They launched the slow but sturdy Tinderblast broom in 1940. This was followed in 1952 by the release of the faster Swiftstick broom. Although well-made, neither broom was particularly popular as their designs had technical issues. (QA9, Pm).
Lexicon list of Broom Manufacturers
From the Web
Writing by J K Rowling: Firebolt
Pottermore feature: Broomsticks
Harry Potter Wiki: Brooms