Allen Scientific Glass, Inc. (Popularity: ): Glassblowing, laboratory, pharmaceutical and scientific glassware. Qorpak (Popularity: ): Supplies glass containers to industrial, chemical/petrochemical, environmental, health/biotech, and pharamaceutical labs. Cutforth Laboratory Glass, Ltd. (Popularity: ): Scientific and educational glassware and accessories. Wale Apparatus (Popularity: ): Glass blowing tools, instruments and supplies. To roll your own. Doran Glass (Popularity: ): Skilled in all aspects of glass blowing, manufacturing, and repairs. A M Glassware (Popularity: ): Karl Fischer electrodes, general laboaratory glassware and complimentary glassware producers Indigo.com (Popularity: ): Offering scientific laboratory glassware: erlenmeyer flasks, glass beakers, test tubes, burets, separatory funnels, volumetric, filtering ... Pyromatics Corp. (Popularity: ): High purity molded fused quartz products for state of the art applications. Q-glass (Popularity: ): Laboratory glassware, scientific glassware for research and industry. Scientific Glassblowing Basics (Popularity: ): Educational tutorial on scientific glassblowing for the novice glassblower.