in progress
Ones that I've heard of and/or have products that are easily available to me.
- Stella Artois (Belgium), beer.
- Oettinger (Germany), beer.
- Maruya (Japan), miso.
- Einbecker (Germany), beer.
- Lowenbrau (Germany), beer.
- Kronen (Germany), beer.
- Hiraizumi (Japan), sake.
- Beretta (Italy), firearms.
- 1526. (not that I want a gun, but it's interesting.)
- Oranjeboom (Netherlands), beer.
- Bols (Netherlands), spirits.
- Kadoya (Japan), beer.
- Tenshoen (Japan), tea.
- Oxford University Press (U.K.), books.
- Toraya (Japan), confectionary.
- Yomeishu (Japan), sake.
- Sato (Japan), miso.
- Yanagiya (Japan), cosmetics. >>
- Otaya (Japan), foods.
- Shobun (Japan), vinegar.
- Haig (Scotland), scotch.
- Kikkoman (Japan), foods.
- Gekkeikan (Japan), sake.
- Shohokuen (Japan), tea.
- Fiskars (Finland), blades.
- Royal Delft (Netherlands), porcelain.
- Morita (Japan), beer.
- Okazaki (Japan), sake.
- Daiichi (Japan), sake.
- Genpei (Japan), sake.
- Tenryo (Japan), sake.
- Gaggenau (Germany), appliances.
- Husqvarna (Sweden), various items.
- Twinings (U.K.), tea.
- Matsuda (Japan), vinegar.
- Longman (U.K.), publishing.
from [http://en.wikipedia.org/wiki/List_of_oldest_companies]