ONAKA GUMI CO.,LTD.

ONAKA GUMI CO., LTD. specializes in hazardous waste treatment and disposal for Department of Defense installations, with a secondary focus on commercial and institutional construction services. The contractor manages the safe handling, stabilization, and disposal of industrial, flammable, and non-regulated liquid wastes, including specialized waste streams such as alkaline and organic residues, often under stringent military environmental protocols. Their technical expertise includes hazardous material classification, containment systems, and compliance with federal hazardous waste regulations for DoD facilities, particularly in Okinawa. In construction, they deliver critical infrastructure upgrades such as fall protection netting systems to mitigate concrete spalling risks on military installations, demonstrating proficiency in structural safety remediation and site-specific engineering solutions. The contractor maintains a consistent and deep relationship with the Department of Defense, delivering mission-critical environmental and construction services across multiple Okinawan bases. Their work supports operational readiness by ensuring compliance with DoD environmental standards and maintaining safe, functional facilities under high-use conditions. The consistency of awards indicates a trusted, recurring role in sustaining defense infrastructure and environmental compliance in the Pacific region. ONAKA GUMI’s primary industry focus is hazardous waste treatment and disposal (NAICS 562211), complemented by commercial building construction (NAICS 236220). They position themselves as a niche provider of integrated environmental remediation and facility maintenance services tailored to military and government installations, with particular strength in handling complex, regulated waste streams and performing precision construction tasks in active operational zones. As an 8H-certified entity based in Urasoe City, Okinawa, ONAKA GUMI operates as a locally rooted contractor with direct access to U.S. military installations in the Ryukyu Islands. While no federal certifications are listed, their sustained performance on DoD contracts reflects proven reliability in high-stakes, regulated environments. Their geographic presence enables rapid response and logistical efficiency for time-sensitive environmental and construction tasks across the Indo-Pacific theater.