NGI/NTI is very experienced with materials testing and
inspection services. The company has completed
materials testing, special inspection, engineering,
geologic, and environmental services on over 9,000
projects. NGI/NTI provides on-call materials testing
and inspection services for Toyota, Weyerhaeuser, Georgia
Pacific, Boise Cascade, British Petroleum, City of
Portland, Chemeketa Community College, Portland Community
College, Port of Portland, TriMet, the US Army Corps of
Engineers, Boeing, Xerox Corporation, Tektronix, Centex
Homes, VoiceStream Wireless (T-Mobile), and numerous other
private companies and government agencies. NGI/NTI
has provided professional and technical services for the
cities of Tualatin and Wilsonville since 1983, and the
City of Woodburn since 1990. NTI has provided
flexible testing services for Lake Oswego Public Works
projects since 1997. NGI/NTI is currently providing
special inspection services under flexible service
contracts for the Port of Portland, City of Portland
Bureau of Parks & Recreation, City of Portland Bureau
of General Services, and the City of Portland Materials
Testing Lab.