DMC Sidecars has sidecars and mountaing brackets for a number of Triumph Models- http://www.dmcsidecars.com/
Made in the USA.

Cozy and Inder are two other models I've seen mounted on Triumphs- http://www.cyclesidecar.com/
I've seen Cozy and Inder available internationally.

Peace,
Paula

"Let your soul shine, It's better than sunshine, It's better than moonshine, ****** sure better than rain." -ABB