Custom Metal Fabrication in Mobile, Alabama

Looking for a reliable custom fab shop in Mobile, AL? 4S Construction Services provides industrial-grade metal fabrication for contractors, plant facilities, and commercial operations across Mobile County and the Gulf Coast.

Whether you need pipe supports, brackets, platforms, or structural welding — we build it in-house and deliver it job-ready.

We serve:

• Chemical and energy plants 
• Industrial contractors
• Maintenance crews and utilities
• Commercial construction teams

All fabrication is performed at our facility in Saraland, just minutes from downtown Mobile — making us the go-to fab shop for the region.

We specialize in:

• Custom pipe supports and structural frames
• Welding of carbon steel, stainless, and aluminum
• Sheet metal, plate work, and light structural fab
• Brackets, handrails, grating, stairs, and guardrails
• Precision-cut and field-ready assemblies

We partner with clients to meet your specs, timeline, and plant safety requirements.