There are many commercial facilities that make photomasks.

Here is the contact information for some commercial mask makers:

Commercial Photomask Houses:

USA

IC Photomask  Chandler, AZ

HTA Photomask   San Jose, CA

Martin Photomask  Escondido, CA

Advance Reproductions Corp.  North Andover, MA

Photomask Portal

International

ADTEK Photomask   Montreal, QC Canada

JD Photo-Tools Ltd  Oldham, Lancaster, UK

Other University Photomask Producers:

Purdue University   West Laffaette, IL