Specialty Labs IndexSpecialty Labs Index is a procurement-grade reference for sourcing specialty and technical testing laboratories: materials & mechanical testing, environmental testing, calibration & metrology, non-destructive testing (NDT) & failure analysis, and product safety & compliance testing. Understand every testing discipline, learn exactly what to verify before you retain a lab, request sourcing help, and explore a reference to notable real labs in the space. Procurement support, not safety or legal advice.https://specialtylabsindex.com/en-usHow to Choose a Materials Testing Laboratory — sourcing a specialty testing labhttps://specialtylabsindex.com/guides/how-to-choose-a-materials-testing-laboratory/https://specialtylabsindex.com/guides/how-to-choose-a-materials-testing-laboratory/A buyer checklist for sourcing a materials and mechanical testing lab: what to verify, RFP questions, red flags, and notable real providers.How to Choose an Environmental Testing Lab — sourcing a specialty testing labhttps://specialtylabsindex.com/guides/how-to-choose-an-environmental-testing-lab/https://specialtylabsindex.com/guides/how-to-choose-an-environmental-testing-lab/A buyer checklist for sourcing an environmental testing lab: state certification, holding times, detection limits, RFP questions, and red flags.How to Choose a Chemical Testing Lab — sourcing a specialty testing labhttps://specialtylabsindex.com/guides/how-to-choose-a-chemical-testing-lab/https://specialtylabsindex.com/guides/how-to-choose-a-chemical-testing-lab/A buyer checklist for sourcing a chemical testing lab: instrumentation fit, detection limits, accreditation scope, RFP questions, and red flags.How to Find an ASTM-Accredited Testing Lab — sourcing a specialty testing labhttps://specialtylabsindex.com/guides/astm-accredited-testing-lab-buyers-guide/https://specialtylabsindex.com/guides/astm-accredited-testing-lab-buyers-guide/What "ASTM-accredited" actually means, how ISO/IEC 17025 accreditation works, and how to verify a testing or calibration lab's real scope of accreditation.What Is a Third-Party Testing Lab (and When You Need One) — sourcing a specialty testing labhttps://specialtylabsindex.com/guides/what-is-a-third-party-testing-lab/https://specialtylabsindex.com/guides/what-is-a-third-party-testing-lab/What "third-party testing" actually means, how it differs from first- and second-party testing, and how to verify a lab's real independence.How to Choose a Product Testing Laboratory — sourcing a specialty testing labhttps://specialtylabsindex.com/guides/how-to-choose-a-product-testing-laboratory/https://specialtylabsindex.com/guides/how-to-choose-a-product-testing-laboratory/A buyer checklist for sourcing a product safety and compliance testing lab: NRTL status, standards fit, RFP questions, and red flags.Failure Analysis Laboratory: A Buyer's Guide — sourcing a specialty testing labhttps://specialtylabsindex.com/guides/failure-analysis-laboratory-buyers-guide/https://specialtylabsindex.com/guides/failure-analysis-laboratory-buyers-guide/A buyer checklist for sourcing a failure analysis lab: evidence preservation, root-cause methodology, expert-witness fit, RFP questions, and red flags.NDT Testing Services: A Buyer's Guide — sourcing a specialty testing labhttps://specialtylabsindex.com/guides/ndt-testing-services-buyers-guide/https://specialtylabsindex.com/guides/ndt-testing-services-buyers-guide/A buyer checklist for sourcing non-destructive testing (NDT) services: technician certification, method fit, calibration records, RFP questions, and red flags.