About MPL

Contract Manufacturing and Packaging

Full-Service Contract Manufacturer

Medical Products Laboratories, Inc. is a full-service contract manufacturer of human and veterinary pharmaceutical, nutritional, and cosmetic products. Founded in 1928 by Dr. Harold G. Stone, MPL is now a 3rd generation family-owned and privately held corporation. Elliot Stone is President/CEO. However, most daily operations are currently being run by his two sons, Scot and Steven Stone, who maintain the title of Executive VP. Although Dr. Stone has passed, his philosophy of creating and distributing high quality, affordable products has been instilled in the generations.

MPL is an FDA-registered manufacturer for drug and devices, ISO certified and cGXP complaint. It continually streamlines its development process by vertical integration of all contract services under one roof. The 250,000 square foot state-of-the-art facility is located just northeast of Philadelphia, PA and houses its extensive operations. MPL’s clients range from entrepreneurial start-ups to Fortune 20 companies located in the United States and abroad. We grow with our smaller customers while adding capabilities to service our larger ones. Whether you are seeking a new CMO for an existing product or have an idea for a new product launch, MPL is a one-stop-shop for all your contract manufacturing needs.

Medical Products Laboratories

MPL’s contract services include:

  • Research & Development
  • Samples for Clinical Trial
  • Test Method Development for Raw Materials and Finished Product
  • Pilot & Submission Batches
  • Stability (Accelerated, Intermediate, Long Term and Cool Storage)
  • Process, Packaging and Cleaning Validations
  • Regulatory Guidance and Agency Submissions
  • Manufacturing & Packaging
  • Logistics Assistance

With over 90 years in business and over 200 full time employees, MPL can meet your challenges with effective solutions. By continually providing high quality products and outstanding customer service at fair prices, we continually grow with our existing customers while adding new customers that are a strategic fit. We focus on continual improvement from external and internal audits as well as feedback from existing customers, which has helped MPL maintain its impeccable reputation in the industry.


We implement project management into all areas to ensure production schedules, Quality Controls, and minimal lead times are being considered. We are constantly expanding our equipment, experience, and capabilities to proactively improve efficiencies and reduce costs. Our facility and equipment are of the highest caliber, and our full-time staff is dedicated to fulfilling your requirements. Find out how MPL can help bring your product to market. Call MPL at 1-800-523-0191 or submit and New Product Request Form today.