Engineering & Design

CUSTOM & TURNKEY ENGINEERING SOLUTIONS

Maddox Industrial Group (MIG) delivers expert engineered solutions for plant maintenance, repair, and operations to clients in the air separation, water/wastewater treatment, food & beverage, pharmaceutical, chemical, specialty chemical, petrochemical, and other industries, and their engineering contractors.

Drawing on over six decades of design, engineering, and construction expertise from the TransTech family of companies, our custom and turnkey solutions are grounded in real world experience and proven capabilities.

Our expertise spans a broad range of engineering disciplines including mechanical, civil, structural, piping, discrete and process engineering as well as electrical, instrumentation and controls.

CONTACT US

Call us today to speak with one of our welding & fabrication specialists: +1 (317) 870-2400 or click to contact us below:

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Integrated Solutions

The MIG team consists of seasoned professional engineers serving a variety of disciplines including piping, mechanical, civil, structural, discrete and process engineering, electrical, instrumentation, and controls. We take a multidisciplinary approach to solving your most complex design challenges.

Our specialists can assist you in all aspects of your engineering and design project—from defining project requirements to specification of all equipment and materials, to ensuring all applicable code requirements are met. Our highly integrated approach that stresses feasibility, constructability, operational efficiency, sustainability, and safety.

All members of our engineering and drafting teams have an intense focus on delivering a high-quality product.
Engineering & Design Software
Our highly-trained engineering professionals are experienced in the following design & engineering software:
- AutoCAD Plant 3D
- HTRI: Thermal analysis of TEMA / Shell & Tube Heat Exchangers
- COMPRESS: Mechanical design of Pressure Vessels, Reactors, and TEMA / Shell & Tube Heat Exchangers
- AME Tank - Rapid configuration, design, and detailing of above-ground storage tanks
- CUSTOM Our own, custom programs developed by our own, expert, in-house teams for the efficient creation of Bill of Materials (BOM) and for providing highly accurate Customer Quotations
- Aspen Shell and Tube (mechanical & thermal)
- PVElite
- Nozzle Pro for finite element analysis
  (FEA)
- Inventor
Process Piping & Tubing
MIG delivers expert process piping engineering design services including:
- Process engineering
- 2D CAD & 3D modeling
- Piping flow diagrams (PFDs) and Piping Instrumentation Diagrams (P&IDs)
- Collect & analyze existing conditions data
- Point cloud collection, to 3D model
- Design Modifications
- Change Management (MOC)
- Piping Materials Specification (PMS)
- Process control design & development
- Process Documents (Equipment & Line List)
- Process Hazard Analysis (PHA)
Learn more about our process piping & tubing installation & maintenance services here.
Tanks, Vessels, & Equipment
MIG's seasoned engineering and drafting teams provide our customers with expert design capabilities for ASME pressure vessels, reactors, TEMA heat exchangers, distillation columns & towers, storage tanks, and a wide variety of other specialty, custom-designed tanks and equipment.

Backed by four decades of experience, our engineering professionals deliver designs to the following industry renowned codes and standards:
- ASME U, U2, U3, and S Certifications
- NBIC Certification
- TEMA Class R, C & B
- API-660, API-650, API-620
- UL-142 Single and Double Wall
- NFPA-22
Air Separation Unit
MIG's expert engineering & design teams deliver expert piping and equipment design solutions to support air separation unit (ASU) service, repair, and relocation. Related capabilities include:
- Process Piping
- Piping
- Structural
- Civil
- Electrical
- Utilities
- Instrumentation & Controls
MIG can design, engineer, and fabricate all ASME pressure Vessels, TEMA heat exchangers, reactors, distillation columns, tanks, and equipment for faster projects and ensured quality. Learn about our fabrication solutions here.
Plant Design
Backed by over four decades of experience, MIG's expert teams offer design and value-added plant engineering services for customers in the air separation, water/wastewater treatment, food & beverage, pharmaceutical, chemical, petrochemical industries, and others.

Every project is designed to suit your unique product specifications, capacity, facility reliability and uptime, electrical, and utility needs, and other requirements
- Process Design & Optimization
- Piping
- Structural
- Civil
- Electrical
- Utilities
- Instrumentation & Controls
MIG can also engineer and fabricate all ASME pressure Vessels, TEMA heat exchangers, reactors, distillation columns, tanks, piping, and equipment for faster projects and ensured quality. Learn about our fabrication solutions here.

End-to-End Services

MIG delivers comprehensive, end-to-end project delivery services from engineering design, fabrication, and test, to logistics, installation, commissioning & startup.

But it doesn't end there - once your project is complete we're there to assist with operator training through ongoing preventative maintenance, repair, overhaul, replacement, relocation-and even final decommissioning, demolition, and removal! Our Services Include: