If you know of suppliers that are not on this list, I'd appreciate an email.

• Matsushita Electric Works
  Masaru Yokoyama
  1048 Kadoma, Kadoma-shi, Osaka 571
  Japan
  email: aerogel@mewaa.mew.co.jp
  tel: *81-6-909-7383
  fax: *81-6-904-7104
  web: http://www.mew.co.jp/e-aerogel/special.html
  
  Here is an example of what they can make (this dates from 1998):
  size: 11x11x1 cm
  Refractive Index: 1.015, 1.03, 1.05, all +-0.02
  Transparency: Transmittance at wavelength 550nm >90% ( thickness=10mm)
  price (FOB)
  50,000yen/liter(for orders >100 liter)
  100,000yen/liter(for orders <100 liter)
  
  

• Boseskov Institute of Catalysis, Novosibirsk
  Budker Institute of Nuclear Physics, Novosibirsk
  Dr. Alexei Onuchin
  email: onuchin@inp.nsk.su
  Dr. E.A.Kravchenko: kravchenko@inp.nsk.su
  This is used currently by LHCb.

• Airglass AB
  PO Box 150
  245 22 Staffanstorp
  Sweden
  Tel: (46) 46-25 52 00
  Fax: (46) 46-25 69 20
  email: info@airglass.se
  web: http://www.airglass.se
  

• Star Gazer's Gift Shop
  MSAS Astronomy Village
  Star Gazer's Gift Shop
  P.O. Box 1169
  Lake Arrowhead, CA 92352
  Tel: (909) 336-1699
  email: stargazersmail@mountain-skies.org
  web: http://www.mountain-skies.org/gift-shop.html
  

• United Nuclear Scientific Equipment & Supplies
  This company sells small quantities of Aerogel - mainly for the home experimenter and students.
  email: sales@unitednuclear.com
  web: http://www.unitednuclear.com/
  

• University if Wisconsin zero-gravity group.
  The homepage of the zero-G group.
  On this page, they offer to make and sell small samples.
  email: aerogelsamples@zerogaerogel.com

• NanoPore Inc.
  2501 Alamo Avenue SE
  Albuquerque, New Mexico  87106
  Phone:  (505) 247-4041
  Fax:  (505) 247-4046
  email: rthomas@NanoPore.com (Rebecca J. Thomas, for general questions and order processing)
  email: kevinr@NanoPore.com (Kevin H. Roderick, for technical questions on insulation)
  email: swallace@NanoPore.com (Steve Wallace, for technical questions on specialty materials)
  Web: http://www.nanopore.com/
  This company produces aerogel in powder and granular form.

• JPL hypervelocity impact group
  dr. Peter Tsou
  Tel: (818) 354 8094
  Fax: (818) 354 0966
  email: peter.tsou@jpl.nasa.gov
  
  
• Marketech International, Inc.
  4750 Magnolia Street
  Port Townsend, WA 98368
  Phone: 360 379 6707
  Fax: 360 379 6907
  email: mkt@olympus.net
  web: http://www.mkt-intl.com
  
  
• Aspen Aerogels Inc.
  30 Forbes Road, Building B
  Northborough, MA 01532, USA
  Phone: 508-691-1115
  Fax: 508-691-1200
  Email: info@aerogel.com
  web: http://www.aerogel.com/
  
  
  
• Taasi Corporation
  548 W. Central Ave.,
  Delaware OH 43015, USA.
  Tel: 740-362-3071
  Fax: 740-369-1891.
  Email: yaattia@midohio.net
  web: www.taasi.com
  This company produces aerogel in powder, granule and other forms.
  
  
  
• Cabot
  This company makes hydrophobic aerogel in granular form, and has facilities for large-scale production.
  web: www.cabot-corp.com/nanogel
  Samples can be requested
  Here is a distributor: Solar Components Corp.
  
  
• Aerogel Composite
  Aerogel-based composites, granular, for catalyst applications.
  web: http://www.aerogelcomposite.com/
  
  
• Americal Aerogel Corp.
  Organic aerogels, granular, for insulation applications
  AAC appears to have no web site, but mentioned here: http://www.rochesterworks.org/news_0504_ameraerogel.html
  
  
• SHANXI ZHONGRUI TIANXIN TRADING CO.
  Aerogel powder
  Tel.: 86-351-3531399
  Fax.:86-351-3530684
  Mobil: 0133 3346 8903
  E-mail: yuwen.hl@gmail.com
  
  
  
• The-Aerogel-Store
  Someone is selling small pieces on Ebay:
  http://stores.ebay.com/The-Aerogel-Store