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Contribute to some of the most challenging and technically complex projects of the century. Flatiron is a leading transportation and infrastructure contractor in North America. We develop innovative solutions to build landmark projects including roads, bridges, rail, airports, dams, water, industrial and underground infrastructure for both public and private clients. Flatiron delivers projects through a variety of contracting methods, including design-build and public private partnerships. Building successful projects across North America, Flatiron is consistently ranked in the top 50 contractors, the top 10 bridge contractors and the top 10 highway contractors by Engineering News-Record. Founded in 1947, Flatiron has grown geographically over the years and now operates under six divisions across the U.S. and Canada. Flatiron is a subsidiary of German-based HOCHTIEF, one of the world`s largest international construction service providers.
Parkhill was established in 1945 and has more than 400 employees in offices across Texas, New Mexico, and Oklahoma. Parkhill is a multidisciplinary firm that provides comprehensive architectural and engineering design services for a multitude of projects in government, commercial and institutional sectors - including K-12 and higher education, public works, environmental, infrastructure, transportation, healthcare, and church facilities. Parkhill`s design professionals include architects, civil engineers, interior designers, landscape architects, MEP engineers, structural engineers, and professional surveyors.
Founded in 1954, Mortenson Construction is a U.S.-based, family-owned construction company.
Empire State Realty Trust, Inc. is a New York City-focused Real Estate Investment Trust (REIT) that owns, manages, and operates a diverse portfolio of office, retail, and multifamily properties. Headquartered in New York, the company is best known for its flagship property, the Empire State Building, a major tourist attraction and an iconic symbol of the city. As of March 31, 2025, Empire State Realty Trusts portfolio includes approximately 7.9 million rentable square feet of office space, 0.8 million rentable square feet of retail space, and 732 residential units. The company emphasizes modernized and well-located properties, with a strong commitment to sustainability. Its entire portfolio is powered by 100% renewable wind energy, making it a leader in energy efficiency within the real estate sector. Many of its properties are certified under rigorous third-party building certification systems, promoting healthier environments for occupants.