Oneida Silver Co made silverplate under various names as follows:

Beacon Silver Plate
Camden Silver Plate
Capital Plate
Carlton Silver Plate
Community
Debonair Silver Plate
Duro Plate
Extra Plate
Extra Coin Silver Plate
Genesee Silver Plate
Glastonbury
Heirloom Plate
Imperial Silver Plate
Linton Silver Plate
Madison Silver Plate
Maywood Silver Plate
Monarch Plate
Niagara
Nobility Plate
Oneida Community
Oneida Ltd.
Oneida Silversmiths
Oxford Silver Plate
1880 Pairpoint Mfg Co
Par Plate
Peerless Silver Plate
Pelham Silver Plate
Prestige ****Plate
Puritan Silver
Reliance Plate
Rockford Silver Plate Co
1881 Rogers
S.L. & G.H. Rogers (Simeon L. & George H.)
Wm A Rogers

R.S. Mfg Co
Senate Silver Plate
Service Plate
Tudor Plate
Vernon Silver Plate
Wards Silver Plate
+W. R. Keystone
SO if you see these marks on the backs of silverware knives, forks, spoons or serving pieces, no matter what the mark says, you know it was actually produced by Oneida, one of the foremost producers of silverplate.