PK Calibration & Validation is accredited to the ISO/IEC 17025 standard through ANAB and is directly traceable to the National Institute of Standards and Technology (NIST)

ANAB AccreditedAccredited for Calibration

ISO/IEC 17025:2017, Certificate Number AC-1814. Companies who have to meet the strict compliance requirements of ISO and the FDA have long recognized PK Calibration & Validation as the calibration vendor of choice.

Highest Quality Service

PK Calibration & Validation’s goal is to provide you with the highest quality service at the lowest practical cost. Whether you have a single item to calibrate each year, or you have 20,000 items to calibrate each year, we can structure a program to best meet your needs. We offer everything from local drop off to customized Calibration Management Services.

We're a Marsden Company!

Marsden Services is a full spectrum facility services provider, offering janitorial, security, building maintenance, and specialty property services throughout the United States.PK Calibration & Validation is a Marsden Services company. Marsden is a full spectrum facility services provider, offering janitorial, security, building maintenance, and specialty property services throughout the United States. Through PK Calibration & Validation's combined national support and local operations, we provide our clients with the strength of a large corporation with the individualized care of a small business.

National Scope

Marsden is one of the largest privately owned facility service providers in the United States. Marsden has over 50 offices throughout the United States and employs more than 10k people. Marsden has thousands of clients across the country and services over 300M square feet every day.

Local Dedication

Despite Marsden's national scope, Marsden focuses on the local markets in which it has acquisitions and office locations. Each office is invested in its community and local clients, providing personalized service. Like a small, local company, the regional offices make decisions on all aspects of their service operations and are empowered to manage their teams and respond to all client needs and requests.

Enterprise Resources

Marsden's local operating companies have the benefit of leveraging Marsden’s resources as a large organization – including staff, technology, equipment, supplies, information, industry experts, and financial support.