Expert PLC programming services
Precision Automation Starts with Clean, Reliable Code
We deliver expertly crafted PLC programming solutions that keep your machines running smoothly, safely, and efficiently. Whether you’re starting a new project or upgrading legacy systems, our team of automation specialists ensures your control logic is optimized for performance, reliability, and maintainability.
Custom PLC logic development
Tailored control programs built from scratch to match your exact process needs.
PLC upgrades & retrofits
Modernize outdated or proprietary systems with robust, scalable code.
HMI/SCADA integration
Seamless interface design and communication with your PLC systems.
Debugging & optimization
Identify bottlenecks, remove inefficiencies, and improve runtime performance.
Simulation & testing
We validate every line of code using simulation tools or factory acceptance testing (FAT) to reduce on-site commissioning time.
Multi-platform expertise
Allen-Bradley (Rockwell), Siemens, Schneider, Omron, Mitsubishi, and more.
Trusted Across Multiple Sectors
Pharmaceuticals & Life Sciences
cGMP-compliant FS/FAT/SAT
Food & Beverage Production
Batch process and traceability
Water, Waste Water & Infrastructure
Water treatment and SCADA systems
OEM Machinery & Equipment
Robotics and conveyor automation
Warehousing & Logistics
ASRS and AMR system documentation
Why Us?
Experienced developers
Our programmers bring decades of hands-on field experience with real-world systems.
Platform agnostic
We’re fluent in multiple brands and architectures, giving you flexibility.
Reliable, modular code
Structured programming using ladder logic, function blocks, and SFC for easier troubleshooting and future expansion.
Fully documented
Clean, annotated code delivered with detailed function specs, I/O maps, and version tracking.
Commissioning support
On-site or remote commissioning assistance available worldwide.
How We Work
Automation & controls start with the right partner
CTH Controls delivers intelligent, integrated solutions — backed by decades of experience in process, power, and environmental control.
GET STARTEDSYSTEM Integration
Electrical, programming and mechanical system integration.
PLC Programming
Rockwell Allen-Bradley, Siemens and Automation Direct.
Validation
CFR21 Part 11 and AMS2750 documentation and validation.
Panel DESIGN
AutoCAD electrical and mechanical drawings.
Repair
Expert repair services for industrial control systems.
Calibration
Precision calibration services for industrial instruments.