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Formed in 1945 as Pierson & Tidball, the firm originally provided Civil/Structural and Mechanical Engineering. As time passed, the emphasis of work became exclusively Structural. Upon the death of James G. ( Jim ) Pierson in 1968, corporate status was assumed. Operation continues on that basis today. Jerry W. Estoup, P.E., Peder R. Golberg, P.E., and Tonya Halog, P.E. are the principals of the corporation. The current size of the firm is nine people. Our office is located in the heart of Portland, Oregon at 320 SW Stark, Suite 530 in the historic Oregon Pioneer Building. We are located above the landmark restaurant Huber's ( the oldest restaurant in town ). Since 1968 James G. Pierson, Inc has provided structural design for projects constructed in 35 of the continental United States, Alaska, Hawaii, Puerto Rico, Australia and in several of the provinces of Canada. With local architects and School Districts we provide design for school buildings whose constructed value averages $20 to $30 million annually. Over 235 educational projects have been completed since 1968. Reports and studies for the purpose of determining suitability for continued use and requirements for seismic upgrading are often prepared by the Firm. Throughout the years the Firm has also provided structural services for approximately eighty historic renovation projects. Over the last decade and a half we have averaged about a million square feet every three to four years of retail and strip center construction. Working with a local specialty design/build firm, we provide structural design for a significant portion of the Mausoleums & Columbarium's constructed in the United States and Canada. Approximately 480 such structures have been designed with yearly construction averaging over $25 Million. We also provide services as a specialty firm for the design of windows, storefronts, and curtain walls for many glass companies in the Northwest.

Kittelson & Associates provides transportation planning, engineering and research services to government agencies, municipalities and private organizations throughout the United States and Canada. It specializes in developing solutions that improve the performance of highway, pedestrian, bicycle and transit systems. The company s services in the area of transit systems include feasible transit treatment, bus operation simulation, ridership forecasting, operating cost estimation and functional design development. Additionally, it provides design and planning services for specialized transit projects, such as streetcar lines, aerial trams and gondolas. The company participates in various national transportation research and professional committees that include Transportation Research Board and the Institute of Transportation. Kittelson & Associates maintains its headquarters in Portland, Ore.

Vertex Mechanical is a reputable heating, ventilation, and air conditioning (HVAC) company based in Portland, OR. Specializing in installation, maintenance, and repair services, they cater to both residential and commercial clients. With a team of skilled technicians, Vertex Mechanical ensures efficient and reliable HVAC solutions to meet the unique needs of each customer. Committed to quality workmanship and customer satisfaction, they strive to provide top-notch services at competitive prices. Generated from their business information