WMK & Co. is an AISC Certified Fabricator and AWS Certified steel fabrication, erection, and design company headquartered in Billings, Montana, with additional facilities in Great Falls, Kalispell, and Butte. Proudly serving clients across Montana, Idaho, Washington, and the surrounding region, we have built a reputation since 1992 for delivering high-quality custom metal fabrication backed by precision, reliability, and decades of hands-on experience. With more than 30 years in the industry, our team specializes in structural steel fabrication, custom metalwork, and full-service project support. From commercial construction projects to architectural, environmental, military, and industrial applications, we bring expert craftsmanship and attention to detail to every job, regardless of size or complexity. Our in-house detailing department and experienced team of more than 50 professionals allow us to manage projects efficiently from concept through completion. We work closely with contractors, engineers, and project managers to ensure every component is built to exact specifications and delivered on time. WMK & Co. is committed to using high-quality materials and certified fabrication processes to meet the highest industry standards. With facilities strategically located throughout Montana and the acquisition of Stevens Steel West, we have expanded our capabilities and geographic reach, allowing us to better serve clients throughout the Northwest. Safety is at the core of everything we do. We maintain a safe, dependable work environment for our team and partners while building long-term relationships grounded in trust, communication, and performance. Our Mission To deliver precision steel fabrication and erection services at a competitive cost while maintaining the highest standards of quality, safety, and customer satisfaction.