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Free Ground Shipping | Overnight Shipping Available | Texas-based company, and all shipments come from the USA
(833) 800-7748

Industrial Automation Parts Supplier Serving Concord, CA

Unplanned downtime in Concord, CA refineries, fabrication shops, and construction projects gets expensive fast. PLC Department helps you change that math with fast sourcing of PLCs, drives, HMIs, and controls, including hard-to-find and obsolete parts.

1-Year WarrantyEvery part covered
Tested Surplus& new-open-box, graded
POs AcceptedQuotes & documentation
Overnight OptionsFor line-down emergencies
U.S.-Based Support9AM–6PM EST, live chat
PLC Department sourcing team member

Can’t find your part? Our sourcing team specializes in hard-to-find and obsolete SKUs.

One Sourcing Partner

Access millions of automation parts through a single point of contact

64,000+Parts in stock now
5,600+Vetted supply partners
250+Brands quoted
  • 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.
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Industrial Automation Brands We Stock

Full Directory

Browse Every Brand & Category

Crawl the full catalog by manufacturer. Every line links to live inventory you can order today or quote for sourcing.

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Quotes, POs & Support

Local Support

Serving Concord, ca Facilities

When a control card fails on a refinery unit or a drive trips on a test stand, every lost hour in Concord can run into thousands of dollars in labor, penalties, and missed targets. The big cost is usually not the part itself, but the time spent searching for a replacement or waiting for a long lead from the OEM.

PLC Department supports Concord petroleum, energy support, and automotive and aerospace equipment shops by shortening that search. From our Texas base we ship nationwide, supplying PLCs, HMIs, VFDs, servo drives, and I/O from brands like Allen‑Bradley, Siemens, Mitsubishi, Omron, Schneider, and GE Fanuc. You send us the part number, photos, or a cut sheet, and our sourcing team tracks down in‑stock, tested surplus or new‑open‑box units from our US inventory and supply network.

For Concord machine shops, fabrication houses, and test facilities building or maintaining transportation and aerospace components, controls issues usually show up as quality problems or missed delivery dates. A failing safety relay on a press line in Martinez or a dead HMI on a custom rig in Clayton can stall an entire job. We help keep projects moving by finding direct replacements or compatible alternatives for discontinued PLC CPUs, communication modules, drive boards, and specialty motion parts.

Construction contractors and industrial electricians around Pacheco and the wider Concord area use us when they need specific automation hardware to match an existing design or to keep a retrofit on schedule. Instead of redesigning panels around what is available from a catalog, they send PLC Department the legacy SKU list and let us chase down the exact series and firmware where possible. We provide formal quotes, accept purchase orders, and back tested surplus and new‑open‑box hardware with a 1‑year warranty so you can install with confidence.

Our team understands that many Concord facilities cannot hold extensive spare parts stock, especially for low volume but critical automation components. By using our sourcing service as an external parts room, you gain access to a wide pool of obsolete and hard‑to‑find automation hardware without tying up capital. Call (833) 800‑7748 or send your BOM and we will start tracking down pricing and availability before downtime starts costing more than the repair itself.

Concord industry resources: Greater Concord Chamber of Commerce · City of Concord, California – Economic Development (City Government) · Industrial Association of Contra Costa County

Service coverage: Concord, CA — shipped nationwide from PLC Department (Texas-based)
Service coverage: Concord, CA — shipped nationwide from PLC Department (Texas-based)

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 Quote
Why PLC Department

Built 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.

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Logistics

Shipping to Concord, ca

Orders ship from our U.S. inventory and supply network. Delivery times depend on product location, order time and the shipping service selected at checkout. Facing a line-down emergency? Contact us before ordering and we’ll confirm the fastest available option for your part.
Good To Know

Frequently Asked Questions

How fast can PLC Department ship automation parts to Concord, CA plants and shops?
We ship from Texas and a nationwide supply network to Concord, CA using common carriers and parcel services. Transit time depends on the service you choose and stock location. Tell us your required date and we will quote options that fit your schedule.
Can you help our Concord refinery or aerospace shop find obsolete Allen-Bradley or Siemens modules?
Yes. Obsolete and discontinued SKUs are a core part of what we do. Send the full part number, photos of the label, and any revision info. We will search our inventory and partner network for tested surplus or new‑open‑box replacements and quote availability and price.
Do you accept purchase orders from Concord maintenance and engineering departments?
We work with maintenance teams, engineering firms, and contractors across Concord on a PO basis. Once your account is set up, email POs referencing our quote number. We can also supply formal quotes and invoices with the detail your purchasing and accounts payable groups require.
What kind of warranty do Concord buyers get on tested surplus and new-open-box automation parts?
All tested surplus and new‑open‑box parts supplied to Concord customers include a 1‑year warranty from PLC Department. Items are inspected and function tested where applicable before shipment. If there is an issue in that period, contact us so we can review, troubleshoot, or arrange a return.
Can your sourcing service support projects and service calls in Martinez, Clayton, and Pacheco too?
Yes. We regularly supply parts for contractors, OEMs, and service firms that handle work across Concord and nearby communities like Martinez, Clayton, and Pacheco. Provide the ship‑to location and project requirements, and we will quote parts and shipping options for each job.
Where We Ship

Communities We Serve Around Concord, ca

  • Martinez

  • Clayton

  • Pacheco

Areas We Serve

Nearby Markets

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.