Welcome to John Gerrish & Associates, LLC
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Who We Are
JGA is a trusted provider of hazardous materials / dangerous goods training and consulting for commercial and military logistics. We provide the regulatory expertise and real-world skills needed to safely transport dangerous goods worldwide.
Our experts deliver the crucial knowledge you need to safely pack and ship any type of cargo.
We focus on teaching the practical skills required to prepare hazardous materials / dangerous goods shipments for ground, air, ocean and / or rail transportation. This includes proper classification, packaging, marking, labeling and documentation to meet all regulatory transport requirements.
Our commitment goes far past textbook learning, we provide the ongoing support and professional resources you need to master the complexities of the transport regulations.

Why JGA | Our Team | Credentials | Testimonials
Services
We have the capabilities to train and consult on the following regulations:
- 49 CFR (U.S. DOT modal transportation requirements)
- AFMAN (U.S. Air Force Manual 24-604)
- Agreement concerning the International Carriage of Dangerous Goods by Road (ADR)
- ICAO Technical Instructions (TIs)
- IATA Dangerous Goods Regulations (DGR)
- International Maritime Dangerous Goods (IMDG) Code
- Official Mexican Standards (NOMs) on TDG
- Transportation of Dangerous Goods (TDG) Regulations (Canada)
Our deep field knowledge and experience, combined with our advanced training and packaging facilities, allows our instructors and consultants to serve a diverse clientele. To fit your schedule, we offer flexible, engaging learning environments: public courses, custom on and off-site training, as well as online training. We pride ourselves on delivering tailored directly to your unique needs.
- Complex, high consequence, hazmat engineering solutions
- Department of Defense and military packaging engineering
- Medical and laboratory relocations
- Heavy to lightweight industrial equipment packaging engineering
- Chemical and biological regulatory containerization
- Bulk and non-bulk regulatory compliance
- Explosives packaging preparation management
- State Department logistics consolidation
- Vessel (marine) container preparation - 20/40/high cube/flat rack
- All transportation regulatory requirements
- Training and consulting to all transportation regulatory environments

