Custom size T-bar in that old building your renovating? Can't seem to find the same length or special punching on a main-tee you require? Tell us the length and punching of whatever you require and we'll get it made for you.

Drywall Suspension System
"The CGC Drywall Suspension system allows you to create unique curved, domed, and conventional flat drywall ceilings. The system assembles quickly and easily for faster installation, reducing labor costs. System accessories and integrated straight and curved components offer easy transitions to vertical, horizontal, or curved surfaces. Plus, the USG drywall suspension system has a lifetime limited warranty when used with SHEETROCK® brand gypsum panels."

Flat Ceilings Data Page:
http://www.cgcinc.com/media/31811/drywall_sussys_flat_data.pdf

Curved Ceilings Data Page:
http://www.cgcinc.com/media/31862/drywall_suspsys_curved_data.pdf