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- Catamore Jewelry Co. Inc.
Country City Providence RI
Era c.1950
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- Cathedral Art Metal Co. Inc.
Country City Providence RI
Symbol cartouche, cup, frame, rectangle, square
Shape cartouche, frame, rectangle, square
Era c.1934, c.1943
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- Cathedral, H.M.H.
Country City Pawtucket RI
Era c.1915
-
- Caufal, Franz
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
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- Cavanaugh Jewelry Mfg. Co.
Country City Detroit MI
Era c.1943
-
- Cavelti, Toni
Country City Vancouver BC
Era (1931 – )
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- Cazin, J.M. Michel
Country Era 1869-1917
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- Cech, Josef
Country Era 1867-1922
Symbol cartouche, dot ., frame, rectangle
Shape cartouche, frame, rectangle
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- Celleni Mfg Co.
Country City New Haven CT
Era c.1915
-
- Cellini Craft Co.
Country City Chicago IL
Era e.1934
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- Cellini Shop, The
Country City Chicago IL
Era e.1914
-
- Central Monogram Wks.
Country City Chicago IL
Symbol cartouche, circle, frame, ribbon
Shape cartouche, circle, frame
Era c.1934 c.1950, c.1943
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- Century Guild
Country Era fl.1883-c.1892
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- Cerecast Mfg. Co.
Country City St. Louis MO
Symbol leaf
Era c.1950
-
- Cernowicky, Johann
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape cartouche, frame, oval
-
- Cerveny, Anton
Country Era 1867-1922
Symbol cartouche, frame, oval
Shape cartouche, frame, oval