Machine Link™
Fast, reliable CNC/DNC file transfer software that streamlines sending and receiving CNC programs via RS-232 serial communications. Easy to configure, edit, print, upload, and download CNC program files for any machine in your shop.
Controlink Systems LLC delivers proven shop floor control software trusted by manufacturers across the U.S. since 1998. From CNC/DNC file transfers to full shop-floor automation, our solutions reduce scrap, eliminate costly downtime, and keep machinists focused on making parts—not walking the floor. Discover software built by engineers who truly understand machining.

Explore our full range of CNC/DNC communication, shop-floor automation, and process monitoring solutions built for real manufacturing environments.
Fast, reliable CNC/DNC file transfer software that streamlines sending and receiving CNC programs via RS-232 serial communications. Easy to configure, edit, print, upload, and download CNC program files for any machine in your shop.
Shop-floor automation software that lets machinists request CNC files remotely without leaving their machines. Continuously monitors CNC controls for file requests and serves the latest engineering-approved files directly back—boosting productivity and reducing scrap.
Enterprise-grade shop-floor automation supporting up to 64 simultaneous CNC communication sessions from a single computer. Remotely manage an entire facility's CNC tools, eliminate floor-walking, and keep engineering in full control of program integrity.
Mobile CNC/DNC file transfer software running on a Pocket PC for maximum shop-floor mobility. Supports all standard character sets (ASCII, ISO, EIA), drip feeds most CNC machines, and communicates with every control in your shop—all from your pocket.
Real-time data collection software combining time and frequency domain analysis for vibration monitoring, process control, and modal testing. Available in DAQ, VIBS, and LAB & MODAL configurations using NI hardware for critical manufacturing environments.
Custom software and hardware engineering solutions for process monitoring, system control, end-of-line testing, and shop-floor automation. Controlink integrates SQL databases, PLC hardware, motion controllers, and industrial protocols to build tailored manufacturing Controlinks.
Controlink Systems LLC has been solving real manufacturing challenges since 1998, delivering software that works the way machinists work. Whether you're managing a handful of CNC machines or an entire production facility, our shop floor control solutions eliminate manual inefficiencies, ensure machinists always run the latest engineering-approved programs, and give management real-time visibility. Trusted by industry leaders like 3M, Kodak, and Oak Ridge National Laboratory, our tools are designed with everyday shop environments in mind.

See how manufacturers across the U.S. have boosted productivity and reduced scrap with Controlink solutions.
For over 25 years, we've combined deep machining expertise with powerful software engineering to solve the toughest shop-floor challenges.
Delivering CNC/DNC and shop-floor automation solutions since 1998, trusted by manufacturers across the United States.
Certified NI Partner Network member since 2000, providing best-in-class hardware and software integrations for U.S. manufacturers.
Every product is developed with the everyday shop in mind—by engineers who understand CNC machining, not just software.
Trusted by global industry leaders including 3M, Kodak, and Oak Ridge National Laboratory for critical manufacturing environments.
A passionate team of engineers dedicated to solving manufacturing's toughest challenges.
Founded in 1998 in Lawrenceburg, Indiana, Controlink Systems LLC began with a single mission: to build software solutions that genuinely work for the everyday machinist. Over 25 years, we've grown from a CNC/DNC communications specialist into a full-service, products-based engineering company serving manufacturers nationwide—from small job shops to Fortune 500 companies. Our work earned recognition from The Timken Company in 2000 for innovative software that enables machines to store and share information. As a proud NI Partner Network member since 2000, we bring together machining expertise, software engineering, and hardware integration to deliver solutions that run continuously in demanding U.S. shop environments—keeping machines running, operators focused, and businesses competitive.
Shop floor software is a category of manufacturing tools that manage, automate, and monitor production activities directly on the factory floor. This includes CNC/DNC file transfer programs, machine monitoring systems, and automation tools that ensure machinists receive the correct programs, reduce scrap, minimize downtime, and give engineering real-time visibility into production status.
Speak directly with our engineering team for a no-obligation consultation and product recommendation.
Certified NI Partner providing hardware and software solutions since 2000.
Featured in Timken Exchange for innovative DNC software in 2000.
Trusted shop-floor automation software provider since 1998.
Fill out the form below and one of our engineering specialists will reach out to discuss the right solution for your CNC environment. Most inquiries receive a response within one business day.
For immediate assistance, feel free to give us a direct call at (800) 838 3479 You can also send us a quick email at support@controlinksystems.com
For immediate assistance, feel free to give us a direct call at (800) 838 3479 You can also send us a quick email at support@controlinksystems.com