Partner Engineering Rises in ENR's 2026 Top 500 Design Firms, Showcasing Resilience in Design Services

Partner Engineering's Ascent in the 2026 ENR Rankings



Partner Engineering and Science, Inc. recently achieved a noteworthy milestone by climbing to #109 on Engineering News-Record's (ENR) esteemed Top 500 Design Firms list, ascending from #113 the previous year. This marks the company's thirteenth consecutive year on the ENR list, showcasing its increasing influence and robust capabilities within the design and consulting industry, even in the face of recent market fluctuations.

The firm didn’t just stop at the Top 500; it also elevated its status to #93 among ENR's Top 100 Pure Designers, moving up three spots from its initial appearance last year at #96. These improvements underscore the effective growth strategies that Partner has employed, particularly in expanding its solutions-focused business model and reinforcing its reputation for design excellence. Rankings are determined based on each company's reported revenue for the previous year — in this case, 2025.

CEO Joe Derhake emphasizes the significance of this advancement. “Our upward trajectory in both rankings illustrates the momentum we are generating across our engineering, environmental, and energy divisions,” he stated. Partner has adeptly positioned itself to meet the unique demands of the commercial real estate (CRE) sector by investing in services that foster development efficiency—including everything from construction support to management programs intended to optimize building performance.

With an involvement in nearly 20% of all CRE transactions across the United States, Partner facilitates over 3,000 construction projects annually. This scale of operation highlights the critical support they provide to real estate owners and investors. As transaction volumes in the market have experienced fluctuations, Partner has pivoted its focus towards services that enhance asset and facility management for both property owners and occupants seeking improved efficiency and performance.

Particularly, the company’s risk management services have been pivotal in navigating the complexities associated with these CRE transactions. In line with market demands, Partner’s environmental solutions have also seen significant expansion, focusing on innovative approaches to complex cleanups, ensuring compliance, and enhancing sustainability outcomes.

In the face of challenges within the ground-up construction market, Partner's development support services—including geotechnical investigations and land survey coordination—have witnessed rapid growth. As real estate stakeholders increasingly prioritize operational efficiency, Partner's emphasis on single-source partnerships has become a cornerstone of its success.

Responding to the nation’s increasing energy demands, Partner has extended its practice into power generation and infrastructure, pledging to contribute more renewable and resilient energy options to the national grid. The company's commitment to technological advancement is exemplified by its proprietary platform, SiteLynx, which improves efficiency, assists in the decision-making process, and ensures proactive action.

As Partner Engineering and Science continues its expansion, it remains firmly committed to investing in talent, innovative technologies, and service diversification. Such dedication solidifies its growth trajectory and enhances its leadership position within the design and consulting sector.

For more insights into Partner Engineering, please visit Partner's official website.

About Partner Engineering and Science, Inc.


Partner Engineering and Science, Inc. is the largest provider of engineering, environmental, energy, and construction consulting for the commercial real estate industry. Known for its exceptional service and insights into CRE trends, Partner influences roughly 20% of all U.S. transactions and is recognized for delivering comprehensive third-party physical due diligence reports. Headquartered in Torrance, California, the company employs over 1,400 professionals across 40 global offices. Having been featured seven times on the Inc. 5000 Fastest-Growing Private Companies list and consistently recognized by local and national publications, Partner Engineering epitomizes growth and innovation in the industry.

Partner is devoted to delivering strategic insights that help clients achieve risk management and optimize asset performance, contributing to successful real estate investments.

Topics General Business)

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