About Us
Building in the Southwest for over sixty years, Tpac is a recognized leader in the design, manufacture, and erection of precast/prestressed architectural concrete building systems for parking structures, bridges, and major commercial, healthcare, justice/correctional, industrial, and mixed-use facilities in the Southwest. Tpac can supply precast/prestressed building systems in Arizona, Southern California, Nevada, Utah, New Mexico, and West Texas. Our decades of experience, combined with time-tested technology, make Tpac a leader in providing economical solutions and a rapid delivery system to meet today’s construction environment.
Tpac will provide in-house design assistance, engineering support and expertise from the earliest stages of a project to provide a cost-effective structure that minimizes construction time and increases durability. Tpac works with architects, engineers, contractors, and developers to achieve solutions and successes by engineering, manufacturing and installing the highest quality precast, prestressed architectural concrete structures in the industry. Tpac’s leading edge technologies feature business information modeling (BIM) which visualizes in 3D and tracks projects data.
Tpac’s team of professionals has a proven track record with vast experience engaging in all aspects of projects from estimating through completion and is dedicated to quality, innovation, efficiency and safety. Tpac is a PCI (Precast/Prestressed Concrete Institute) member. Tpac is dedicated to sustainable solutions and is an accredited subcontractor for LEED® certified projects.
Tpac is part of the EnCon United group of companies, a consolidation of leading producer companies upon which the Prestressed/Precast Industry Concrete Industry was built. These companies have been proudly providing prestressed/precast concrete construction materials for 70 years and have delivered more than $3 Billion dollars of architectural, structural, and heavy highway infrastructure projects throughout the United States. The EnCon group of companies continue to build on its established reputation and vast experience in the prestressed/precast industry by expanding with innovative product lines, cutting-edge design techniques, and an active acquisition program.
Divisions
The EnCon Companies
Tpac is a division of the EnCon United group of companies, who have been proudly providing prestressed/precast concrete construction materials for as long as 70 years and have delivered more than $3 Billion dollars of architectural, structural, and heavy highway infrastructure projects throughout the United States.
History
1956
Precast operations started as a division of Superior Sand and Gravel Company.
1961
Superior Sand and Gravel became United Materials Company with a strong prestressed concrete department.
1966
Tanner brothers Contracting Company acquires United Material Company including the strong arm devoted to prestressed concrete products. For the next several years this innovated group continued to expand its product line purchasing the Span Deck franchise, installing two 450 foot bridge girder lines which opened the door for United-Metro to become the largest girder producing manufacturer in the Western United States.
1968
A new corporation was formed wherein United Metro would own half interest and Johnson Construction Company of Tucson would own half interest. This new company would be incorporated under the name Tucson Prestressed and Architectural Concrete Company, Tpac for short.
1969
Johnson Construction Company was absorbed into the Tanner Companies and Tpac became the designation for all the activities of the firm in prestressed concrete and the “T” then stood for Tanner and Tpac has since stood for Tanner Prestressed and Architectural Concrete Division, or simply Tpac.
1970
Tpac was awarded the contract for the First National Bank Building in Phoenix. This building was the largest architectural precast building to be constructed in the city and resulted in the expansion of the Phoenix precast facility.
1988
Apac purchased Tpac from the Tanner Companies and expanded construction operations into the western region.
1994
Acquired by Kiewit Construction Company
2015
Acquired by EnCon United
Careers
Explore Opportunity
Come work with a leader in the construction industry. Whether you’re in the field or in the office, we offer opportunities for a career—not just a job.
