What We Do

Our Difference

More Than an EPCm Consultant—A Trusted Partner in Performance

Technical expertise is one thing. Seeing the bigger picture? That’s another level.

And it’s what you should expect from Nexus. It’s what sets us apart from every other EPCm firm.

Deep industry knowledge. A business-first mindset. Trust and transformative solutions. It’s how our engineering, procurement, and construction management firm uncovers smart, practical solutions that drive performance, meet your business objectives, and deliver lasting results.

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Supporting the Markets that Support Our Lives 

They power our homes, move our vehicles, and support everything from medicine to technology. These industries shape everyday life—and we know them from the inside out. 

With extensive, hands-on experience in refining, midstream, chemical and industrial manufacturing, power generation, transmission, distribution, and renewable energy, we understand the complexity behind the systems that keep the world running. 

Built on a solid foundation of collaboration, communication, and trust, our approach solves tough challenges, drives progress, and delivers smarter solutions. 

Expert Consultancy from Concept to Completion

It’s all here. And it’s all connected. So whatever stage you’re in — planning, design, procurement, construction management, commissioning, and beyond – we’re ready to lead.

Engineers. Project managers. Procurement pros. Turnaround planners. Every discipline under one roof, working as one project delivery team.

Rooted in real-world engineering insight and a disciplined approach, we bring clarity to complexity, keep projects on track, and deliver solutions that reduce risk and meet your goals.

Real challenges. Real results.

Our Success Stories show how we partner with clients across markets to solve problems, move faster, and hit performance targets.

Testimonials

  • “I wanted to pass a compliment along your way. The general manager was very complimentary of the job that you guys. We appreciate the good work.”
    Manager
    Major Midwest Refinery
  • “I would like to express my appreciation for the preparedness of the Nexus team. You came to the meeting with a well-planned agenda, the presentation was well executed, you’re understanding of the project scope of work was well communicated. My manager even commented on your readiness and execution of the presentation.”
    Manager
    Midwest Chemical Manufacturer
  • “This is my first experience with Nexus and I have to say I’m pretty impressed. I appreciate your time and patience as we worked through this project. Your work product is great.”
    Category Manager
    Major Midwest Refinery
  • "I trust you guys."
    Project Manager
    Major Midwest Refinery
  • “I have had lots of fun working on various projects with Nexus this year, and appreciate all that you do for us.”
    Document Controls Supervisor
    Major Midwest Refinery
  • “Marianne was a significant contributor to this effort and showcased teamwork and excellent performance during this difficult period.”
    Sr. Procurement Specialist
    Major Midwest Refinery
  • “…having a consistent that has applied our lessons learned to each successive project has been a success factor in our start up…”
    Project Manager
    Major Midwest Refinery
  • “You were out there every day and night pushing the work and ensuring the details that are so critical to a reliable, complex control system were being addressed.”
    Refinery Project Manager
    Major Midwest Refinery

Success Stories

Nexus Streamlines Inspection Planning for Successful Refinery Turnaround

Nexus delivered fast, customized inspection planning to help a Midwest refinery meet mechanical integrity goals and succeed in a critical turnaround.

Success Stories

Nexus Transforms Legacy Data for U.S. Refinery’s SAP S4 Migration

Nexus delivers refinery data migration to SAP S4, enabling operational efficiency, cost reduction, and enhanced system integration.

Success Stories

Nexus EPCM Expertise Ensures Chemical Manufacturing Reliability

Expedited Engineering, Procurement & Construction Management Reduce Plant Downtime Overview: A major chemical manufacturer in the Midwest, a U.S. leader in TMP and Penta production,...

Success Stories

Nexus Team Paves Way for Energy Transition with Grid Upgrade Program

Electrification will impact electricity demand in the future and put pressure on the nation’s current electrical grid. Modernizing the grid will be critical to the...

Success Stories

Making the Fuel that Powers Our Everyday Life Cleaner and More Efficient

Through the energy transition, gasoline will remain an affordable energy source that many Americans will continue to rely on. Our Team is working on projects...

Success Stories

Nexus Develops Procurement Strategy to Support Critical Turnarounds

Nexus implemented a successful procurement strategy and built a support team to prepare a major Midwest refinery for several critical turnarounds.

Success Stories

Manufacturing Client Taps Nexus to Support Capacity Expansion Project

Nexus provides design to integrate new equipment into an existing operation that will expand production capacity and manufacturing capabilities for a client delivering key components...

Success Stories

Nexus Increases Safety and Reduces Environmental Emissions Through Replacement Equipment Design

The Nexus Team developed a design to replace the propane compressor for a major refining client in the Midwest to reduce emissions, increase safety, and...

Success Stories

Innovative Design Overcomes Wind Challenges in FCC Furnace

Design Innovation Enhances Stability of FCC Furnace Draft Pressures by Mitigating Wind Effects.

Success Stories

Paint Manufacturing Client Engages Nexus for Capacity Expansion Project

Nexus team created a design that implemented proprietary equipment into a preexisting process.

Success Stories

Nexus Improves Reliability of Midwest Power Grid

Nexus team improved the reliability of the Midwest power grid by utilizing reclosers in their substation design.

Success Stories

Nexus Completes Multi-Level Substation Design Project

Nexus team replaced an antiquated substation unit for increased reliability and safety with reduced operational costs for a chemical processing client.

Success Stories

Equipment Upgrades Lead to Reliable Increase in NiSat Production Capacity

Nexus Team conducts a structural analysis to ensure capacity increase is safe and reliable.

Success Stories

Nexus Salvages Capacity Expansion Project

Strong client relationships, effective communication, and flexibility contribute to success of a unique project.

Success Stories

High Quality Project Cost Estimate Leads to Successful Outcome

Nexus' approach ensures that the Project cost estimate were completed ensuring that the project scope and execution plan are thoroughly and accurately reflected.

Success Stories

Nexus Installs N20 Abator Vessel to Support Client’s Sustainability Program

Nexus supports client's sustainability program through the installation of N2O abator vessel to reduce greenhouse gas emissions and meet GHG targets.

Success Stories

Nexus Supports Renovation at Ohio Manufacturing Site

Nexus's Project Services Team provides project controls, scheduling, and estimating expertise for indefinitely recyclable beverage can manufacturer.

Success Stories

Nexus Designs Fuel $350MM In Green Hydrogen Development Projects

Nexus is supporting clients in the development and construction of new green hydrogen production facilities in the Northeast and Southern United States.

Success Stories

Nexus’s Expertise Powers Renewable Natural Gas Projects Utilizing Agricultural Waste and Landfill Gas

A renewable energy client is advancing a 5-year, 20-unit development project that will convert animal and agricultural waste into renewable energy.

Success Stories

Nexus Advances Sustainability Agenda with 15MW Combined Heat and Power Development

Nexus team proposed two 7.5MW Combustion Gas Turbines and Heat Recovery Steam Generators to add greater efficiency, reliability and resilience.

Success Stories

Nexus Collaborates with Client Team to Complete Elastomer Expansion

Nexus collaborated with a Healthcare Industries Material Site (HIMS) process team to define final design using Plant 3D and facilitate equipment procurement.

Success Stories

Nexus Design Mitigates Cation Plant Environmental Emissions

Nexus advised on emissions mitigation for a Central US water treatment system's cation plant using state-of-the-art CAD 3D modelling.

Success Stories

Nexus Consults on Black Start of Generating Station

Nexus provided consulting engineering for the black start of a Western US generating station using a 12MWh battery energy storage system.

Success Stories

Nexus Offers Grid Support with Battery Energy Storage System (BESS)

Nexus provided a Western USA client with technical expertise and services for grid support using an 80MWh battery energy storage system.

Success Stories

Nexus to Perform Power System Upgrades as part of Major Airport Expansion

Nexus has been selected by one of its power generation clients to perform the engineering for a power systems upgrade to the adjacent substation that supplies electricity to a...

Success Stories

Nexus Selected as Supplier of Choice for Generating Company’s Fleet-wide Arc Flash Assessment

Nexus Engineering Group has been identified as the supplier of choice to perform arc flash and coordination studies for one of America’s premier power generating...

Success Stories

Nexus Assists with CO Boiler Replacement for Major Refinery Client

A major midwestern refinery requests support from Nexus to replace a CO Boiler after experiencing three unplanned shutdowns in the past five years. The unplanned...

Success Stories

Nexus Assists with HDN Recycle Compressor Improvements at Major U.S. Refinery

The objective of the project was to replace the aging and inefficient HDN Recycle Compressor with the least amount of deconstruction to its existing location....

Success Stories

Nexus Supports Maintenance Shop Replacement

Major Nexus client seeking safety and efficiency improvements in new maintenance shop building on 12-acre site. Nexus was asked to assist in replacing on-site maintenance...

Success Stories

Nexus Helps Create Safety Sub-Committee at BP Husky Refining

Nexus helps to create the “United in Safety” sub-committee at BP Husky Refining in Toledo to improve electrical safety culture. In 2015, BP Husky approached...

Success Stories

Nexus Helps Refinery Implement Supplemental Hydrogen Compression Solution

Nexus works effectively with refinery team by providing temporary compression solution to capture lost margin. An unplanned refinery unit outage resulted in a nine to...

Success Stories

Nexus Improves Award-Winning Drumming Facility Safety; Optimizes Product Logistics

Lubrizol Painesville Township facility project received an Ohio Chemistry Technology Council Award in 2018. Nexus helped the award-winning project improve safety and optimize product logistics....

Success Stories

Nexus Rebuilds Hydrocracker Furnace

Inspection indicated signs of creep stress and deterioration in radiant and convection sections of furnace. A client’s inspection of the 1960’s vintage furnace identified that...

Success Stories

Nexus Improves Manufacturing Process Control and Productivity

Global specialty product producer seeking manufacturing improvements to their quality output. Improving product quality and production capacity were the goals of a global manufacturer of...

Success Stories

Optimizing Warehouse Operations

Nexus team analysis aids specialty chemical company. Looking to improve efficiency and its capabilities, a global specialty chemical company asked Nexus to optimize the operations...