Since 1934, Brooklyn-based Micro Essential Laboratory has manufactured U.S.-made pH testing papers and sanitizer test kits for customers worldwide. Its Hydrion and pHydrion products are supported by lot-specific calibration using NIST-traceable standards, and the company is accredited to ISO/IEC 17025:2017 through A2LA. Micro Essential also offers private-label and custom packaging services for bulk customers.
ISO/IEC 17025:2017
A2LA Accreditation
ISO17025
Quality certification
Laboratory Testing (LTI)Family-owned since 1984, Laboratory Testing (LTI) is a Philadelphia-area independent laboratory known for handling mission-critical results with close owner and management oversight. It serves manufacturers and regulated industries that need dependable materials testing, calibration, and reporting, with much of the work completed at one location and rush service available when deadlines tighten. LTI’s quality credentials include A2LA ISO/IEC 17025 and Nadcap accreditation.541380HATFIELD, PA
Propper Manufacturing Company, IncFamily-owned since its founding in 1945, Propper Manufacturing Company is a Long Island City medical-device maker known for helping healthcare professionals verify that sterilization processes have worked. Its U.S.-made products and biological monitoring service support clinical and non-clinical customers, while its OEM work adapts medical devices to the requirements of partner brands. Propper is ISO 13485:2016 certified and recently received FDA clearance for its EO Chex indicator tape.LONG ISLAND CITY, NY
RICCA Chemical CompanyFounded in Arlington, Texas, in 1975 by chemist Dr. Paul J. Ricca, RICCA Chemical Company manufactures ready-to-use laboratory chemicals, analytical solutions and standards, including custom blends made to customer specifications. The company now operates three U.S. manufacturing locations and supports its products with ISO 9001:2015-certified facilities, ISO 17025-accredited laboratories and ISO 17034-accredited reference-material production.POCOMOKE CITY, MD
CCT (Coating & Converting Technologies, LLC)Since 1992, Philadelphia-based CCT (Coating & Converting Technologies, LLC) has manufactured pressure-sensitive adhesive tapes and films, combining coating and converting with application-specific customization. Its products serve demanding uses from automotive components to medical wearables, while an on-site ISO/IEC 17025:2017-accredited testing lab supports product qualification and ongoing quality assurance. CCT is also registered to ISO 9001:2015.PHILADELPHIA, PA