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Business Details
50+ Years
experience
Custom Welding & Steel Fabrication Services in Lancaster, NY
Seibel Modern has been a leader in industrial welding and steel fabrication since 1944, maintaining a reputation for excellence through over seven decades of service. As a family-owned business based in Lancaster, NY, we specialize in custom welding solutions including GMAW (MIG), FCAW (Flux Core), and rebar welding, supported by a team of New York State-certified welders. Our 70,000-square-foot facility houses advanced equipment, including a Universal UR10e Collaborative Robot, enabling us to handle projects of all scales efficiently. With certifications from the American Institute of Steel Fabrication and adherence to AWS D1.1/D1.5 standards, we deliver precision-engineered steel components nationwide.

Our commitment to innovation, quality, and customer-centric service has earned recognition for landmark projects like the Franklinville steel pony truss and the Gordie Howe Bridge. We prioritize long-term client relationships over traditional sales, relying on referrals and repeat business to drive growth. Our workforce of 60 skilled professionals combines hands-on leadership with technical expertise to provide tailored solutions for industrial clients across the United States.
Services
GMAW Welding FCAW Welding Rebar Welding Stainless Steel Weldments Battery Trays Concrete Precast Embedments Stud Welding Noise Barrier Posts Steel Fabrication Delivery Services
Details
  • Year established: 1944
Highlights and features
  • We have 75+ years of experience in industrial welding and steel fabrication.
  • Our team includes New York State-certified welders and AWS-qualified specialists.
  • We maintain AISC certification for bridge fabrication and structural steel work.
  • We invest in advanced technology like collaborative robotics for precision manufacturing.
  • We offer nationwide delivery with a 250-mile radius direct shipping option.
Associations and certifications
  • American Institute of Steel Fabrication (AISC)
  • PennDOT Bulletin 15
  • American Welding Society (AWS D1.1)
  • American Welding Society (AWS D1.4)
  • American Welding Society (AWS D1.5)
  • American Welding Society (AWS D1.6)
Services
GMAW Welding
Our GMAW welding services utilize gas metal arc technology for high-precision industrial applications. Certified welders execute complex projects with materials like carbon steel and rebar, ensuring structural integrity. Clients benefit from our 75+ years of expertise in delivering durable welds for infrastructure projects nationwide.
FCAW Welding
Flux Core Arc Welding services employ tubular wire electrodes for robust industrial connections. This method suits structural steel fabrication where penetration and weld quality are critical. Our AWS-certified team ensures compliance with D1.1 and D1.5 standards for commercial clients across North America.
Steel Fabrication
Custom steel fabrication services transform raw materials into precision-engineered components. Our 70,000-square-foot facility handles projects from bridge restraints to industrial equipment mounts. With AISC certification and advanced robotics, we deliver tailored solutions meeting exact project specifications nationwide.
Concrete Embedments
Concrete precast embedment fabrication creates specialized steel components for reinforced concrete structures. Decades of experience ensure dimensional accuracy critical for infrastructure projects. Clients receive durable, code-compliant embedments designed to integrate seamlessly with concrete elements.
Delivery Services
Nationwide steel delivery services utilize third-party logistics partners for continental shipments. Local deliveries within 250 miles of Lancaster, NY, use company-owned transport. This hybrid approach ensures timely, cost-effective delivery of fabricated components to project sites across North America.
People
William Seibel
Founder
William Seibel established the company in 1944, transforming a garage operation into a 70,000-square-foot industrial fabrication leader. His legacy of craftsmanship and customer focus continues through the family-owned business model.
John Williams
Leadership Team
John Williams contributes to strategic decision-making as part of Seibel Modern's leadership group. With decades of industry experience, he helps maintain the company's reputation for quality steel fabrication and welding excellence.
Questions
What welding certifications does Seibel Modern hold?
We maintain AWS D1.1/D1.5 certifications for structural and bridge welding, along with AISC Certified Bridge Fabricator status. All welders meet New York State certification requirements for industrial applications.
Do you offer stainless steel welding services?
Yes, we provide limited stainless steel processing and welding. Contact our Lancaster, NY facility to discuss specific project requirements and material compatibility with our current capabilities.
What geographic areas do you serve?
We deliver steel products nationwide across the continental United States and Canada. Local deliveries within 250 miles of our Lancaster, NY shop use company-owned transportation equipment.
Can you handle large-scale infrastructure projects?
Our facility has produced components for major projects like the Gordie Howe Bridge. With 75+ years of experience and 70,000 square feet of manufacturing space, we manage complex, high-volume orders efficiently.
What welding processes are available?
We offer GMAW (MIG), FCAW (Flux Core), and rebar welding services. Stud welding capabilities provide fast, permanent metal connections. Specialized procedures follow AWS and AISC standards for critical applications.
Reviews (2)
Marouane Berrila
Jan 27, 2022 Report
Very slow loading they load two trucks a day and if u come second means 6 hours of waiting easy to park very hard and tight plz reject it
Jerrod Wirt
Jul 16, 2020 Report
You got to know how to drive to back in there. Its tight but take your time. Make sure you call them for directions!!!!! There are some overpasses. But believe it or not you can get under them so when you seem them dont lose your mind like I did. There a 4 of them and you can get under them. Please call them too!