Here are a few links to some great companies:

www.blndesigns.com (web and print design)

www.houseofbols.com (simply great to visit)

www.vodkamuseum.com (simply great to visit)

www.vodka-oksana.com (the vodka you need to try!)

www.orangebike.nl (the best bike rentals in amsterdam)

www.pissup.com (Europe's biggest stag party organizer)