Originally Posted by haji
The only two standalone hypercar brand that really made it are Pagani and Koenigsegg. Can't think of anything else.
Rimac is another one if you take into account the investment and attention they've received from other companies despite there being practically no production output. They're pretty much an incubator.
To play devil's advocate: Pagani and Koenigsegg have been around for donkey's years. Who's to say that there aren't a few new companies in the recent glut of releases that might be still around and flourishing in 20 years time?