Core Inspection Services
Precision Inspections for Critical Industries
Comprehensive inspection and integrity services for the petroleum, chemical, and pharmaceutical industries.
Industrial Inspection Services
Precision Inspections for Critical Industries
At TQS Inspections, we provide comprehensive third party inspection and integrity services. Our experienced inspectors deliver accurate, reliable assessments that help clients maintain safety, regulatory compliance, and operational efficiency.
From complex proprietary alloys to fiberglass and thermoplastic systems, TQS inspects equipment of virtually every material, configuration, and scale. Our multi-disciplined approach ensures your assets are evaluated with the right expertise, technology, and industry standards.
Equipment Inspections
We perform detailed inspections on a wide range of process and mechanical equipment used in demanding industrial environments. Our team is experienced in evaluating various materials of construction including:
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High-performance and proprietary alloys
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Carbon steel, stainless steel, duplex stainless steel
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Glass lined carbon steel, rubber lined carbon steel
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Fiberglass reinforced plastics (FRP)
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Composite materials and reactive metals
Our inspectors assess structural integrity, corrosion conditions, fabrication quality, and operational fitness.
Asset Integrity & Reliability
Protecting the integrity of critical assets is essential for safe and continuous operations. We provide inspections designed to identify potential failures before they impact production or safety.
Our integrity services include:
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In-service equipment inspections
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Pre-commissioning inspections
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Shutdown and turnaround inspections
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Corrosion and degradation analysis
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Condition assessments and reporting
Multi-Discipline Inspection Capabilities
Our team brings expertise across multiple inspection disciplines, allowing us to evaluate a broad range of equipment types and materials within a single project.
We inspect components and systems such as:
API 510 Vessels
API 570 Piping
API 620 Vessels
API 650 Tanks
ASME B31.1 Power Piping
ASME B31.3 Process Piping
ASME Pressure Vessels
ASME Section 4 Boilers
Augers & Screw Conveyors
Bag Houses
Cogen Power Plants
Cryogenic Heat Exchangers
Digestors
Dryer Drums
FIN Tube Economizers
FIN Tube Superheaters
Gas/Gas Exchangers
Glass Lined Vessels & Agitators
Jacketed Pressure Vessels
Lined Pipe
LIW (Loss in Weight) Feeder
Mechanical Conveying Equipment
MONU Isotainers Tanks
OCAP Exchangers
Pharmaceutical Piping Tanks & Vessels
Plate/Frame Heat Exchangers
Power Boilers
Precipitators
Recovery Boilers
Rotary Kilns
Sanitary/Food Grade Piping Tanks and Vessels
Shell & Tube Heat Exchangers
Steam Turbines
Stokers
Subsea Umbilicals
Tray Towers
Valves
Wet Electrostatic Precipitators
Our inspectors work closely with engineering, maintenance, and operations teams to provide clear findings and practical recommendations.
Industry Expertise
We support facilities operating in highly regulated and technically demanding industries, including:
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Petroleum refining and processing
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Chemical manufacturing
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Pharmaceutical production
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Specialty materials processing
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Industrial manufacturing
Our inspectors understand the unique operational requirements, materials, and compliance expectations within each sector.
Commitment to Safety and Quality
Safety, accuracy, and professionalism guide every inspection we perform. We follow established industry standards and proven methodologies to ensure consistent, defensible results.
Our clients rely on us for:
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Experienced, qualified inspectors
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Thorough documentation and reporting
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Timely service and responsive communication
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Reliable insight for maintenance and asset management decisions
Additional Specialized Inspection Services
Innovative Client-Centric Inspection Services
Specialty materials inspections focusing on evaluating the integrity and performance of unique materials and fabricated components used in critical applications.
Specialized Inspection Services
Complex industrial projects require experienced oversight to ensure equipment, materials, and construction activities meet strict technical specifications and industry standards. Our specialized services support manufacturers, contractors, and asset owners throughout fabrication, construction, and plant maintenance activities—helping ensure quality, compliance, and long-term reliability.
Vendor Surveillance
Vendor surveillance provides independent oversight of equipment fabrication and manufacturing processes at supplier facilities. Through regular monitoring and documentation review, our inspectors verify that vendors are meeting contractual specifications, applicable codes, and quality requirements during production.
Our vendor surveillance services include evaluating fabrication capabilities, reviewing design documentation and construction drawings, verifying welding procedures and quality programs, and monitoring production schedules and inspection checkpoints. Independent surveillance helps ensure that components are manufactured correctly and delivered according to project specifications and timelines.
Specialty Materials Inspections
Many industrial facilities rely on specialized materials designed to withstand extreme temperatures, corrosive environments, and demanding operating conditions. Our specialty materials inspections focus on evaluating the integrity and performance of unique materials and fabricated components used in critical applications.
We inspect equipment constructed from advanced alloys, glass-lined materials, composites, and other specialty materials, verifying fabrication quality, material condition, and compliance with design requirements. These inspections help identify potential issues early and ensure that specialized equipment is suitable for long-term service in challenging process environments.
Turnaround Inspection and Planning
Planned plant shutdowns and maintenance turnarounds require careful coordination, inspection planning, and technical evaluation to ensure safe and efficient execution. Our turnaround inspection and planning services help facilities prepare for maintenance activities by developing detailed inspection plans, identifying potential degradation mechanisms, and establishing acceptance criteria for equipment condition.
Services may include fitness-for-service evaluations, coordination of non-destructive examination (NDE), and deployment of qualified inspectors to assess pressure vessels, tanks, and piping systems. Structured planning and inspection support allow operators to prioritize repairs, reduce downtime, and ensure equipment returns to service safely and reliably.
Construction Management
Delivering Successful Projects from Planning to Completion
Comprehensive construction project management services to support owners, engineering firms, and contractors throughout the entire construction lifecycle.
Construction Management Services
Delivering Successful Projects from Planning to Completion
Large construction projects require careful coordination, technical expertise, and consistent oversight to ensure they are delivered safely, on schedule, and within budget. Effective project management brings together planning, engineering, procurement, and on-site supervision to keep complex projects moving forward while maintaining strict quality and safety standards.
At TQS Inspections we provide comprehensive construction management services to support owners, engineering firms, and EPC contractors throughout the entire construction lifecycle. Our experienced professionals help guide projects from early planning through final completion, providing the technical insight and field support needed to reduce risk and improve project outcomes.
Construction projects involve numerous variables—from supply chains and contractor coordination to regulatory compliance and safety management. Experienced technical oversight helps organizations manage these challenges while maintaining schedules and controlling costs.
Comprehensive Project Support
Our construction management services are designed to support every stage of your project, ensuring consistent quality and efficient execution.
Project Planning and Coordination
Early-stage planning plays a critical role in project success. We assist with project scheduling, resource coordination, procurement strategies, and construction planning to ensure work progresses efficiently from the start.
Procurement and Vendor Oversight
We help manage procurement processes and supplier coordination to ensure materials and equipment meet specifications and are delivered according to project timelines.
Construction Monitoring and Progress Control
Our specialists provide ongoing monitoring of construction activities, helping stakeholders track progress, maintain schedules, and address potential delays before they impact project delivery.
Site Inspection and Quality Assurance
On-site inspections and quality verification ensure construction work meets engineering requirements, contractual specifications, and industry standards.
Health, Safety, and Environmental Oversight
Maintaining a safe job site is essential to any successful project. Our team supports safety compliance, environmental controls, and operational risk management throughout the construction process.
Documentation and Project Reporting
Accurate reporting and data management provide transparency throughout the project lifecycle. We maintain detailed documentation, inspection reports, and traceable records to support project accountability and regulatory compliance.
Supporting Complex Industrial and Infrastructure Projects
Our team has experience supporting construction programs across a wide range of industries and project types, including:
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Energy and industrial facilities
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Petrochemical and refining plants
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Pipelines and processing infrastructure
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Utilities and power generation facilities
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Commercial and industrial construction projects
By combining engineering knowledge, field experience, and project management expertise, we help clients maintain control over cost, schedule, safety, and quality throughout construction.
A Practical Approach to Project Success
Every project has unique requirements, and our services are tailored to meet the specific needs of each client. Whether providing a complete on-site project management team or specialized technical experts, we work closely with project stakeholders to ensure construction activities are executed efficiently and according to plan.
With experienced professionals and a strong focus on quality, safety, and transparency, TQS Inspections helps organizations complete complex construction projects with confidence.
Materials Testing of Metals
Comprehensive metal materials testing services
Detailed insight into the properties, composition, and performance of metallic materials used in manufacturing, fabrication, and industrial operations
Materials Testing of Metals
Ensuring the reliability and performance of metal components is critical for industries that rely on structural integrity, safety, and long service life. Materials testing of metals provides detailed insight into the properties, composition, and performance of metallic materials used in manufacturing, fabrication, and industrial operations.
At TQS Inspections, we provide comprehensive metal materials testing services designed to verify that materials and components meet required specifications, industry standards, and operational demands.
Materials testing allows engineers and asset owners to better understand how a metal will perform under real-world operating conditions. Testing can reveal important characteristics such as strength, durability, corrosion resistance, microstructure, and overall material quality, helping organizations confirm that materials are suitable for their intended applications.
Our services support the entire lifecycle of metallic components—from material selection and product development to manufacturing quality control, failure investigation, and in-service asset evaluation. By providing accurate test data and technical analysis, we help clients reduce risk, maintain regulatory compliance, and ensure the long-term reliability of their equipment and infrastructure.
Mechanical and Metallurgical Testing
We perform a wide range of mechanical and metallurgical tests to evaluate the physical and structural properties of metals and alloys. These tests help determine how materials respond to forces, temperature, stress, and environmental exposure.
Common testing methods include:
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Tensile testing to measure yield strength, ultimate strength, and ductility
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Hardness testing using recognized methods such as Rockwell, Brinell, and Vickers
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Impact testing to evaluate material toughness and fracture resistance
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Microstructural examination to assess grain structure and metallurgical characteristics
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Chemical analysis to confirm alloy composition and material identification
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Corrosion and degradation testing to evaluate long-term performance in harsh environments
Mechanical tests such as tensile, hardness, and impact testing help determine whether metals can withstand operational stresses and meet required performance standards.
Supporting Quality, Safety, and Performance
Metal materials testing plays an essential role in quality assurance programs across industries including oil and gas, energy, manufacturing, transportation, and heavy industrial operations. By identifying defects, verifying material properties, and investigating component failures, testing helps ensure equipment performs safely and reliably throughout its service life.
TQS Inspections delivers dependable materials testing services that support informed engineering decisions and improved asset integrity.
TQS Inspections In The Field
Quality Inspection and Construction Management
Take a look at just a few of our representative project featured.
get in touch
Headquarters
3910 Old Highway 94 South
Suite 122,
Saint Charles, MO, USA
P : (636) 939-3774
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