The objective of C.G. Laboratories, Inc. is to offer Service and Guidance through:
-Our Experts partnering with your Experts to drive your Business Success
-Our Customizable Services that are flexible to fit your Specifications & Timelines
-Our Comprehensive Solutions for your Quality Assurance needs


Dr. Glenn Crum, president of C.G. Laboratories, Inc., holds a Bachelors of Science degree from Texas A&M University and a Masters and Doctorate from the University of North Texas. Before opening C.G. Laboratories, Inc., Dr. Crum worked with Johnson & Johnson in microbiology research. His work included microbial research on antimicrobial agents and new product development. Dr. Crum also worked with cobalt radiation sterilization, microbiology testing, chemistry testing, and ethylene oxide operations.

Dr. Crum founded C.G. Laboratories, Inc. in 1983 with the objective of offering service that meets customer requirements and provides guidance that exceeds customer expectations. The laboratory offered medical device testing that included product sterility, pre-sterilized bioburden, environmental monitoring and sterilization validations. In 1987, Dr. Crum added additional services such as on-site audits for good manufacturing practices. In 1996, C.G. Laboratories, Inc. was relocated to Granbury, Texas and expanded its services to include packaging medical devices, sterilization and distribution of medical devices for various companies worldwide.

C.G. Laboratories, Inc. currently has two locations for a total of 19,000 square feet to serve all of your needs. We are registered with the FDA and ISO accredited to 13485:2003 to ensure that all of our services are regulated, current and quality-driven.

The objective of C.G. Laboratories, Inc. is to offer Service and Guidance that shall meet customer requirements while striving to exceed customer expectations. Through our Quality Management System, we monitor our own performance, set and monitor objectives, measure the satisfaction of our clients, and strive to maintain a clear company-wide focus on excellence.

Our Standards

Current United States Pharmacopeia is the official pharmacopeia of the United States, published dually with the National Formulary as the USP-NF. Prescription and over–the–counter medicines and other health care products sold in the United States are required to follow the standards in the USP-NF. USP also sets standards for food ingredients and dietary supplements.
American Standard Test Methods, develops and publishes standards detailing international standards and technical standards for a wide range of materials, products, systems, and services.
Association for the Advancement of Medical Instrumentation, develops and publishes standards detailing the proper production quality for medical instruments and the procedures in which they are used.
ISO 13485 certification and standards for Medical Device Testing that is an Internationally recognized standard of Quality.
Publishes standardized, chemical and microbial analysis methods designed to increase confidence in results of chemical and microbiologic analyses. Government agencies and civil organizations often require that laboratories use official AOAC methods.
Stability and Aging Temperature and Humidity Standards.
Code of Federal Regulations that deal with Human Tissue and Bone Regulations