Master of Plaster Finishing Systems, Inc.
Master of Plaster Finishing Systems, Inc. specializes in Premixed Restoration Plaster, New Construction Plaster Supplies, Plaster Restoration, Plaster Finishing, Wholesale Plaster, Wholesale Venetian Plaster and more
http://www.masterofplaster.com

Reproduction Plaster Co Ltd
Specialized in plaster cornice restoration/reproduction. Also manufactures large variety of fibrous plaster mouldings and provides services for custom-designs. Scotland.
http://www.reproplaster.co.uk

Oren Companies
A group of companies that supply and/or install all types of plaster, stucco, EIFS, and specialty finishes. Also specializes in plaster restoration and ornamental plaster casting.
http://oren-usa.com/

Nu Wal Restoration
A system for repairing damaged plaster substrates of walls and ceilings.  The Nu-Wal system covers and reinforces the entire surface with a fine textured fiberglass mat embedded in an elastomeric adhesive. Shown are MSDS, applications, specifications, installation and contacts. 
http://www.spec-chem.com/

Renaissance Plaster USA, LLC
U.S. distributor of plaster mouldings and architectural trim manufactured by Stevensons of Norwich, UK. Florida, USA.
http://www.renaissanceplaster.com

Plaster Master Industries
Plaster machines, foam, help on mixing plaster, rotational casting machines, molds, sculpture techniques, plaster pigments and coloring concrete
http://www.plastermaster.com/

Iconoplast Designs
architectural detailing and restoration
http://www.iconoplast.com/

Archicast
Architectural custom caster repairs and recasts ornamental plaster and stone for renovation and restoration construction projects,interior and exterior
http://www.archicast.com

Fresco Plaster and Paint
Fresco plaster and paint offers a full range of high and plastering and finishing techniques
http://www.geocities.com/frescoplaster/

Historic Plaster Conservation Services Limited
Historic Plaster Conservation Services has developed specialised techniques for strengthening existing plaster in ceilings and walls of historically and architecturally significant buildings to conserve and restore historic heritage plaster.
http://www.historicplaster.com/