One call. Every discipline handled.
Nexus Engineering LLC is a single point of contact for facility projects — design, construction, automation, and validation — so you're never coordinating separate firms for separate pieces of the same building.
Different industries. The same accountable delivery model.
Deep pharmaceutical and nutraceutical manufacturing expertise — API, OSD, injectable/sterile, and nutraceuticals — alongside general industrial and infrastructure work. Every sector runs through the same design, build, and commissioning process; only the compliance framework changes.
Chemical & Process
Process piping, reactor and tank farm design, and hazardous-area electrical classification.
API Manufacturing
Active Pharmaceutical Ingredient plants — reactor trains, synthesis and purification suites, and solvent recovery under full cGMP and hazardous-area design.
cGMP · ATEX / Hazardous Area
OSD Manufacturing
Oral Solid Dosage facilities — granulation, compression, coating, and blister/bottle packaging lines with dust containment and material flow segregation.
ISO 8 · Dust Containment
Injectable & Sterile Manufacturing
Aseptic fill-finish and sterile injectable facilities — Grade A/B filling cores, lyophilization, isolators, and full aseptic process validation.
ISO 5–7 · Grade A/B
Nutraceuticals
Vitamin, supplement, and functional-food facilities — powder blending, encapsulation, and tableting lines built to GMP and food-safety standards.
GMP · FSSC 22000
Food & Beverage
Sanitary process design, hygienic zoning, and HACCP-aligned production and packaging lines.
Energy & Utilities
Power distribution, substations, water/wastewater treatment, and utility infrastructure.
Industrial Manufacturing
Production facility layout, material handling, and heavy mechanical & electrical installation.
Infrastructure
Civil and structural works, warehousing, logistics facilities, and site development.
What changes when one team owns the whole schedule.
Four things clients tell us they didn't get from a design-bid-build arrangement — and get by default from a turnkey one.
Single-Source Accountability
One contract covers design, construction, and qualification — no finger-pointing between firms when a system doesn't perform.
Regulatory-Ready Documentation
Validation packages are built alongside construction, not assembled after the fact under inspection pressure.
Cross-Sector Bench Strength
Engineers who've built cleanrooms and process plants bring lessons across sectors that single-industry firms miss.
Schedule-Driven Execution
Design, procurement, and construction phases overlap deliberately, compressing timeline without cutting scope.
One contract. One team accountable for the whole facility.
Nexus Engineering LLC is an EPCM firm built around a single idea — the design firm, the builder, and the commissioning team should be the same team.
Most facility projects fail at the handoffs — between the designer, the contractor, and whoever is left to make the systems actually work. We remove the handoffs. Our engineers, construction managers, and commissioning specialists carry every project end to end, whether it's a cGMP cleanroom or a process plant, under one scope, one schedule, and one point of contact.
The Usual Way
Separate contracts, separate schedules — you carry the coordination risk between them.
With Nexus
One contract, one schedule — Nexus carries the coordination risk internally.
What "turnkey" covers, in practice.
Every discipline a facility project needs, coordinated under a single schedule instead of six separate ones — scaled to the sector's regulatory requirements.
Process & Facility Engineering
PFDs, P&IDs, mass and energy balance, equipment sizing, and facility layout built around your process, not a generic template.
Cleanrooms & Controlled Environments
ISO 14644-classified cleanrooms, hygienic process zones, HVAC, and utility systems for regulated or sanitary manufacturing.
Construction & Installation
Civil, structural, mechanical, electrical, and process piping — self-performed or managed under one construction schedule.
Automation & Controls
BMS, EMS, PLC, and SCADA architecture, built for data integrity and compliant with sector-specific control standards.
Commissioning & Qualification
Startup, functional testing, and — where regulated — full IQ/OQ/PQ and cleaning/process validation.
Regulatory Support
Documentation and audit readiness for FDA, EU, OSHA, and other sector-specific inspection bodies.
Six phases, one accountable schedule.
The same sequence runs across every sector we work in — each phase overlaps the next so nothing waits idle on a desk.
Concept & Basic Engineering
Process definition, capacity study, site and utility assessment.
Detailed Design
P&IDs, facility layout, HVAC and utility design, equipment specification.
Procurement
Long-lead equipment, vendor selection, factory acceptance testing.
Construction
Civil through process piping, managed on one integrated schedule.
Commissioning
System startup, functional testing, and space or system certification.
Validation & Handover
Qualification execution and documentation handover, ready for operation.
The facility types we're built to deliver.
Nexus is structured to take on projects like these end to end — one team, one schedule, across the full facility lifecycle.
Active Pharmaceutical Ingredient Plant
Multi-purpose reactor train with solvent recovery and hazardous-area classified process piping, built for a mid-size API producer scaling from pilot to commercial batch volumes.
- Front-end engineering design & process simulation
- Reactor train, solvent recovery & distillation skids
- ATEX Zone 1/2 electrical classification
- cGMP qualification & commissioning support
OSD Manufacturing & Packaging
Granulation, compression, and coating suites with dust containment and material flow segregation, plus a downstream blister and bottle packaging line integrated into a single continuous layout.
- Room-by-room dust containment & airflow design
- Granulation, compression & coating equipment layout
- Blister & bottle packaging line integration
- Material and personnel flow segregation
Aseptic Fill-Finish Suite
Grade A/B fill-finish line with isolators, supporting Grade C/D gowning, and material airlocks — delivered with a full aseptic process simulation and media fill program ahead of licensure inspection.
- Grade A/B isolator-based filling line design
- Gowning suites & material/personnel airlocks
- Lyophilization & visual inspection integration
- Aseptic process simulation & media fill support
Beverage Production & Packaging Plant
Sanitary process lines with CIP systems and hygienic zoning for a high-throughput bottling facility, including cold storage and palletized warehouse handoff.
- Sanitary process piping & CIP/SIP systems
- Hygienic zoning & washdown-rated finishes
- High-speed filling & packaging line layout
- Cold storage & palletized warehouse handoff
Specialty Chemical Process Plant
Reactor train, tank farm, and hazardous-area classified process piping and instrumentation, engineered for a specialty chemical producer expanding batch capacity on an active site.
- Reactor train & tank farm process design
- Hazardous-area electrical classification
- Process piping & instrumentation (P&ID) design
- Live-plant tie-in & phased construction sequencing
Manufacturing Plant & Utility Yard
Production facility with material handling, power distribution, and site infrastructure, scoped as a single turnkey package from site development through equipment start-up.
- Site development, civil & structural works
- Material handling & production floor layout
- Power distribution & substation tie-in
- Utility yard, warehousing & logistics infrastructure
Handover isn't the end of the relationship.
Facilities drift out of qualified state without upkeep. We stay on as the sustaining engineering partner after handover — running maintenance and keeping the right spares on hand, so a failed part doesn't become a production stoppage.
HVAC Performance Validation
Airflow, room pressurization cascade, and HEPA filter integrity (DOP/PAO) testing.
Instrument Calibration
Traceable calibration of temperature, pressure, humidity, and flow instrumentation.
Periodic Requalification
Scheduled IQ/OQ/PQ requalification for cleanrooms and classified process systems.
Utility Monitoring & Alarms
Continuous monitoring and alarm management for HVAC, WFI, and clean gas systems.
Cleaning & Disinfection Validation
Efficacy studies and revalidation of cleaning and disinfection protocols.
Preventive & Corrective Maintenance
Scheduled AMC/CMC coverage for mechanical, electrical, and utility systems, plus rapid corrective repair.
Spare Parts Inventory & Warehousing
Critical spares stocked, tagged, and kitted on-site or at a regional store for fast turnaround.
OEM Spares Sourcing & Procurement
Direct OEM and cross-reference sourcing for legacy, long-lead, and hard-to-find components.
Lifecycle & Obsolescence Planning
Equipment condition tracking and replacement forecasting before end-of-life becomes a shutdown risk.
24/7 Emergency Breakdown Support
Rapid-response service for critical utility or classified-space system failures.
Support plans are scoped alongside the original project or added to an existing facility.
Request a Service PlanTell us what you're building. We'll scope the whole project, not just a piece of it.
Send your process requirements, target capacity, sector, and site details — we'll return a preliminary scope and schedule.
info@nexusengineeringllc.com+1 (302) 763-2181 · 5724 W Central Park Dr, Middletown, DE 19709