
For the fifth straight year, Partner continues to climb the ENR Top 500 Design Firms list. This year, we are proud to announce that we jumped 52 places up the list, cracking the top 200 and happily occupying spot #192. In commercial real estate due diligence, Partner is a trusted name for Phase I Environmental Site Assessments and related services.
This news comes as the market for construction design services is poised for a takeoff, with major design firms preparing for the Trump administration’s funding and tax proposals to translate into new development.
So far, 2017 has proven to be an optimistic year in terms of market health, with many of the firms on this list citing early indications that clients, particularly on the private-sector side, think the new administration will cut taxes and regulations, and encourage new capital investments.
“Commercial real estate private-equity firms are seeing all-time highs in fund-raising. Generally, these funds are creating investments that will drive work for engineers,” says Joseph P. Derhake, CEO of Partner Engineering and Science Inc.
More on the full list can be found here.

May 27, 2026
In cities across the country, historic industrial assets continue to present challenges and untapped potential. For developers willing to navigate the complexity – and for advisors equipped to translate that complexity into actionable insight – these properties can become catalysts for long-term urban reinvestment.

May 20, 2026
Corey Myers discusses how proactive indoor air quality programs help commercial property teams prevent mold, moisture, and tenant complaints before they escalate.

May 20, 2026
Frank Krech, Sr. Engineer at Partner, brings years of expertise in structural engineering, building envelope consulting, & restoration engineering.




