Machine shop Checked Oct 8, 2026

Npn Machine Tools

Houston, TX · prototype to production

Certifications · select one to see where it is stated

About

NPN Machine Tools is a Houston CNC machining and contract manufacturing shop serving oil and gas, petrochemical, and industrial customers. It offers large-diameter turning, milling, prototyping, grinding, honing, heat treating, and plating.

Summary written by Kerfgrid from npnmachinetools.com.

Processes

Select a process to see the sentence it comes from.

Materials: Carbon steel, stainless steel, tool steel, aluminum, copper, brass and bronze, cast iron, plastics, titanium, nickel alloys
Industries: Oil and gas, general industrial, aerospace, medical, food and beverage, marine, automotive
Volumes: Prototype to production
Holds: ±0.0001″

On the shop floor

5 machines listed on npnmachinetools.com

Acer Ultima Vertical Mill (10″ × 48″)
Haas VF-6/50 (2012 Model)
Okuma MX-45 VAE (1998 Model)

Mazak Slant Turn Nexus 550
Okuma L-470 2007 Model

Where each detail comes from

Processes · CNC turning
“CNC Turning Large-Capacity Precision Turning”
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Processes · CNC milling
“CNC Milling 3-Axis: Reliable, high-precision parts.”
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Processes · 5-axis machining
“5-Axis: Intricate geometries, single setup.”
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Processes · Drilling and tapping
“Advanced Processes: Gun Drilling & BTA Drilling Systems”
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Processes · Boring
“Specialized Services: Corrosion-resistant coatings, high-pressure threading, precision boring”
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Processes · Grinding
“Expert Grinding: Surface, cylindrical, and centerless grinding services”
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Processes · Lapping and polishing
“Post-Processing: Passivation, polishing, and specialty finishes available”
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Processes · Heat treating
“Full Range Services: Annealing, Hardening, Tempering & Stress Relieving”
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Processes · Plating
“Plating Services: Zinc, Nickel, Chrome, & Cadmium”
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Processes · Anodizing
“Surface Treatments: Anodizing, Powder Coating, & Passivation”
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Processes · Powder coating
“Surface Treatments: Anodizing, Powder Coating, & Passivation”
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Processes · Painting
“Post-Processing: Ready for heat treatment, plating, painting, or other surface finishes.”
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Processes · Assembly
“Value-Added Services: Heat treating, plating, grinding, and assembly”
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Processes · Prototyping
“Rapid Prototyping Fast-Track Your Ideas to Reality”
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Processes · Engineering and design
“Material & Process Expertise: Advisory support for manufacturability (DFM)”
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Materials · Carbon steel
“Material Specialization: Low, Medium, and High Carbon Steels (e.g., 1018, 1045, 4140)”
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Materials · Stainless steel
“Material Specialization: 303, 304, 316, 17-4PH & Other Grades”
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Materials · Tool steel
“Material Expertise: Alloy steels, tool steels & specialty metals”
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Materials · Aluminum
“Material Expertise: Carbon steel, alloy steel, aluminum, cast iron, and plastics”
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Materials · Copper, brass and bronze
“Material Expertise: Marine-grade stainless steel, bronze, aluminum, and corrosion-resistant alloys”
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Materials · Cast iron
“Material Expertise: Carbon steel, alloy steel, aluminum, cast iron, and plastics”
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Materials · Plastics
“Material Expertise: Carbon steel, alloy steel, aluminum, cast iron, and plastics”
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Materials · Titanium
“Material Expertise: Stainless steels, duplex steels, nickel alloys, titanium”
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Materials · Nickel alloys
“Material Expertise: Stainless steels, duplex steels, nickel alloys, titanium”
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Certifications · ISO 9001
“ISO 9001:2015 certified machining company”
npnmachinetools.com
Industries · Oil and gas
“we support clients in Oil & Gas, Petrochemical, Industrial Manufacturing, and many other sectors.”
npnmachinetools.com
Industries · General industrial
“Industrial Manufacturing Your Partner for Production & Maintenance Solutions”
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Industries · Aerospace
“Applications: High-Pressure, Aerospace, & Precision Assembly”
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Industries · Medical
“Common Uses: Medical devices, food processing, marine, and chemical components”
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Industries · Food and beverage
“Common Uses: Medical devices, food processing, marine, and chemical components”
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Industries · Marine
“Applications: Commercial vessels, naval systems, offshore platforms, and marine engines”
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Industries · Automotive
“Applications: Aerospace, automotive, marine, and industrial components”
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