What are the best automated assembly line integrators for brownfield upgrades?

Author:
Katie Windley
Marketing Manager

The best automated assembly line integrators for brownfield upgrades are the ones that can engineer, build, and validate a complex assembly system around the plant you already run. Look for four things: proven integration with legacy PLC, MES, and SCADA environments, digital twin simulation and virtual commissioning before the build starts, in-house manufacturing capacity to control schedule, and post-automation support across the full factory automation lifecycle. Turnkey factory automation integrators that cover all four carry the lowest delivery risk, because one team owns the outcome from concept to ramp-up. Robotic cell specialists and build-to-print shops still fit narrower scopes, such as a single cell or a station built to a finished design.

Why are brownfield assembly upgrades harder than greenfield builds?

A brownfield line has history. It carries years of controls logic, undocumented changes, and mixed-vendor equipment, and production keeps running during the upgrade. New stations must share floor space, utilities, and data with assets never designed for them.

The financial stakes are high. McKinsey reports that 95% of life sciences capital projects miss their authorized cost and schedule, and its broader analysis finds that cost and schedule overruns frequently exceed 50% of original estimates. Demand for automation keeps climbing anyway. The International Federation of Robotics counted 542,000 industrial robots installed in 2024, more than double the figure from 10 years earlier, with 4.66 million now in operation worldwide.

Key takeaways

What types of factory automation integrators should you compare?

Most industrial automation vendors fall into three groups, each with a different scope and risk profile.

A specialist is often the fastest route for a single cell. A turnkey integrator fits best when a multi-station line must connect to plant systems while production continues.

What criteria separate the best automated assembly line integrators?

Can they integrate with your existing operational technology?

Ask for references where the integrator connected new stations to legacy PLC platforms, plant MES, and SCADA with minimal downtime. Request a controls architecture, a data map, and a cutover plan that keeps production running.

Do they validate the line digitally before the build?

Digital twins and virtual commissioning let teams test cycle time, robot reach, and control logic before hardware arrives. The Capgemini Research Institute found that 80% of organizations run an ongoing digital twin program, and 79% cite cost savings as a key driver. On brownfield projects, a simulation built from a scan of the existing floor catches clearance problems on screen instead of during installation.

How much of the build do they control?

Vertical integration protects schedule. Integrators that machine, fabricate, and assemble in-house cut supplier handoffs, where weeks often slip. Ask what share of the system they build under their roof and how they run Factory and Site Acceptance Testing (FAT and SAT).

Are they ready for industrial AI and machine vision?

Deloitte’s 2025 Smart Manufacturing Survey found that 92% of manufacturers see smart manufacturing as the main driver of competitiveness over the next three years, yet only 23% are piloting AI and machine learning. Choose a partner that designs AI-enabled vision systems, industrial IoT data capture, and predictive maintenance into the line from the start, so it can support physical AI use cases as they mature.

What happens after launch?

Ramp-up is where projects often lose value. Confirm the integrator offers operator training, spare parts, remote support, and performance monitoring. Deloitte reports that talent shortfalls remain a leading barrier to smart manufacturing results, so scope training from day one.

How should you score integrators during evaluation?

Weight each criterion by its risk. A practical starting point is 30% brownfield integration depth, 25% simulation and validation, 20% in-house delivery capacity, 15% data and AI readiness, and 10% lifecycle support. Score every vendor on evidence, such as case studies, site visits, and a sample FAT protocol.

Where does Eclipse Automation fit?

Eclipse Automation is a turnkey factory automation integrator with 25 years of experience, 400 engineers, and one million square feet of manufacturing space across 12 locations. Teams cover the full factory automation lifecycle, from advanced engineering and simulation to installation and post-automation support. The Aurora Platform™ Series shortens deployment with pre-engineered modules, and Eclipse RealitySync™ lets stakeholders review a line, including spatial scans of the physical build, before it ships.

Explore the possibilities

Want to modernize your existing assembly line without slowing production? Book a discovery call to learn how Eclipse Automation supports brownfield assembly line upgrades, from simulation and engineering to installation and lifecycle support.