Antique glass

JarDoctor
An American site based in Missouri that offers antique bottle restoration and antique glass bottle repair services. They are also specializes in cleaning jars, bottles and insulators because they have the machine needed for cleaning.

Montano's antique glass repair
Site of a shop that offers antique glass bottle repair and antique bottle restoration services. They make internal stoppers for lay-down perfume bottles. They repair collars of bottles and recut figural and geometric perfume bottle stoppers.

Antique bottles
Section of a site where you can find links and information about antique bottle restoration, antique glass bottle repair and cleaning services. According to this site, bottles are worth more when they are clean and in at least near mint condition.