J. Thomas Ltd. is a full line machine and fabrication shop in Lancaster, PA specializing in Manhole Riser Rings and offering precision machining, fabrication, welding, assembly and turnkey manufacturing solutions. We specialize in small batch runs while having the capability and capacity to produce thousands of parts and components.
We offer a complete Fabrication, Welding and Assembly facility. By blending these normally separate processes, we are a true, full-service supplier to our customer base.
J. Thomas LTD People Collage

Our market niche is the manufacture of large parts and assemblies using a variety of materials along with purchased or customer supplied components. We have extensive experience in turnkey manufacturing. Every day we are providing delivery of our customer’s complete products or turnkey systems.


Machining  – Precision CNC & Expert Manual Solutions

Fabrication – If You Can Conceive It, We Can Make It

Welding – TIG, MIG, Stick & Automated Capabilities

Cleaning & Finishing – Proven Methods for Superior Results

Turnkey Solutions – Quality Steel Products

High-Tech Equipment And Experienced Machinists

Capabilities Which Make Production Feasible And Economic

J. Thomas LTD Horizontal Parts Collage