04/24/2026
At Mineral Fabrication and Machine Co., Inc. (MinFab), construction has been at the heart of our operations since our founding in 1978. As a full-service general contractor serving the eastern United States, we deliver high-quality, cost-effective solutions tailored to meet the unique needs of our clients. Our team of over 100 dedicated professionals brings expertise, enthusiasm, and a commitment to excellence to every project, ensuring superior workmanship that has earned us a 90% repeat customer rate through word-of-mouth referrals.
We specialize in a wide range of construction services, including design-build processes, general contracting, land development, and specialized fabrication-integrated projects. Our capabilities span from pre-construction planning and site preparation to full-scale ex*****on and completion. Whether it’s simple steel er****on or complex undertakings like bridge construction, commercial buildings, industrial facilities, or custom storage solutions, we handle it all with precision and efficiency.
Our design-build approach streamlines projects by integrating design, engineering, and construction under one roof, reducing timelines and costs while maximizing innovation. Supported by our in-house fabrication facility in Keyser, West Virginia—equipped with a fully stocked machine shop and CAD services—we can custom-fabricate components on-site or off, ensuring seamless integration. This includes developing specialized equipment, machine parts, and structural elements to support construction needs.
We serve diverse industries such as power and energy, paper mills, food processing, charcoal production, chemicals, and mining-related operations.
Our portfolio includes notable projects like:
• The design and construction of a 4,000-square-foot office building for Greer Lime’s Germany Valley operation in Riverton, WV, featuring an atrium and sheet metal roofing, completed in just four months.
• Fabrication and er****on of 3 coal storage silos (16’ diameter x 50’ height) and 11 lime storage silos (14’ diameter x 25’ height) for Graymont in Pennsylvania, including reinforced tops for conveyor systems and vibrating discharge feeders, transported and installed over six months.
• The Seneca Rocks Discovery Center, showcasing our expertise in commercial and public-use structures.
From the South to the Midwest and Northeast, we operate across regions, leveraging our northeastern West Virginia base to provide responsive, personalized service. Whether you’re developing land for industrial use or building facilities for manufacturing operations, MinFab combines decades of experience with innovative problem-solving to bring your vision to life. Contact us today to discuss how we can support your next project with unmatched quality and reliability.
