O Gutherz (Limoges)
O&EG (See Oscar & Edgar Guntherz)
O'Hara China
O'Neill-James Company
Oak Creek Kilns
Oake
Oakland
Oakley China Ltd
Oakmont
Oakwood (Japan)
Oakwood (USA)
Oberon
Oberpfalz
Objets d'Art
Obrarte Ceramica
OC Co (See Ohio China)
Ocean China
Octagonal Originals
Odile Pantz
Oficina Real
Og Company
Oggi
Oh Gussie
Ohashi
Ohata
Ohio China
Ohio Pottery Co. (See Fraunfelter)
Ohio Stoneware (See Hartstone)
Ohm Japan
Ohno & Son
Okumura
Okura
Okwan
Old Abbey (Banner)
Old Abbey (Swords) See Mfr Notes
Old Amsterdam
Old Castle
Old Foley (See Kent, James)
Old Hall
Old Knight-Hood (See Furstenburg)
Old Nuremberg
Old Royal (England)
Old Time Pottery
Old Waller
Oleg Cassini
Olfaire
Oliver
Olivia & Oliver
Olympia
Ombia (Japan)
Ombia (See Ombria)
Omeco (Czech)
Omega
Omni Housewares (See Omni Ware)
Omni Ware
Omnibus Coll (See Fitz & Floyd)
Omniware (See Omni Ware)
One Hundred 80 Degrees
One Kings Lane
Oneida
Onlac Intl
Onondaga
Ons Ideaal
Opalon
Opaque
Opaque China (See Sampson Hancock & Sons)
Opaque de Sarreguemines (See Sarreguemines)
Opaque Granite (See WB Co)
Open Home
Operanova
Opificio Etico
Orchard
Orient China
Orient Stone
Oriental (Japan)
Oriental Chaina
Original King (See King-Werk)
Original Lj
Original Plaid
Original Red Plate
Original World of Jet and Company
Orion (Japan)
Orla
Orleans
Orlik Germany
Orvis
Osborne (24 K)
Osborne (England)
Oscar & Edgar Gutherz
Oscar De La Renta
Oscar Schaller (See Winterling - Bavaria)
Oscar Schlegelmilch
Osler Designers
oster
Ostrow
Osugi
Otagiri
Ott & Brewer (Etruria Co.)
Oud Delft
Our Table
Outeiro
Oven King (Italy)
Over And Back
Overjoy
Ovington's
Owens Pottery
Owens-Brockway
Oxford & Thyme
Oxford (Brazil)
Oxford (Div of Lenox)
Oxford (England)
Oxford China (See Universal)
Oxford Pottery Co
Oxford-Japan (See Sango)
Oxney Green
Oyster Plates
