Houston’s Premier Source for Certified Mobile Welding & Industrial Rig Services

From emergency on-site repairs to X-ray quality pipeline tie-ins, WeldIT delivers AWS and API certified expertise directly to your job site. We are the trusted partner for Houston’s Energy Corridor, Port, and Industrial Districts.

Houston’s Elite Source for Certified Mobile Welder & Rig Welder Services

In the heart of the Energy Capital, quality isn't just a goal—it's a requirement for survival. WeldIT bridges the gap between shop-quality precision and on-site necessity. Whether you require a Mobile Welder for rapid-response structural reinforcement in Katy or a specialized Rig Welder for high-pressure API 1104 pipeline tie-ins near the Port of Houston, we deliver AWS-certified excellence to every joint.

The Rig Advantage: Our 4×4 welding rigs are mobile fabrication labs, engineered to deliver shop-quality precision in the field. From API 1104 pipeline digs to heavy-wall spool integration, WeldIT provides the documented reliability and technical expertise that Houston’s energy sector demands.

Code Excellence: Strict adherence to ASME Section IX, B31.3, and AWS D1.1 standards.

Field Mobilization: Self-contained 4×4 welding rigs equipped for 24/7 industrial support.

X-Ray Quality: Vetted for zero-defect performance in high-stakes refinery and midstream environme

Stainless steel pipe spooling fabrication with precision welding for industrial and refinery applications in Houston, Texas
WHAT WE OFFER

Professional Mobile Welder Services

When downtime isn't an option, you need a Mobile Welder who brings the full capability of a fabrication shop directly to your location. WeldIT provides 24/7 mobile welding across the Greater Houston area, specialized in high-volume commercial and industrial maintenance.

Structural Steel & Facility Erection
WeldIT provides precision on-site structural welding for Houston’s commercial and industrial expansions. From new building frames to internal mezzanine systems, our mobile teams ensure that every structural joint is executed with the reliability required for large-scale initiatives. We bring shop-level accuracy to the field, supporting general contractors and facility managers with turnkey steel erection services.
Structural Steel & Facility Erection
Our mobile structural units specialize in the on-site erection of beams, columns, and mezzanine frames compliant with AWS D1.1 structural codes. We handle everything from high-rise modifications in the Downtown area to warehouse expansions in the Energy Corridor. By utilizing specialized field-ready rigging and certified mobile welding rigs, we guarantee maximum safety and structural integrity for Houston’s evolving skyline.
Heavy Equipment & Fleet Repair
When your machinery stops, your project stops. WeldIT provides specialized on-site hardfacing and structural reinforcement for the construction, maritime, and oilfield machinery that powers the Houston economy. We bring AWS-certified expertise directly to your yard or job site, ensuring your heavy assets are restored to full operational capacity with minimal transport overhead.
Minimize Downtime with Precision Field Repairs
WeldIT offers a comprehensive suite of mobile repair solutions designed for high-wear industrial environments. We specialize in structural reinforcement for cracked booms, sticks, and chassis on major yellow-iron brands like Caterpillar and Komatsu, alongside high-durability hardfacing for buckets, blades, and augers working in harsh Texas soil. Our units feature air-arc gouging and high-amperage feeders for rapid field repairs.
Ornamental & Commercial Security Metals
Protect your commercial assets with high-durability security metalwork that doesn't sacrifice aesthetic appeal. WeldIT provides on-site fabrication and repair for commercial gates, security enclosures, and decorative ironwork across the Greater Houston area. We combine artisanal craftsmanship with industrial-grade welding to ensure your property remains secure, professional, and compliant.
Ornamental & Commercial Security Metals
Enhance your environment with our exclusive ornamental metal welding services, where craftsmanship converges with durability. Our adept artisans meticulously craft distinctive designs, guaranteeing each project reflects precision and creativity.
Skid Packages & Modular Applications
Accelerate your project timeline with WeldIT’s mobile support for modular skid packages and process units. We provide the final on-site tie-ins and structural integration necessary to get your "plug-and-play" systems operational. Our mobile teams bridge the gap between shop fabrication and field reality, ensuring that complex modular systems are connected with absolute precision and code compliance.
Skid Packages & Modular Applications
We specialize in the field installation and modification of custom skid packages for Houston’s energy and chemical sectors. Our mobile welders perform high-integrity tie-ins for pump skids, metering units, and filtration systems, adhering to strict ASME B31.3 standards. By providing expert on-site fit-up and welding, we help you bypass the logistical delays of field-fabricating complex piping systems from scratch.
Custom Mobile Fabrication
If you can dream it, we can build it—anywhere. WeldIT’s custom mobile fabrication service is designed for one-of-a-kind projects that require on-the-spot engineering and expert craftsmanship. From specialized industrial brackets to unique architectural metalwork, we provide tailored welding solutions that meet the specific operational demands of your Houston facility or job site.
Custom Mobile Fabrication
Our custom mobile service is the ideal partner for projects with complex geometries or shifting field requirements. We work directly from your ISO drawings or CAD files to fabricate bespoke components on-site, utilizing MIG, TIG, and Stick processes as needed. Whether you need a specialized safety enclosure or a custom structural modification, our mobile rigs provide the versatility to handle unique fabrication challenges on the fly.
Mobile Aluminum & Specialty Alloys
Field welding for aluminum and exotic alloys requires a level of precision and equipment that general welders cannot provide. WeldIT’s mobile TIG units are specifically configured for high-purity on-site fabrication. We serve the specialized needs of Houston’s aerospace, maritime, and transport sectors, delivering clean, high-strength welds in environments where contamination control is critical.
Mobile Aluminum & Specialty Alloys
Our mobile alloy service utilizes advanced GTAW (TIG) processes to repair and fabricate aluminum, stainless steel, and nickel-alloy components on-site. Whether you are dealing with maritime structural repairs at the Port of Houston or specialized fuel system components in the Energy Corridor, our mobile labs provide the inert gas shielding and high-frequency control necessary for zero-defect alloy welding in the field.
WHAT WE OFFER

Certified Houston Rig Welder Services for High-Pressure Industrial Infrastructure

Deploy elite, self-contained Rig Welder units to your most demanding job sites. We specialize in X-ray quality pipeline tie-ins, ASME code-piping, and critical refinery turnaround support. Every rig is operated by a certified specialist vetted for 100% weld integrity in high-stakes environments.

API 1104 Pipeline & Midstream Services
WeldIT’s certified rig welder units provide expert support for Houston’s critical midstream infrastructure. We specialize in the high-stakes world of pipeline construction, maintenance, and integrity digs. Our self-contained rigs are engineered for rapid deployment to right-of-way locations, ensuring that your pipeline assets are joined and maintained with the metallurgical integrity demanded by federal and state regulations.
API 1104 Pipeline & Midstream Services
Our pipeline crews are experts in API 1104 compliant welding for mainline tie-ins, hot taps, and repair sleeves. We understand the precision required for high-pressure transmission lines and provide fully documented field welds that meet the rigorous standards of Houston’s leading energy operators. With onboard power and specialized rod storage, our rigs ensure consistent weld quality regardless of field conditions.
ASME Section IX Pressure Piping
For refinery turnarounds and petrochemical facility expansions, WeldIT delivers code-compliant pressure pipe welding that exceeds industry standards. Our rig welders are highly proficient in ASME Section IX procedures, providing the skilled hands necessary for high-pressure steam, chemical process, and gas lines. We bring the discipline of shop fabrication directly to your facility’s most complex piping manifolds.
ASME Section IX Pressure Piping
We specialize in X-ray quality welding for carbon steel, stainless, and chrome-moly piping systems. Our rig units are configured for the tight tolerances of B31.3 process piping, offering specialized purge setups and high-frequency TIG control for critical root passes. Every weld is backed by full MTR traceability and welder continuity documentation, ensuring a seamless path through NDT and inspection.
Refinery Turnaround & Maintenance Support
Minimize downtime during critical refinery turnarounds with WeldIT’s elite rig welding teams. We provide the 24/7 manpower and equipment necessary to execute large-scale pipe spool replacements, vessel modifications, and structural reinforcements under tight deadlines. Our crews are trained for high-intensity industrial environments where safety and speed are non-negotiable.
Refinery Turnaround & Maintenance Support
Our turnaround rigs are HASC-compliant and ready for immediate entry into major Pasadena, Deer Park, and Baytown facilities. We offer specialized expertise in boiler tube welding, exchanger nozzle repairs, and tray modifications. By deploying self-contained rigs, we reduce the burden on your facility’s utilities and logistics, providing a "plug-and-play" welding solution that keeps your turnaround on schedule.
Field Fabrication & Spool Integration
When shop-fabricated spools don't match field reality, WeldIT’s rig welders provide the expert fit-up and modification services necessary to keep your project moving. We specialize in field-routing and "bolt-up" ready fabrication, bridging the gap between engineering drawings and on-site infrastructure. Our rigs serve as mobile fab-labs, capable of adjusting complex piping geometries on the fly.
Field Fabrication & Spool Integration
We provide high-precision field spooling for pump stations, metering skids, and tank farm manifolds. Our rig welders utilize advanced layout technics to ensure perfect flange alignment and zero-stress fit-ups on high-value equipment. Whether you are dealing with thermal expansion issues or shifting foundations, our mobile units provide the technical problem-solving required to integrate new piping into aging systems.
X-Ray Quality & NDT Support
In the world of high-pressure welding, there is no room for rework. WeldIT’s rig welders are specifically vetted for zero-defect performance on projects requiring 100% X-ray inspection. We pride ourselves on a "one-and-done" philosophy, providing the consistent bead profiles and internal penetration necessary to pass the most stringent Non-Destructive Testing (NDT) protocols in the energy sector.
X-Ray Quality & NDT Support
Our commitment to quality includes comprehensive support for NDT/UT technicians. We provide clean, slag-free finishes and documented weld mapping to streamline the inspection process. Our rig units are equipped with internal line-up clamps and specialized backing gas systems to eliminate "sugar" and oxidation, ensuring your critical-path welds pass X-ray, Dye-Pen, and Magnetic Particle testing on the first attempt.
Heavy-Wall & High-Purity Alloy Rigging
Welding heavy-wall pipe and exotic alloys requires specialized heat control and filler metal management that standard mobile units can't handle. WeldIT’s rigs are equipped for the unique demands of P91, Hastelloy, and Duplex stainless steel. We serve Houston’s high-purity and high-temperature processing sectors with the specialized equipment and procedural knowledge these materials demand.
Heavy-Wall & High-Purity Alloy Rigging
We manage complex pre-heat and post-weld heat treatment (PWHT) requirements directly in the field. Our rigs carry specialized consumables for corrosive and cryogenic service environments, ensuring that the chemical properties of your high-purity alloys are maintained through the welding process. From LNG terminal components to high-temp steam headers, we provide the metallurgical expertise required for exotic metal fabrication.
Lets Weldit Together

Why WeldIT is the Preferred Partner for Houston Field Welding

In the energy capital of the world, a weld is only as good as the technician and the rig behind it. Here is why project managers across the Energy Corridor and Port of Houston trust WeldIT for their critical-path mobile and rig welding needs.

Our team consists of highly specialized mobile professionals who hold the industry's most rigorous field certifications. We ensure every on-site weld meets global safety and performance standards for high-pressure and structural applications:

  • ASME Section IX: The gold standard for pressure piping and refinery maintenance, qualifying our rig welders for high-pressure steam and process systems.

  • API 1104: Specialized certification for pipeline welding and midstream facilities, essential for our oil and gas sector clients in the Houston basin.

  • AWS Certified Welder (CW): Performance-based certifications through the American Welding Society, verifying proficiency in SMAW (Stick), GTAW (TIG), and FCAW (Flux-Core) in field conditions.

  • 6G Pipe Qualification: Our rig welders are certified in the most challenging "6G" fixed-position, demonstrating the elite torch control necessary for complex field tie-ins.

  • CWI Oversight: Every major project is monitored by an on-site AWS Certified Welding Inspector (CWI) to guarantee immediate code compliance and structural integrity.

We don't just show up with a machine; we arrive with a mobile fabrication lab. Our 4x4 welding rigs are custom-engineered to operate in the harshest Texas environments, from muddy right-of-ways to tight refinery units. Each rig features onboard auxiliary power, specialized rod ovens to maintain low-hydrogen integrity, and high-frequency TIG controls for X-ray quality root passes.

Downtime costs thousands per hour. Strategically positioned near the I-10 and Beltway 8 intersection, we provide the fastest response times to Pasadena, Deer Park, Baytown, and the Energy Corridor. Our dispatch center is operational 24/7, ensuring that emergency structural repairs or pipeline integrity issues are addressed before they impact your bottom line.

WeldIT maintains a "Safety-First" culture. Our mobile and rig crews are fully vetted through the Houston Area Safety Council (HASC) and carry active TWIC cards for seamless access to Port of Houston terminals and ship channel refineries. We arrive on-site with all necessary PPE, gas detection monitors, and fire-watch equipment, ready to integrate into your facility's safety protocol immediately.

In field welding, documentation is as important as the weld itself. We provide digital weld maps, MTR (Material Test Report) traceability, and detailed continuity logs for every project. Our crews are trained to work side-by-side with NDT (Non-Destructive Testing) technicians, providing slag-free, "X-ray ready" finishes that streamline the inspection process and eliminate costly rework.

FAQ's

Top Frequently Ask Questions

What sets WeldIT apart is our high-utility Mobile and Rig Welding fleet. We are not just a service provider; we are a 24/7 rapid-response partner equipped to bring shop-quality precision and AWS-certified code excellence directly to your facility or pipeline right-of-way. Your uptime is our priority.

A: For critical-path failures in the Energy Corridor, Pasadena, or Deer Park, we typically mobilize within 2–4 hours. Our 24/7 dispatch ensures that a fully equipped rig is en route to your site to minimize costly industrial down

A: Yes. All WeldIT field technicians carry active TWIC cards and are up-to-date with HASC (Houston Area Safety Council) training. We are prepared for immediate entry into major ship channel facilities and petrochemical plants.

A: Absolutely. We provide comprehensive mobile support for structural erection, including mezzanines, pipe racks, and loading docks. All structural work is performed to AWS D1.1 standards by certified field crews.

A: Yes. Our rigs are equipped with high-frequency TIG units and specialized shielding gases (Argon/Helium mixes) specifically for on-site aluminum, stainless steel, and exotic alloy repairs where contamination control is critical.

A: We utilize high-purity TIG root passes and controlled-fill procedures. Our welders are vetted for "one-and-done" performance, and we provide slag-free finishes designed specifically to streamline the NDT (Non-Destructive Testing) process.

A: We deliver a complete "Turnover Package" for every project. This includes digital weld maps, MTRs (Material Test Reports) for all consumables, welder continuity logs, and CWI (Certified Welding Inspector) sign-offs to ensure full code compliance.

A: Our rig welders are highly proficient in API 1104 procedures for midstream integrity. We work closely with your safety and engineering teams to execute tie-ins and sleeve repairs according to specific operator protocols.

A: Yes. We can provide on-site hydrostatic testing to verify the integrity of field-fabricated pipe spools and manifolds before they are integrated into your process system, ensuring 100% leak-free performance.

TESTIMONIALS

What Our Clients RAVE About!

Ready to Start Your Project?

From emergency repairs handled by an expert Mobile Welder to complex ASME pipe spooling executed by a certified Rig Welder, WeldIT has the capacity and certification to get the job done right. Send us your drawings or call us for immediate dispatch.