Industrial Maintenance and Mechanical Experts
Specialty Welding Services LLC is a pre-qualified industrial welding, pipefitting, and mechanical contracting company serving the St. Louis region, Missouri, and clients nationwide. We specialize in food and beverage, dairy, pharmaceutical, chemical processing, manufacturing, cold storage, industrial refrigeration, and data center facilities.
Our services include food grade hygienic (sanitary) stainless, process piping, orbital welding, ASME code piping, temporary manpower, structural fabrication, equipment installation, plant shutdown support, and 24/7 emergency mobile welding response. We can work from our own field measurements or engineered blueprints, isometric drawings, and P&IDs with experience in process skid fabrication and onsite installation.
We are AWS and ASME certified, OSHA compliant, and pre-qualified through ISNetworld, Avetta, and other contractor compliance programs — carrying $2M general liability, $1M commercial auto, $1M workers compensation, and $5M excess umbrella insurance.
Known for fast emergency response, precision workmanship, and commitment to plant reliability and safety — we are the trusted contractor for industrial facilities and general contractors locally and nationwide.
Our Work
SWS A Prequalified Industrial Contractor
Pre-qualifications
Pre-qualifications
Pre-qualifications
SWS maintains active pre-qualification status through ISNetworld, Avetta, SAP Ariba, and additional platforms — and is an approved contractor for major GCs including Clayco, Gray Construction, and Stellar Group.
Insurance
Pre-qualifications
Pre-qualifications
SWS carries $2M general liability, $1M commercial auto, $1M workers compensation, and $5M excess umbrella — meeting the insurance requirements of most industrial facilities and national general contractors. COIs available upon request.
Certifications
Pre-qualifications
Certifications
SWS holds ASME Section IX and AWS D1.1 welding certifications, OSHA certifications, and equipment operation certifications including forklift, boom lift, and scissor lift — along with hundreds of hours of onsite safety training. Full documentation available upon request.