Large-Capacity CNC Machining,
Welding & Fabrication
Full-service heavy manufacturing on a 15-acre, 120,000 sq. ft. industrial complex in Fort Worth, Texas. Integrated machining, fabrication, coating, assembly, and testing — all under one roof.
Request a quoteBuilt for scale. Built for precision. Built for quality.
J-Mac Completion Equipment, LLC operates a 120,000 sq. ft. heavy manufacturing facility on a 15-acre industrial campus in Fort Worth, Texas. We deliver fully integrated manufacturing under one roof — from raw material through machining, fabrication, coating, assembly, and testing — supporting the construction and oil & gas industries with accountability, consistency, and confidence in the finished product.
Your premier destination for tough, heavy duty oilfield equipment. U.S. Owned and operated since 1986. Serving Midland, Odessa, Oklahoma, Louisiana, South Texas, and New Mexico.
FEATURED PRODUCTS
2014 CS&P BLENDER
2021 NRG Blender
2019 NRG Blender
2019 NRG Blender
J-Mac Completion Equipment, LLC Frac Pumps, Cat/Cat
2019 NRG Frac Pumps CAT /CAT
2250 TRIPLEX FRAC PUMP
Capabilities In Action
What we do under one roof
Heavy-duty manufacturing services engineered for the demanding tolerances of the construction and oil & gas industries.
CNC Machining
Large-capacity CNC machining for oversized and heavy components, with horizontal boring mills, vertical machining centers, and lathes capable of handling parts up to 33,000 lbs.
Welding & Fabrication
Structural welding, plasma cutting, and heavy fabrication for weldments, frames, skids, and custom assemblies built to spec.
Industrial Coating
In-house industrial paint booth for full equipment coating — corrosion protection and finish quality controlled on-site.
Assembly & Testing
Mechanical and hydraulic assembly, repair, and testing — ensuring every unit leaves the floor verified and ready for service.
Material Handling
Overhead bridge cranes positioned throughout the facility with up to 12.5-ton lifting capacity for safe handling of large weldments and assemblies.
In-House Tooling
CNC and manual equipment for in-house tooling and fixturing capabilities — reducing lead times and keeping your project on schedule.
Request A Quote
Tell us about your project and one of our specialists will respond within one business day.
Major CNC Equipment In Operation
A snapshot of the heavy machining equipment currently running on our floor.
Doosan DBC-130 CX
CNC Horizontal Boring Mills (Qty: 3)
| Spindle Diameter | 5.12" |
| X / Y Travel | 118" / 78" |
| Spindle Travel | 27" |
| Table Load | 33,000 lbs |
Doosan MYNX 5400/50
CNC Vertical Machining Center
| X / Y / Z Travel | 40" / 21" / 21" |
| Spindle | 50 Taper |
| Capability | 4th Axis Milling |
Doosan PUMA 700
CNC Lathe
| Max Turning Ø | 35.4" |
| Turning Length | 63" |
| Chuck | 24" |
| Spindle Bore | 6.5" |
Doosan PUMA 400
CNC Lathe
| Max Turning Ø | 21.7" |
| Turning Length | 42" |
| Chuck | 18" |
| Spindle Bore | 4" |
Doosan PUMA V400
CNC Vertical Lathes (Qty: 2)
| Max Turning Ø | 20" |
| Turning Length | 18" |
| Chuck | 12" |
| Power | 35 HP |
Doosan PUMA GT3100M
CNC Mill / Turn Lathe
| Max Turning Ø | 28.5" |
| Spindle Bore | 4.1" |
| Chuck | 12" |
| Configuration | Mill / Turn |
LOCATED IN FORT WORTH, TEXAS
Top-Quality Well Service Equipment and Services
Our team specializes in providing top-notch well service equipment. From new Frac pump and stimulation equipment sales, service,and repair to parts and accessories. We also provide Frac pump testing, Frac iron certification, Frac hose certification, and hydrostatic testing to 30K PSI, we've got you covered. Plus, our custom trailer manufacturing, welding and fabrication services ensure that you get the exact solutions you require.