Company Profile

5643 Engineering, Ltd. is an Illinois-based engineering services company owned by a professionally licensed engineer. We provide design engineering services from our Chicago-area office. Every project is led by Nathan Larson, an American licensed engineer with more than 20 years experience.

We offer both hourly and flat-rate engineering services.

We specialize in mechanical engineering for equipment, machinery, vehicles, and related projects.

We work with a variety of software tools including:

Siemens NX for parametric 3D CAD with drafting capability for mechanical design
Ansys for structural and thermal finite element analysis
Matlab for numerical analysis, data processing, presentation
AutoCAD for drafting (small scale and very large scale) and parametric 3D CAD with drafting capability
SolidEdge & SolidWorks available on per project basis

Curious to learn if we can help you accomplish tasks on time and on budget? Contact us today online for a no‑obligation consultation.

(224) 267-5254

5643 Engineering, Ltd. is a licensed engineering design firm helping companies manage fluctuating mechanical engineering task loads. Our end-to-end services include solutions for all requirements from engineering design to manufacturing.