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

15 Dec

Holiday Message from Semco Leadership to Employees

During this season of thanks we are reflecting on the things we are most grateful for. To our Semco team we want to express our appreciation for the work you all do to make Semco Carbon a great graphite manufacturing company. Without your commitment, creativity, and high standards, we would not be the company we are. Thank you for your hard work day in and day out to serve our customers and to make this company sought after for high quality graphite engineering and graphite fabrication. Thank you for your willingness to go above and beyond. We hope that you...

06 Dec

Five Graphite Manufacturing Lessons

If good things come in 3s, then great things must come in 5s. We took a short break around Thanksgiving from what we usually do (buy graphite, machine graphite components, etc) to take stock of what we have to be thankful for, and the following are 5 graphite manufacturing milestones that Semco is proud to have accomplished.First Things Firstwe managed to grow the level of our graphite manufacturing business in 2021 while keeping all our workforce employed. In fact, we have even managed to add employees, no small feat in this very tight job market we currently find ourselves in....

16 Nov

Continuing China Tariffs and Tight Labor Market

Semco is a graphite company deeply connected to the national and world economies. As the American economy heats up, and the American consumer’s appetite for things like the graphite solutions that we offer increases, some issues we have signaled in the past are amplified. While demand grows, supply chain disruptions, lack of shipping containers, and green initiatives in China have stretched our ability to continue some of our relationships with Chinese vendors of graphite raw materials. The Trump administration’s tariffs, instituted a few years ago, seem to be here to stay under the Biden administration. This is unwelcome news for...