WESTPAK, Inc., is a leading, 3rd-party, independent test laboratory with facilities in San Jose and San Diego, California specializing in package testing and validation for the medical device, and pharmaceutical industries. WESTPAK’s laboratories are certified to ISTA, ISO 9001, and are ISO/IEC 17025-accredited.


WESTPAK’s expertise includes ISO 11607 guidance, plus cold chain / thermal package validation for life science, biotechnology, and the pharmaceutical industries.

Their mission is to provide the best possible and highest-quality testing services in an environmentally-friendly manner, using calibrated and well-maintained equipment, conducted by test engineers and technicians who are knowledgeable, highly motivated, and well-trained.

WESTPAK was launched in 1986 by Herbert Schueneman and Walter Dunning in an attempt to offer high-quality testing services to high tech firms in the central California area. WESTPAK currently employs more than 50 professionals who consider customer service to be their highest priority.

By concentrating on delivering the best possible customer service, WESTPAK now claims a client list of well over 1,000 satisfied firms, more than 50 of which are in the Fortune 500.