Smelters & Refiners - Precious Metals in Sheffield, South Yorkshire
| Name & Address | Phone # | Website |
| Johnson Matthey 1 Froggatt Lane, Sheffield, South Yorkshire S1 2NL | 0114-241 9400 |  |
| Name & Address | Phone # | Website |
| Johnson Matthey 1 Froggatt Lane, Sheffield, South Yorkshire S1 2NL | 0114-241 9400 | |
