The name on truck door is Arch Wood Protection from Conley Georgia. Lonza acquired them in 2011. Lonza is based in Basel Switzerland.
About Lonza
In the Asia Pacific region our history goes back to the Hickson Timber Impregnation company originally established in New Zealand by Hickson Plc of the United Kingdom over 70 years ago and who pioneered the development of the wood preservation industry in much of the Asia Pacific region. As part of the global Lonza Group, Lonza Wood Protection also has operations in the Americas, Europe and South Africa – just about anywhere where there is wood processing and manufacturing industry we have operations or agencies to support customers with well proven products, state of the art application systems and technical support services to preserve, protect and enhance the durability and resilience of wood products against decay, mould, termites, fire and other hazards.

Trailer has placard 3082
Recommended for frequently transported hazardous materials by truck, rail or aircraft. Strong, removable adhesive-backed vinyl. Placard includes 4-digit UN #, hazard class graphic and corresponding class number.
Interesting history and info there, and a nice looking rig, too.