STAINLESS STEEL SANITARY & HIGH PURITY WELDING CONTRACTORS
Delivering sanitary welding, high-purity process piping, and stainless fabrication for Food & Beverage, Dairy, Pharmaceutical, Semiconductor, Clean Energy, Data Centers, Aerospace, and Chemical Processing industries.
Sanitary Process System Experts
Specialized Sanitary Solutions provides high quality and experienced pipe fitting, sanitary welding and fabrication services at your door. We work with some of the leading manufacturers in the nation installing and maintaining process systems in the dairy and food and beverage industry.
Locally Owned & Operated
Owned and operated by Maine people.
20 Years of Experience
Proudly serving for over 20 years.
Experienced Crew
Our crew is ready for your next project.
We Know Sanitary Welding
Expert Sanitary Welders & Fabricators
OUR SERVICES
Solutions Tailored to Your Project Needs
S3 Welding is a stainless steel specialty trades contractor serving the process piping industry. We support projects from early planning through final installation, offering process system design, 3D modeling, equipment sourcing, and turnkey installation. Our team also provides valve and pump sales, precision process pipe welding, Ultra High Purity (UHP) orbital welding, and complete weld documentation.
Sanitary Welding & Pipe Fitting
Our skilled and dedicated team of professionals at S3 Welding will provide you with the best solutions specific to your project needs. We specialize in sanitary process welding serving industries including dairy, food and beverage, craft breweries, and CBD facilities with the best solutions.
Custom Welding & Fabrication
This is where ideas become reality. Our team of professionals at S3 welding will help you take your designs to the next level by building unique processing systems specific to your application. Local breweries and CBD facilities benefit from having our shop services available to them.
Our Product Line
Specialized Sanitary Solutions provides sanitary pumps, valves, gaskets, flanges, fitting, and more for all your sanitary system needs. Contact our sales department today to learn more.
EXPERT SOLUTIONS
We Specialize In
Whether you’re looking for a general contractor to run your project or you’re a general contractor needing a trusted specialty partner, S3 Welding is here to help with all things process-systems related—delivering clean, compliant work that’s built to perform.
1
Process Tubing
Our welders are certified in accordance with AWS code D18.1 for Hygienic food process piping for both manual GTAW operations as well as Orbital machine welding. Weld logs are available at client request.
2
Flow Panels
Custom sanitary transfer panels for dairy food and beverage systems to keep your facility running clean and smoothly with no down-time.
3
Skidded Systems
Modular or stationary skidded systems for CIP, water filtration, condensate return, fruit or flavor injection can be designed and manufactured in house to accommodate a wide variety of our customers needs
4
Industrial & Utility Piping
Our welders are certified in accordance with the AWS B31.3 pressure piping standards using the GTAW procedure.
5
Platforms, Decks & Walkways
Custom platforms are built onsite or manufactured in our shop to meet or exceed OSHA specifications, as well as individual design requirements.
6
Maintenance & Emergency Service
Our field service professionals have extensive experience in manufacturing facilities that allows our crews to work with very little impact to your production. Pictured: Valve maintenance and rebuilds lead to less down time and safer process practices
OUR INDUSTRIES
Industries We Service
S3 Welding proudly delivers high purity welding solutions to a wide range of industries across the United States with locations based in Maine and Florida. From food and beverage production to breweries, dairies, and pharmaceutical facilities, we ensure every weld meets the highest standards of cleanliness, safety, and performance.
Sanitary Food & Beverage
Pharmaceutical
Semiconductor Manufacturing
Aerospace & Energy
EXPERT SOLUTIONS
Why Choose S3 Welding
S3 Welding serves local and national industrial manufacturing facilities. We provide project management, onsite fitting and welding as well custom designed skidded systems for any of your processing needs.
Experienced Crew
Our skilled team brings years of hands-on sanitary welding expertise to every project.
Industry Leading
We use advanced techniques and standards that set the benchmark in sanitary welding.
On-Time Delivery
We complete every job on schedule without compromising quality.
Top Quality Service
We deliver clean, precise, and reliable workmanship you can trust.
PROJECTS
Featured Projects
Our featured projects highlight the quality, precision, and craftsmanship behind every S3 Welding job. From structural steel to custom fabrication, each project reflects our commitment to durability, safety, and attention to detail. Take a look at the work that sets us apart.
CONTACT US
Tell us about your next project
Ready to get started? Contact us now to discuss your sanitary welding needs and get a fast, professional quote.