Kerfgrid
Machine shop Checked Oct 8, 2026

South Alliance Industries

South El Monte, CA · prototype to production

south-alliance.comRequest a quote
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About

South Alliance is a machining, fabrication and welding shop in South El Monte, California, founded in 1989. It makes precision parts to customer orders for aerospace, defense, space and other industries, and its industrial division offers machining, hydraulic cylinder work and repair for heavy equipment and other sectors.

Summary written by Kerfgrid from south-alliance.com.

Processes

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Materials
Carbon steel, stainless steel, aluminum, titanium, nickel alloys, plastics, copper, brass and bronze
Industries
Aerospace, defense, electronics, energy, medical, oil and gas, food and beverage, mining, marine, general industrial
Volumes
Prototype to production
On the shop floor
15 machines listed on south-alliance.com
  • MATSUURA MX-420 PC10
  • MATSUURA MX-520 PC4
  • OKUMA MU-8000V
  • DN SOLUTIONS DVF 6500
  • DN SOLUTIONS DNM 750L II
  • DN SOLUTIONS DNM 750 II
  • DN SOLUTIONS DNM 5700L
  • DN SOLUTIONS DNM 5700
  • DN SOLUTIONS BVM 5700
  • DN SOLUTIONS DNM 4500
  • DN SOLUTIONS PUMA GT2600
  • DMG MORI NLX2500
  • Wenzel LH1210 CMM
  • Mitutoyo Crysta S574 CMM
  • Hexagon Absolute 7 Axis Arm
Where each detail comes from