C.G. Laboratories delivers rigorous medical device testing, sterilization validation, and compliance solutions for manufacturers worldwide — where service and guidance never stop.
From sterilization validation to environmental monitoring, our ISO-certified laboratory delivers end-to-end compliance solutions that get your devices to market safely and efficiently.
Our ISO 13485:2016 certified microbiology laboratory offers bioburden testing, sterility testing, bacteriostasis/fungistasis validation, endotoxin testing, and more — with over 90 years of collective team expertise serving the medical device industry.
Learn MoreWe are a recognized leader in medical device sterilization validation — covering ethylene oxide, steam, and E-Beam sterilization processes — ensuring full FDA and ISO regulatory compliance for sterile device manufacturers.
Learn MoreComprehensive validation and development of Manufacturer's Instructions for Use (IFU) for reusable medical devices, including washer disinfector validation and automated cleaning consultation to ensure safe reprocessing.
Learn MoreTailored decontamination and sterilization services for complaint devices, with customizable processes for specific device specifications. Our operational TAT performance consistently exceeds our 72-hour objective for rapid turnaround.
Learn MoreTurn-key contract packaging services for sterile medical devices and non-sterile products, including sealing validation, packaging integrity testing, hydrogel contract packaging, and full shelf-life studies to market readiness.
Learn MoreProactive environmental monitoring programs for manufacturing facilities and cleanrooms — including air microbial monitoring, surface sampling, cleanroom disinfection validation, and particle counter services to maintain GMP compliance.
Learn More
Founded in 1983 by Dr. Glenn Crum, C.G. Laboratories began as a microbiology laboratory and has grown into a multi-service company with three distinct divisions spanning 19,000 square feet across two sites in Granbury, TX. We are FDA-registered and hold ISO 13485:2016 and MDSAP accreditations. Our scientists work directly with you — human-to-human — to solve complex regulatory and scientific challenges, guiding you from concept through distribution.
Discover Our StoryOur scientists work with you, human-to-human, offering customization and comprehensive solutions at every stage. Our service and guidance never stop.
Don't take our word for it — hear directly from the medical device manufacturers and healthcare companies who rely on C.G. Laboratories every day.
"Your facility and work ethics are of the highest standards in the world, and I do and have recommended CG Labs to everyone who asks."
"No task is too small. They make us feel as if I'm their only customer… if they aren't able to provide an answer at the time of the call, they will get with me ASAP."
