Thunderbolt Wood Treating Company, Inc. is a privately owned Treating Service Only (TSO) facility located in Riverbank, California. Established in 1978, Thunderbolt's ownership had the vision and foresight to build an environmentally sound facility and to that end is a "Zero Discharge Facility."

Over the years we have established a reputation for quality and on time services. Thunderbolt has been listed by "The Merchant Magazine" as one of the top ten Western Wood Treaters. We provide treating and wood protection services for lumber, plywood, timber, poles, and a variety of agricultural products to meet our customers' specifications. Our treating services are EPA approved and meet AWPA (American Wood Protection Association) standards. We are proud participants in the Western Wood Preservers Institutes' (WWPI) "Check Mark Program", third party assurance program that assures that we meet the strict requirements of the International Building Code (IBC) as mandated by the American Lumber Standards Committee (ALSC).

Thunderbolt is a proud, participating member of the following organizations:
• Lumber Association of California and Nevada (LACN)

Sustaining Member:
• California Association of Harbor Masters & Port Captains (CAHMPC)
• Western Wood Preservers Institute (WWPI)
• Intermountain Roundwood Associaton (IRA)
• Portland Wholesale Lumber Association (PWLA)
• Treated Wood Council (TWC)
• Cooling Technology Institute (CTI)
• Marina Recreation Association (MRA)

Our Sales and Marketing professionals have personal memberships in the following organizations on behalf of Thunderbolt Wood Treating:
• American Wood Protection Association (AWPA)
• Hoo-Hoo International