Malone, Kiehl's, Maison Francis Kurkjian, Molton Brown, Memo, Nest Fragrances, Robert Piguet, Tom Ford Private Blend, Trish McEvoy, Van Cleef&Arpels Collection Extraordinare.
The branch at Oakbrook (6 Oakbrook Center) stocks at least Annick Goutal, Atelier cologne, Acqua di Parma, Aerin, Byredo, Chantecaille, Creed, Diptyque, Diana Vreeland, Frederic Malle**, Fornasetti, Fresh, Houbigant, Hampton Sun, Jean Patou, Jo Malone, Kiehl's, Laura Mercier, Maison Francis Kurkjian, Molton Brown, Nest Fragrances, Ramon Monegal, Robert Piguet, Tom Ford Private Blend, Trish McEvoy, Tata Harper, Van Cleef&Arpels Collection Extraordinare.
Brands: Aerin, Acqua di Parma, Antica Farmacista, Aesop, Creed, C.O.Bigelow, Crabtree&Evelyn, Chantecaille, Comme des Garcons (incl. CdG' series), Diptyque, Fresh, Frederic Malle**, Gendarme, Houbigant, Jo Malone, Jean Patou, Kai (@SPA Nordstrom), LAFCO, Laura Mercier, Le Labo, Maison Martin Margiela, Molton Brown**, Nest Fragrances, Parfums de Marly, Robert Piguet, Trish McEvoy, The House of Matriarch, Tom Ford Private Blend, Tom Dixon, Voluspa.
The branch at Oakbrook (10 Oak Brook Center) stocks at least Acqua di Parma, Aerin, Antica Farmacista, Clive Christian, Creed, Crabtree&Evelyn, Chantecaille, C.O.Bigelow, Diana Vreeland, Diptyque, Fresh, Gendarme, Houbigant, Jo Malone, Kai, Laura Mercier, Nest Fragrances, Parfums de Marly, Trish McEvoy, Tom Ford Private Blend, Tocca, Voluspa.
Brands: Agraria, By Kilian, Bond No. 9, Caron, Clive Christian, Dayna Decker, Dior Privee, Guerlain (incl. exclusive collections), Houbigant, Jo Malone, Laura Mercier, Molton Brown, Penhaligon's, Trish McEvoy.
(former Truefitt&Hill)
Brands: Bois 1920, Bruno Fazzolari, Charenton Macerations, Claus Porto, Castle Forbes, Caswell-Massey, Czech&Speak, D.R.Harris, Escentric Molecules, Eight&Bob, Ex Idolo, Floris, Geo F Trumper, Heeley, Histoires de Parfums, J.F. Schwarzlose, Jeroboam, L'Artisan, La Manufacture, La Parfumerie Moderne, Mancera, Mark Buxton, Molinard, Molton Brown, Nejma, Penhaligon's (men's fragrances), Parfums de Marly, Profumi del Forte, Roja Rove, Royall Lyme Bermuda, Ramon Monegal, Thirdman, Xerjoff.
Brands: Acqua di Parma, Creed, Diptyque, Hampton Sun, Laura Mercier, L'Artisan, Molton Brown, Tocca, Trish McEvoy.
Annick Goutal, Comptoir Sud Pacifique used to be there as well.
Brands: At Lincoln Av: Amouage***, Andy Tauer, Blood Concept***, Bois 1920, Caswell Massey, Carthusia, Demeter the Library of Fragrances*, DS&Durga, Erbario Toscano, Etat Libre d'Orange, Grossmith, Gendarme, Gianna Rose, Histoires de Parfums**, Infusion Organique*, Kerosene, Lubin, L'Artisan, Montale**, MALIN+GOETZ, Maison Francis Kurkdjian, Nasomatto, Penhaligon's, Santa Maria Novella, Ulrich Lang, West Third Brand*.
At Monroe Street: DS&Durga*, Infusion Organique*, Penhaligon's and Santa Maria Novella.
Additionally these brands are listed at the homepage of the store: Alvarez Gomez, Agonist, Anat Fritz, Alora Ambiance, Archipelago Botanicals, Acca Kappa, Beaufort London, Bronnley, Boellis, Baxter Of California, C.O.Bigelow, Castle Forbes, Claus Porto, Couto, D.r. Harris & Co, Dame Perfumery, Diptyque**, Eight & Bob, Fragrances of Ireland, Geo F. Trumper, Imaginary Authors, Isabey Paris, Joya, Juliette has a Gun**, Jovoy Paris, Kobo, L'Aromarine (Outremer), LAFCO, Molinard, Millefiori, Monyette, Musgo Real, Memo, Molton Brown**, Nest Fragrances, Olfactive Studio**, Orto Parisi Parfums De Marly, Parfums Berdoues, Pacifica, Provence Sante, Pre de Provence, Royall Lime Fragrances, Santa Eulalia, Taylor of Old Bond Street, Truefitt & Hill, Tauerville, Thirdman, Votivo, Woods of Windsor.
The list is common to both stores.
Brands: 10 Corso Como, Amouage, Alvarez Gomez, Atelier Cologne**, Carner, Caswell Massey, Claus Porto, Crabtree&Evelyn**, Eight&Bob, Etat Libre d'Orange, Fornasetti, Gianna Rose Atelier**, Geo F Trumper, Hampton Sun, i profumi di firenze, Jovoy, LAFCO, L'Artisan, Mona di Orio**, Montale, MALIN+GOETZ, Molton Brown, Perris Monte Carlo, Pozzo di Borgo, Ramon Monegal, Rigaud, The Laundress, The Art of Shaving, Taylor of Old Bond Street, Thymes, Voluspa.
Brands: Agonist, Anat Fritz, Andree Putman, Atelier Cologne*, Demeter the Library of Flowers*, Eau d'Italie, Eight & Bob, Juliette has a Gun, LAFCO, Molinard, Nasomatto, Nomenclature, Odin NY, Olfactive Studio , Re Profumo, Santa Eulalia, Santa Maria Novella, SoOud, Thirdman.
Brands: at least Mark Buxton, Ramon Monegal, Strange Invisible Parfums, Volnay, Xerjoff.
Brands: Kerosene.
Brands: Annick Goutal*, Antica Farmacista, Aerin, Acqua di Parma, Diptyque, Gendarme, Jo Malone, Jean Patou, Kiehl's, Laura Mercier, L'Artisan, MALIN+GOETZ, Montale, Nest Fragrances, Penhaligon's, Trish McEvoy, Tom Ford Private Blend.
Brands: Jonathan Adler, Kobo, Lollia, Seda France, TokyoMilk, Voluspa.
Brands: Lubin, The Laundress.
Brands: Jardins d'Ecrivains, kai (@Chicago Av), The Laundress (@Chicago Av), Voluspa.
Stitch
Brands: DAYNA DECKER, d'Orsay, Tom Dixon.
Brands: Hi Wildflower, MCMC Fragrances.
Brands: at least Nejma, Tom Ford Private Blend blue series.
Brands: Aesop, Ellie D*, Cire Trudon**, mcmc fragrances, Patyka*, Rodin, Voluspa*.
Brands: Caswell Massey, DS&Durga, Library of Flowers, TokyoMilk, West Third Brand.
Brands: Atelier Cologne, Fresh, Histoires de Parfums (@North State), Juliette has a Gun (not @Michigan Ave), Laura Mercier, Maison Martin Margiela, Nest Fragrances, Tocca, Tom Ford (some of them).
Brands: D.S.Durga, Escentric Molecules, Laboratory Perfumes.
Brands: Mad et Len, Six Scents.
Brands: Astier De Villatte, Cire Trudon, Diptyque candles, Eau d'Italie, Mad et Len.
NECESSITIES BY DAWNMARIE
Brands: Jean Charles Brosseau.
Perfume World
Brands: Jean Charles Brosseau.
Brands: Caswell Massey, TokyoMilk, West Third Brand
Elysian Spa and Health Club
Brands: Infusion Organique.
Aroma Workshop
Creating of own signature scent.
Closed Stores
*According to the homepage of the brand.
**According to the homepage of the store.
***According to Basenotes.
What a useful list! Thanks so much, Daria!