Laboratory Testing Inc. (LTI) is a leading independent, family-owned testing laboratory and calibration company headquartered in Hatfield, Pennsylvania. Established in 1984, the company operates a 144,000 sq. ft. facility near Philadelphia, employing over 180 specialists, including engineers, chemists, and machinists. LTI serves mission-critical industries such as aerospace, defense, medical devices, power generation, and additive manufacturing, providing a one-stop solution for material characterization and production testing.
The company offers a comprehensive suite of services including mechanical testing (tensile, fatigue, and fracture toughness), chemical analysis (ICP, AES, and elemental analysis), metallurgical examination, and nondestructive testing (ultrasonic, X-ray, and magnetic particle inspection). Their metrology division provides extensive NIST-traceable calibration services for dimensional, electrical, pressure, and temperature instruments, available both in-lab and on-site. Additionally, LTI features specialized specimen machining capabilities, including waterjet cutting and EDM, to support precise testing requirements.
LTI maintains high-level quality standards with certifications including ISO 9001, ISO 13485, and Nadcap accreditation. Their calibration services are A2LA accredited to ISO/IEC 17025. Through strategic acquisitions of firms like Assured Testing Services, Fracture Technology Associates (FTA), and TACTIC, the company has expanded its technical reach and capacity to provide certified material test reports for global clients. They perform testing to rigorous industry specifications including AMS, ASME, ASTM, and MIL standards.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Product customizationOffers full customization for design and features.
Industry association memberMember of Nadcap, A2LA association.
Established brandFounded in 1984, with over 20 years of industry experience.
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Materials Testing Laboratory
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Fastener Testing
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Laboratory Testing Services From LTI
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Fatigue & Fracture Testing
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Non-Destructive Testing
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Primary Metals Industry and Mills
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Defense and Military Product
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Vacuum Gauge Calibration
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Temperature Calibration
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Mass Calibration
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THYSSENKRUPP
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Certifications
ISO 9001
3
International Organization for Standardization 9001
ISO 13485
3
International Organization for Standardization 13485
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Key export market
🇺🇸 United States🇺🇸 United States
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Ningbo Lab Testing & Inspection Technology Co., Ltd. (LTI) is a professional, independent third-party service company based in Ningbo, China, established in 2021. Operating with 51-100 employees, LTI specializes in product testing, inspection, certification, factory audits, and technology consulting. The company is established and runs according to ISO/IEC 17025 and ISO/IEC 17020 standards, holding qualifications from the China National Accreditation Service for Conformity Assessment (CNAS) and the Consumer Product Safety Commission (CPSC) in the USA. LTI provides one-stop solutions for manufacturing, processing, and import/export enterprises, covering a wide range of products including electronic equipment, toys, stationery, jewelry, garments, footwear, lighting, food, tableware, engineering machinery, and building materials. They also offer professional customs clearance certificate consultation for the Middle East and Africa. With an annual output value exceeding US$100 million and over 90% of its business in export, LTI serves international markets across North America, South America, Eastern Europe, Africa, and Western Europe, aiming to enhance market competitiveness and reduce export risks for its clients.
Third Part Lab (CPSC)$15
Mitchell Laboratories, Inc.
🇺🇸 United States
197411-50 peopleService Company/Trading Company
Established brand
Small batch production
Product customization
Shipments
10
Key customer
FRISA FORJADOS
Key market
🇬🇧 United Kingdom
Description
Mitchell Laboratories, Inc. is a premier provider of non-destructive testing (NDT) and quality inspection services based in Pico Rivera, California. Established in 1974, the company has over 40 years of experience serving critical sectors including aerospace, automotive, nuclear power, shipbuilding, and government defense. Operating from facilities spanning up to 35,000 square feet, the company employs a specialized team of 11 to 50 professionals dedicated to high-precision materials testing and technical analysis.
The company offers a comprehensive suite of NDT capabilities, including radiography, ultrasonic inspection (immersion and gantry), magnetic particle inspection, eddy current testing, and liquid penetrant testing. Their technical expertise extends to chemical etching for aluminum, metrology, and calibration services. These services are applied to a wide range of components such as aircraft structures, composite materials, welded assemblies, castings, and fasteners. To support complex aerospace requirements, the laboratory utilizes specialized equipment including rotating engine tanks and large-scale immersion tanks.
Mitchell Laboratories maintains rigorous quality standards, holding AS9100 and ISO 9001 certifications. They are also NADCAP certified, FAA approved, and ITAR registered, ensuring compliance with the most demanding industrial and governmental regulations. As a service-oriented company with international trade experience, they focus on innovation and timely execution to minimize turnaround times for global supply chain partners.