LTX
 LTX is a semiconductor Automatic Test Equipment (ATE) vendor founded in 1976 and headquartered in Norwood MA (Greater Boston area). The focus of the company is the design and development of ATE for the semiconductor marketplace but it distinguished itself in the early days as a provider of functional and parametric testers for discrete component RF products. Today LTX offers test platforms capable of testing mixed signal (analog & digital) devices.