Over 50 Years Exceeding Customer Expectations

An ISO-9001: 2015 Company

Experts in the Industry

You are experts in your industry, and we are experts in ours. Together, we can create custom solutions to meet your goals, budget, and expectations.

Client Consultations

Our expert client consultations produce specialty pieces. No matter how unique the application, we go straight from sketch to three-dimensional solution.

Huge Inventory

Our huge inventory of raw materials, grades, shapes, and sizes allows us to respond quickly to customer demands, so that we can begin machining your product immediately.

Recycle With Us

Put some green in your pocket by going green with your obsolete carbon and graphite materials! Recycle with us, and you will reduce your liability and your ecological footprint.

Carbon and Graphite Machining and Recycling Facility - Semco Carbon

Custom Carbon & Graphite Machining

Fifty Years of Experience

Our custom carbon and graphite machining capabilities are engineered from the ground up with our client's budget, goals, and expectations in mind. No matter the tolerance, no matter the finish, no matter how specific your need, our years of experience coupled with the most advanced machining resources will keep your organization humming with minimal delay. We aren’t just experts in carbon and graphite machining—we’re also experts in client consultation and collaboration. We’re in the business of creating solutions, no matter how unique the problem.

Carbon & Graphite Material Recycling

We’ll purchase your obsolete carbon and graphite materials for reclamation or proper disposal. Less waste in the landfill, more green in your pocket — just the kind of win-win solution we’re in the business of creating.

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Experience. Knowledge. Service.

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Custom Carbon & Graphite Machining

06 Oct

Graphite Use in Nuclear Reactors

Here in Lorain, Ohio, where Semco Carbon is located, we sit between two nuclear power plants. One is about 75 miles away, up the shore of Lake Erie. Another lies about the same distance west of us. It is likely that if you live in the US, you aren’t too far from a nuclear power plant. Chances are greater that you’re getting energy from one. According to the World Nuclear Association, nuclear power accounts for about 19% of the electricity generated in the US. Graphite use in nuclear reactors is actually older than commercial nuclear power. When Enrico Fermi's team...

22 Sep

Graphite is Helping to Bring Computer Chip Manufacturing Back to the U.S.

You don’t see them, you definitely can’t hear them (at least individually), and it’s doubtful you can smell them, but computer chips are in nearly everything now. Thank a computer chip for making your car's braking system responsive to road conditions, or for making it easy to pick up your phone and video call your cousin in Ireland. They’re in pacemakers and, of course, they proliferate in AI server farms processing millions of requests a second. For decades, the majority of those chips were made overseas, primarily in Taiwan and South Korea. That's starting, slowly, to change, and graphite semiconductor...

17 Jun

Precision Graphite Machining for Next-Gen Semiconductors

The semiconductor industry is in the middle of an expansion that doesn't have much precedent. In early 2026, the industry was tracking toward roughly $1 trillion in annual sales, driven by the surge in data-center networking (and let’s not forget about memory demand). Graphite's predictable electrical conductivity , allows machined parts to act as plasma electrodes, grounding components, or current paths in semiconductor chambers. Like you, we at Semco have read the headlines about chips. Unlike most, though, we also detect the quieter story behind the headlines about the materials and processes that make advanced semiconductor manufacturing possible. High purity...