Cygnet Controls — Industrial Automation, Control Panel Fabrication & Process Simulators in Darien, IL

Control panel fabrication at the Cygnet Controls facility
Design & Fabrication
Panels Built to Last
UL-listed control panel fabrication designed for demanding industrial environments. From motor control centers to custom enclosures — every panel is designed, wired, and tested in our Darien, IL facility.
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Stainless steel process control panel
Engineering & Programming
Control Systems Engineered Right
PLC, DCS, and SCADA programming from experienced engineers who understand the plant floor. From new system design to legacy upgrades — we deliver solutions that work the first time.
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Portable suitcase process simulator
Simulators
Simulate the Real Process
Precision process simulators for technician training, debugging, system commissioning and sales demonstrations. Standard products and fully custom designs — suitcase, desktop, wall mount, and workstation formats.
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Who We Are

Built on the Plant Floor

Cygnet Controls is an industrial automation and control engineering firm based in Darien, Illinois. We design, fabricate, and program control systems for some of the most demanding process environments in the country — from petrochemical facilities to municipal water systems to pharmaceutical manufacturing.

Every project we take on is approached with the same commitment: engineer it right, build it to last, and stand behind it. Whether you need a single-panel fabrication or a multi-site automation rollout, you get the same senior-level attention from first concept to final commissioning.

25+
Years in Business
UL
Listed Panel Shop
USA
Manufactured
Engineering First
Every project starts with a thorough engineering review — no shortcuts, no guesswork.
In-House Build
Design and fabrication under one roof in Darien, IL — full accountability start to finish.
Custom Capable
No two plants are the same. We design to your process, not the other way around.
Long-Term Partner
We support what we build — from commissioning through long-term maintenance.
What We Do

Our Services

Design &
Fabrication
UL-listed control panel fabrication for industrial process applications — designed, built, and tested in our Darien facility.
  • Motor control centers
  • Process control panels
  • Custom enclosures
  • Factory acceptance testing
  • UL 508A listed shop
Engineering &
Programming
PLC, DCS, and SCADA engineering from experienced automation professionals. New systems, legacy upgrades, and everything in between.
  • PLC programming (AB, Siemens, Modicon)
  • DCS configuration & checkout
  • SCADA / HMI development
  • Loop tuning & commissioning
  • Legacy system migration
Simulator
Design
Precision process simulators for training, debugging, system commissioning and sales demonstrations. Standard products and fully custom designs available.
  • 4–20 mA signal simulators
  • TC / RTD temperature simulators
  • Multi-channel process trainers
  • Custom from-scratch designs
  • All 4 platform formats
Project Portfolio

Our Work

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Petrochemical · DCS
Refinery DCS Acceptance Test Rig
48-channel loop simulator for Honeywell Experion DCS FAT — Gulf Coast facility startup
Featured Project · Workstation Format
Refinery DCS Acceptance Test Rig
Process Control Panel
Custom MCC design and fabrication for municipal water treatment upgrade
Design & Fabrication
Process Control Panel
PLC System Upgrade
Legacy migration from PLC-5 to ControlLogix with full SCADA redevelopment
Engineering & Programming
PLC System Upgrade
Portable Field Simulator
Ruggedized suitcase simulator for nuclear plant I&C maintenance training
Simulators · Suitcase Format
Portable Field Simulator
Training Lab Stations
48-unit desktop simulator fleet deployed across 12 technical college campuses
Simulators · Desktop Format
Training Lab Stations