Discover our services
Surface Treatments
Shot blasting with: metallic abrasives, sand, quartz, aluminum oxide, glass microspheres, silicon carbide, dry ice, CO2, hydroblasting, garnet, walnut shells, copper mineral grit, among others
Waterjetting: using equipment with 3100 bar water pressure, manual lances, and automatic vacuum suction equipment
High-pressure washing: we work at pressures from 7 bar to 3100 bar. We have rotary jet, fan, and curved nozzles, with manual and automatic feed, and lances ranging in length from 30 cm to 12 meters. We have equipment for cleaning with a boiler for high-pressure washing with hot water up to 95°C
Steam cleaning
Cleaning with bio-detergents
Pickling
Phosphating
Coating Applications
Epoxies
Zinc Silicates
Polyurethanes
Polyureas
Metallic Coatings
Cementitious Coatings
Flame Retardants
Intumescent Coatings
Anti-fouling Coatings
Anti-condensation Coatings
Polyurethane Foam and Panels
Ceramic Coatings
Metalworking
Sheet Metal Thickness Restoration
Cold Welding
Special Welding
API Tank Repair
Structural and Piping Repair
Design
Metal Fabrication
Assembly
Hangers
Spare Parts Engineering, Import Replacement
Internal Tank Cleaning
Specialized service with highly experienced personnel
We use self-contained breathing apparatus for all our staff and monitor oxygen levels and explosiveness 24/7
We offer waste disposal services
Evaporator and Condenser Cleaning
With high-pressure water
Chemicals
High-pressure air
Unclogging probe
Boiler and HRSG Cleaning and Passivation
We comply with all environmental regulations
Effluent Passivation
Internal Scaffolding
Facility Maintenance
Heat Exchange Capacity Restoration
CO2 Blasting
Pipe unclogging
Using self-propelled water jets with high and ultra-high pressure
Using shot blasting and sandblasting equipment
Using jets
Self-leveling epoxy floors / polished concrete
Resistant to high traffic
Suitable for the food industry
Ideal for the automotive industry
Hangars
Non-destructive testing
Coating thickness measurement using electromagnetic gauges
Coating adhesion measurement using mechanical and hydraulic tensile testing equipment
Corrosion degree assessment
Magnetic particle testing
Penetrant testing
Ultrasonic plate thickness measurement
Boroscopy
High Resolution MFL (Magnetic Flux Leakage High Resolution) Comprehensive Inspection Service using Aboveground Storage Tank Inspection Techniques by API653 Inspectors, Res.785/266 Audit and Pressure Tank Inspection
RFT (Remote Field Technique) - Remote Field Inspection Service for Ferromagnetic Tubes, Heat Exchangers, Air Coolers, Reactors, Boilers, and Related Tubular Equipment
Remote Inspection Service using UT Mapping Crawler System: Remote inspection and thickness measurement of the shell of API 650 aboveground storage tanks, inspection of pressure vessels, inspection of overhead pipes and ducts, and inspection of chimneys and tall structures
Industrial Gas Works
Design
Installations
Piping
Modifications
Industrial Boilers and Water Heaters
Design
Manufacturing
Assembly
Maintenance
Upgrades
Equipment Rental
Tents of varying sizes
Hydraulic arms
Electric and diesel compressors
High-volume dehumidifiers
4x4 and 4x2 trucks
Sandblasters
Road construction equipment
Earthmoving equipment
Shipping industry
Hulture fairing
Tank coatings
Tank cleaning and scraping
Engine room painting
Painting of names, chains, and anchors
Cofferdams and chain boxes
Hold painting
Pressure washing
Application of antifouling paints
Replacement of sacrificial anodes
Metalworking repairs
Supply
GNSA Energy
Comprehensive maintenance of gas turbines, steam turbines, and peripheral systems
Maintenance of wind, solar, and hydroelectric power plants
Maintenance of diesel engines
Maintenance of gearboxes
Maintenance of generators
Maintenance of gas compressors
Maintenance of valves
Maintenance of pumps and control modules
Alignment of rotating assemblies
Vibration and balancing analysis
Maintenance plans
Blasting using a wide range of abrasives and CO2; materials available 365 days a year
Blade coatings Computer-controlled curing ovens up to 600°C
Nitrogen injection
Induction bolt heating
Enclosed cabins and tents with 24/7 environmental control
Turbine support devices
Scaffolding
Insulation
Erection
Safety, hygiene, and environment
GNSA Construction
Civil Works
Design
Modeling
Turnkey Projects
Erection
Warehouse/Shed Maintenance
Safety, Hygiene, and Environment
Building Renovation
Restoration of High-Value Building Facades
Interior and Exterior Painting of Large Projects
Work with Chair Carriers
Graffiti Removal
Remodeling
High-Pressure Washing
Hydro-Sandblasting
Sandblasting
Metal Restoration
Polishing and Lacquering (domes, railings, chandeliers, ornamentation, etc.)
Civil Gas Works
Major Installations
Renovations
Supply Rehabilitation Works
GNSA Oil & Gas
Exploration
Soil Studies
Design
Project Development
Erection
Pumping Equipment Maintenance
Safety Consulting
Safety Engineering (Onshore/Offshore)
Risk Analysis
On-Site Safety Training
External Quality Audit
External Safety Audit
Development of Safety Literature and Procedures
Yard Management
Tubetrack
GNSA Recruitment
Headhunting
Recruitment and Selection
Human Resources Management and Development
