Assay One  is a fire assaying lab that specializes in:
    fire assayingfire assaying
    material analysismaterial analysis
    quality control testing of metalsquality control testing of metals
    analysis of gold samplesanalysis of gold samples
    analysis of silver samplesanalysis of silver samples
    sterling silver analysissterling silver analysis
    ion exchange resin analysision exchange resin analysis
    monitoring of plating solutionmonitoring of plating solution
    Umpire analysisUmpire analysis