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    Design & Engineering Services

Design & Engineering


TransTech Energy is a leading provider of natural gas production and processing equipment; and natural gas liquids storage & handling solutions across all stages of oil and gas production, processing and distribution.

Our expert in-house design, engineering, fabrication and construction teams deliver a complete array of engineering projects to support all aspects of NGL & LPG storage and handling operations from wellhead to burner tip.

From transport loading/unloading, pumping, and metering solutions to complete NGL or LPG truck, rail or marine terminal or bulk storage plant installation, our experienced team of engineering specialists can offer you a broad range of options from fast-ship standard solutions to fully custom engineered and constructed projects delivered to your exact specifications.

Through our subsidiary, TransTech Fabrication and our EPC partner network, we also deliver turnkey and custom solutions for all ASME pressure vessel and production equipment needs for oil and gas production and processing—all backed by decades of experience serving upstream, midstream and downstream oil and gas markets.


Our team of engineers and designers will assist you in defining project requirements, specification of all equipment and materials, ensuring all applicable code requirements are met and obtaining local permits. Additionally our field service professionals are ready to assist with installation, construction, start-up and commissioning.

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

In conjunction with our extensive service offerings, we’re able to deliver seamless project execution from conceptual design through all phases of engineering, fabrication, delivery and installation, start-up and commissioning.

The TransTech Energy team brings seasoned oil and gas experts supported by some of the most knowledgeable, dedicated field service crews you’ll find to every project. Our experience and tenure in the industry are unmatched and we stand behind all our products and services with some of the most highly regarded warranties in the industry.


We have completed some of the largest and most complex NGL & LPG storage and handling infrastructure projects for some of the most prominent global corporations. Our engineers combine experience with ingenuity to provide you with innovative, cost-effective solutions to your most challenging project demands.

With fabrication facilities in McGregor, Texas, and offices in Rocky Mount, North Carolina and Chagrin Falls, Ohio, we offer the capabilities, capacity and flexibility to meet the diverse needs of our customers across producing regions worldwide.


Based on the nature of your project, engineering services may include some or all of the following:

Basic Engineering Design (BED)

  • Site specific conditions evaluation /feasibility studies
  • Conceptual process design
  • Preliminary equipment specification
  • Preliminary P&IDs
  • Modeling & simulation
  • Process flow diagrams
  • Preliminary piping specification
  • Preliminary instrumentation specification including control valves, flow instruments, level instruments, pressure and temperature gauges, relief devices
  • Control & safety device definition
  • Preliminary / Front End Engineering Design (FEED)

Further development of basic engineering

  • Preparation of equipment data sheets
  • Codes and regulations specification
  • Finalized P&IDs
  • Piping, instrumentation, electrical & civil work layouts
  • Evaluation of all options to determine best ROA (return on assets)
  • Final project scope definition and preliminary cost estimates
  • Detailed Engineering Design

General arrangement drawings for all fabricated items

  • Detailed instrument and control valve specifications
  • 3-D modeling
  • Intelligent P&IDs
  • Test requirements
  • Material selection and procurement
  • Equipment pricing and procurement
  • Final project schedule & cost projections
  • Commissioning & startup procedures


Contact us today to speak with one of our engineering experts to learn how we can help with your next project: 254-840-3355

Our expert engineering, fabrication and construction teams deliver end-to-end solutions from storage vessel fabrication to turn-key terminal & storage plant construction
—and everything in between.

Request a Quote

For expert installation and predictable schedules,
let TransTech build your terminal for you.
We’ll complete your project from start to finish, including training, commissioning & startup. One invoice. One point of contact.

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Just Some of Our Available Terminal Features Include

  1. MC331 NGL/LPG Transports
  2. Standard or Custom designed Transfer Skids
  3. Rail Car Loading/Unloading
  4. Field Erected Access Platforms
  5. Product Control Valves
  6. Pressure Relief Valve Systems
  7. Vessel Instrumentation
  8. Product Isolation Valves
  9. Interconnecting Piping per ASME B31.3
  10. High Capacity Pumps
  11. Vapor Compressors for Product Transfer
  12. Ship & Barge Loading/Unloading
NFPA 58 API 2510 Information Kit

Are Your Bulk Plants & Terminals Compliant?

Learn what you need to know to get compliant - with our FREE Information Kit!

Download our free NFPA 58 & API 2510 Compliance Kit today to receive:

  • NFPA 58 and API 2510 Guidelines Overview
  • Step-by-step tank inspection Photo Guide
  • Internal & external valve upgrades cost estimates
  • More...
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FREE Sample Project

Let us share similar scope terminal and plant construction project specs with you!!

Request your complimentary sample project today to receive:

  • A complete sample project budget
  • Sample P&ID
  • Project Quote
  • More...
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