Science and technology in Beaverton, OR

LTK Engineering Services, founded in 1921, is one of the largest rail transportation consulting firms in the United States. The company serves local, regional, state and federal public agencies. It has regional offices in Boston, Chicago, Dallas, Denver, New York, Los Angeles and Seattle. LTK Engineering Services offers customized design, inspection, rail car and component testing, warranty administration and accident repair services. The company has assisted in the procurement, construction and refurbishment of more than 10,000 passenger rail vehicles. It provides planning services that include feasibility studies, estimation of capital and operating cost and quality control procedures. LTK Engineering Services maintains a location in Portland, Ore.

AMEC is an international project management and services company working in more than 40 countries throughout the world. The company provides total life of asset services, which include designing, delivering and supporting clients investments in capital assets. The company operates in three key areas. In the area of engineering and technical services, the multi-technical and environmental businesses provide services to a diverse regional and international client base. In the area of oil and gas, AMEC provides total life of asset services to clients in the international oil and gas industry. AMEC's project solutions business has grown out of its traditional construction activity. This business is an important generator of future value and comprises construction services and developments. AMEC has a location in Portland, Ore.