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About Us


Joined Alloys is a division of Leading Edge Manufacturing (LEM) and is head quartered in Phoenix, Arizona. LEM is an aerospace, precision machining and defense industry manufacturer of metal components and sub-assemblies. Founded in 1959, as Maximet, Inc., then Joined Alloys, which later became Leading Edge Manufacturing in 2017, specializing in complex processes for many businesses including machining, sheet metal fabrication, vacuum, torch and induction brazing, vacuum heat treating, welding and non-destructive testing. As an AS9100D, ISO9001, and NADCAP (welding, brazing, heat treating) certified company, Leading Edge Manufacturing dba Joined Alloys has the facility, the experience and quality process necessary to produce the high-quality precision components and sub-assemblies.

Our Vision

Our vision is to be recognized by our customers, and the industries and communities we serve, as a leading global provider of high-quality manufacturing and engineering services, committed to operational excellence and an unparalleled customer experience.

Our Mission

Our mission is to provide our customers with highest quality product and services, when they need them, at the lowest possible price.

Our Products