OTIE is a Native American, tribally-owned, SBA-certified 8(a) small disadvantaged business dedicated to ethical and safe engineering and scientific consulting, design, and construction services for governmental and commercial customers nationwide.

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The Six Nations

Environmental Services

Adaptive multi-media investigation, risk assessment, design, natural resources restoration, and web-based data management

Remedial Design/Build/Operate

Innovative and traditional remediation technologies, O&M, and process optimization to accelerate remediation and site closure

Infrastructure Engineering

Transportation planning; highway, intersection, roundabout design; inspection; public involvement support; and hydraulic analysis/design

Traditional Construction

Construction and construction management services for structures and utilities; site development; and demolition

Homeland Security/Emergency Response

Contingency planning and modeling, vulnerability analysis, emergency response training, air monitoring, federal disaster response