Although they are two of the world’s largest refiners, they have not mass-produced silver bars since the mid-1980s. The most popular silver bullion bars are created by Engelhard and Johnson-Matthey. The 100-oz silver bullion bars are desirable because they offer a low markup over the spot price of silver, although they aren’t as flexible as the 10-oz variety. These type of collectors will often sell when silver prices go up. The 100-oz silver bullion bars are often called investment bars, because collectors who buy them usually do so for investment purposes, not as a hedge against inflation. Sunshine Silver Bars – 1, 10, and 100 oz bars.SilverTowne Silver Bars – Another retail company that also does wholesale, offers 1 oz, 5 oz, 10 oz, and 100 oz bars.Scottsdale Silver Bars – A silver bar retailer who offers their own line of minted silver bars.RCM Silver Bars – The Royal Canadian Mint, produces.PAMP Suisse Silver Bars – A Swiss brand that makes high-premium art silver bars.OPM Silver Bars – Ohio Precious Metals, now owned by NTR and producing similar products.NTR Metals Silver Bars – A refiner out of Texas, producing 10 oz and 100 oz bars for cheap.Johnson Matthey Silver Bars – Similar stature to Engelhard, makes popular 1 and 100 oz bars.Heraeus Silver Bars – Very high premium silver bars, rarely available on the retail market.Engelhard Silver Bars – One of the most highly reputed silver bar producers, despite no longer actively producing.Credit Suisse Silver Bars – Large gold bullion producer who makes a small selection of high-premium silver bars.Recognizable hallmarks, making them readily accepted for resale and easily convertible to cash.Compact size, making them ideal for investors who want to secure a large amount of wealth in a relatively small storage area.Uniform size, making them very convenient to store and easy to handle.Some of the advantages of owning silver bullion bars are: