General construction, remodel, renovations, tenant improvements, design-build, emergency repairs, facilities maintenance, residential property management.

With almost 200 employees nationwide, OTIE provides full-service environmental and traditional construction; natural/cultural resources; investigation and environmental planning; infrastructure engineering

Building General Construction, Construction Management, Inspection Services, Roofing Contractors, Force Protection (Fragment Retention Film, Barricades, Security Devices), Design-Build, Paving, Painting,