Perfumers' Websites
Please note that not all of these sites provide online sales. An excellent and far more exhaustive listing including background information on each fragrance house is available at Now Smell This and Basenotes.net also has a lengthy list of official websites. The following are sites that I have found particularly interesting or useful.
More to come!
AbdesSalaam Attar (Dominique Dubrana)
http://www.profumo.it/perfume/home_english.htmAcqua di Parma
http://www.acquadiparma.com/home_lang.htmAftelier (Mandy Aftel)
http://www.aftelier.com/home.htmlAnne Pliska
http://www.annepliska.com/Anya's Garden (Anya McCoy)
http://anyasgarden.com/Annick Goutal
http://www.annickgoutal.com/Armando Martinez (Armando Martinez)
http://www.armandocmartinez.com/Art et Parfum (Roudnitska)
http://www.art-et-parfum.com/Artemisia Natural Perfume (Lisa Fong)
http://artemisiaperfume.com/Ava Luxe (Serena Ava Franco, currently in limited production)
http://www.etsy.com/shop.php?user_id=5190413§ion_id=5144941Ayala Moriel Perfumes (Ayala Sender)
http://www.ayalamoriel.com/
http://www.etsy.com/shop.php?user_id=1455 B Never Too Busy to Be Beautiful (UK)
http://www.bnevertoobusytobebeautiful.com/index.php?main_page=indexBailey McMillan Perfumes (Melanie McMillan)
http://baileymcmillanperfumes.com/index.htmbecker.eshaya (Kristin Becker & John Eshaya)
http://beckereshaya.com/biehl. parfumkunstwerke (Henning Biehl & others)
http://www.biehl-parfum.com/Black Phoenix Alchemy Lab (Elizabeth & The Lab)
http://www.blackphoenixalchemylab.com/Bond No. 9
http://www.bondno9.com/Bourbon French Parfums
http://www.neworleansperfume.com/Cacharel
http://www.cacharel.com/index.aspxCalvin Klein
http://www.calvinklein.com/fragrance/CB I Hate Perfume (Christopher Brosius)
http://www.cbihateperfume.com/Chanel
http://uma.chanel.com/home.phpClive Christian
http://www.clive.com/Comptoir Sud Pacifique
http://www.comptoir-sud-pacifique.com/Creative Scentualization
http://www.creativescent.com/Creed
http://www.creedfragrances.co.uk/site/DSH Perfumes (Dawn Spencer Hurwitz)
http://www.dshperfumes.com/Demeter Fragrance Library
http://www.demeterfragrance.com/Desire in Sunlight Perfumes (Isabella)
http://parfums.desireinsunlight.net/Diptyque
http://www.diptyqueparis.com/ (may resize your browser)Ecco Bella (Sally Malanga, Founder)
http://www.eccobella.com/index.asp?cat=homeEditions de Parfums (Frederic Malle & various perfumers)
http://www.editionsdeparfums.com/Escentric Molecules (Geza Schoen)
http://www.escentric.com/Estee Lauder
http://www.esteelauder.com/products/fragrance/index.tmplEtat Libre d'Orange (this link is NOT safe for a work environment)
http://www.etatlibredorange.com/Fleur de Lis Perfumes
http://www.fleurdelisperfumes.com/Floris of London
http://www.florislondon.com/Fragonard
http://www.fragonard.com/Francis Kurkdijan (Francis Kurkdijan)
http://www.franciskurkdjian.com/Frank Los Angeles
http://www.franklosangeles.com/Galimard
http://www.galimard.com/intro.htmlGuerlain
http://www.guerlain.com/Holzman & Stephanie Perfumes
http://www.holzmansteffi-perfumes.com/Hove Parfumeur
http://www.hoveparfumeur.com/IFF: Portraits of IFF Perfumers by Hajime Watanabe
http://www.whatwedoissecret.org/iff-perfumers/index.htmlIneke (Ineke Ruhland)
http://www.ineke.com/I Profumi di Firenze
http://www.isabellaimports.com/Iprofumi.htmlJean Patou
http://www.jeanpatou.com/Jo Malone
http://www.jomalone.com/JoAnne Bassett Perfumes (JoAnne Bassett)
http://www.joannebassett.com/L. T. Piver
http://www.piver.com/Lagniappe Oaks Perfumery
http://www.neworleansperfume.com/lagniappe-oaks/home.htmL'Artisan Parfumeur
http://www.artisanparfumeur.com/Le Labo (Edouard and Fabrice)
http://www.lelabofragrances.com/Les Christophs (Christophe Laudamiel & Christoph Hornetz)
http://www.leschristophs.com/
and
http://www.thescentists.com/index.htmlLes Parfums de Rosine
http://www.les-parfums-de-rosine.com/Liz Zorn (Liz Zorn)
http://www.lizzorn.com/
http://www.soivohle.com
http://parfumemoderne.blogspot.com/Keiko Mecheri
http://www.keikomecheri.com/Kenzo
http://kenzousa.com/ (USA site)
http://www.kenzoparfums.com/LesNez (Isabelle Doyen)
http://www.lesnez.com/Les Salons du Palais Royal Shiseido (Serge Lutens & other perfumers)
http://www.salons-shiseido.com/Maitre Parfumeur et Gantier
http://www.maitre-parfumeur-et-gantier.com/Michael Storer Fine Fragrances (Michael Storer)
http://www.michaelstorer.com/Miller Harris (Lyn Harris)
http://www.millerharris.com/Molinard
http://www.molinard.com/index_gb.phpMontale Paris
http://www.montaleparfums.com/MOR
http://www.morcosmetics.com/catview.php?cat_id=10Nasomatto
http://www.nasomatto.com/Neil Morris Fragrances (Neil Morris)
http://www.neilmorrisfragrances.com/Opulentals
http://www.opulentals.com/Ormonde Jayne (Linda Pilkington)
http://www.ormondejayne.com/Parfumerie Generale (Pierre Guillaume)
http://www.parfumerie-generale.com/Parfums Caron
http://www.parfumscaron.com/Parfum d'Empire (Marc-Antoine Corticchiato)
http://www.parfumdempire.fr/Parfums de Nicolai (Patricia de Nicolai)
http://www.pnicolai.com/accueil.htmPenhaligon's (UK)
http://www.penhaligons.co.uk/People of the Labyrinths
http://www.labyrinths.nl/Perfumers Guild Limited (John Bailey)
http://www.perfumersguild.comPrada Parfums
http://parfums.prada.com/prada-perfume-fragrance.htmProfumo.it (Italy)
http://www.profumo.it/perfume/home_english.htmRich Hippie
http://www.rich-hippie.com/Robert Piguet
http://www.ffandcltd.com/robertpiguet.asRoxana Illuminated Perfume (Roxana Villa)
http://www.illuminatedperfume.com/S-Ex.jp (Christophe Laudamiel)
http://s-ex.jp/S-Perfume (Various Perfumers)
http://www.s-perfume.com/Sage (Sage Machado)
http://www.sagejewelry.com/Santa Maria Novella
http://www.lafcony.com/smn/Scent Systems (Hiram Green, George Dodd)
http://www.scent-systems.com/Serge Lutens (Serge Lutens and other perfumers)
http://www.salons-shiseido.com/Societe Francaise des Parfumeurs (various perfumers)
http://parfumeur-createur.com/Sonoma Scent Studio
http://www.sonomascentstudio.com/index.shtmlShaping Room (Various Perfumers)
http://www.shapingroom.com/Sharini (Nick Jennings)
http://sharini.com/Strange Invisible Perfumes (Alexandra Balahoutis)
http://www.siperfumes.com/sip/Tauer Perfumes (Andy Tauer)
http://www.tauerperfumes.com/The Different Company (Celine Ellena, Thierry de Baschmakoff, Jean Claude Ellena)
http://www.thedifferentcompany.com/Theme Fragrances
http://www.etsy.com/shop.php?user_id=5216302Tom Ford (this link is NOT safe for a work environment)
http://www.tomford.com/Tsi La Organics
http://tsilaorganics.com/vero.profumo (Vero Kern)
http://veroprofumo.com/Viktor & Rolf
http://www.viktor-rolf.com/index2.htmlVirtue and Valor (Rachel Jones)
http://virtueandvalor.com/index.htmlWhat We Do Is Secret (Laurent Le Guernec, Clement Gavarry)
http://whatwedoissecret.org/madebyblog/perfumers/Yosh (Yosh Han)
http://www.eaudeyosh.com/
Please report broken or outdated links via the comments interface below. Site additions and suggestions are welcome.