Industrial Welding & Mechanical Contracting in St. Louis, Missouri

Specialty Welding Services provides expert industrial welding, pipefitting, and mechanical contracting throughout St. Louis and across the Midwest. Our team proudly supports St. Louis’s diverse industrial sector, including food and beverage plants, cold storage facilities, industrial refrigeration systems, HVAC operations, manufacturing sites, pharmaceutical production, and chemical processing plants.

We deliver reliable mobile welding, ASME code piping, structural fabrication, and equipment installation—all completed by OSHA-compliant, AWS-certified professionals. From 24/7 emergency repairs and plant shutdown support to process system maintenance, we’re known for our fast response, precision workmanship, and dedication to plant reliability and safety.

If you’re an industrial facility or general contractor in St. Louis or nearby communities like St. Charles, Fenton, or Chesterfield, Specialty Welding Services is your trusted local partner for high-quality welding and mechanical contracting.