are you looking for someone to do the job or a place to buy the parts? all the vendors have the seals, and likely you'll have a variety of auto glass shops around that could cut the glass
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics