Industrial Automation Parts Supplier Serving Longmont, CO
Many Longmont plants run three generations of controls at once, from relay panels to Ethernet PLCs. PLC Department helps you source automation parts across that entire mix, keeping production stable while you upgrade on your own schedule.
Can’t find your part? Our sourcing team specializes in hard-to-find and obsolete SKUs.
Access millions of automation parts through a single point of contact
- Best price and lead time, found for youWe compare availability across 5,600+ supply partners plus our own inventory, and quote the strongest option.
- Obsolete & hard-to-source componentsOur procurement network locates discontinued and legacy SKUs other channels no longer support.
- Clear, comparable quotesCondition, quantity, lead time and warranty spelled out in one straightforward format.
- Less risk, faster decisions1-year warranty on tested units, and real people on the phone before you commit a PO.
Industrial Automation Brands We Stock
Browse Every Brand & Category
Crawl the full catalog by manufacturer. Every line links to live inventory you can order today or quote for sourcing.
Need a Different Brand?
Our sourcing team quotes 250+ manufacturers across 5,600+ supply partners, including obsolete and discontinued lines.
Quotes, POs & Support
Serving Longmont, co Facilities
Longmont industry resources: Longmont Area Chamber of Commerce · Longmont Economic Development Partnership · City of Longmont – Business & Economic Development

Line down? Need an obsolete or hard-to-find part?
Our sourcing team locates tested surplus, new-open-box and discontinued automation components — including legacy series no longer available through authorized channels.
Request a QuoteBuilt for Maintenance & Procurement Teams
Independent Supplier
New surplus, new-open-box and refurbished parts — including brands and legacy series authorized channels no longer stock.
Tested & Warrantied
Parts are inspected, condition-graded on every listing, and covered by a 1-year warranty.
PO-Friendly
Company purchase orders accepted, formal quotes on request, and documentation for your AP department.
Speed When It Counts
Overnight and expedited options for line-down emergencies — contact us and we’ll confirm the fastest route.
Shipping to Longmont, co
Frequently Asked Questions
How fast can you ship PLC and HMI parts to a plant in Longmont, Colorado?
Can you help our Longmont facility find obsolete Allen Bradley or Siemens modules from older lines?
Do you accept purchase orders from electronics manufacturers in Longmont and nearby suburbs?
What warranty do Longmont beverage plants receive on tested surplus drives and PLCs?
Can you supply documentation for accounts payable at our Longmont facility?
Communities We Serve Around Longmont, co
Firestone
Frederick
Mead
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PLC Department is an independent supplier of industrial automation parts. We are not an authorized distributor, affiliate, or representative of Rockwell Automation, Allen-Bradley, Siemens, Omron, FANUC, Mitsubishi Electric, Schneider Electric, or any other manufacturer referenced on this page. All product names, trademarks, brands and logos are the property of their respective owners and are used for identification purposes only. Product availability and delivery estimates are confirmed at the time of order.