Partner Engineering and Science, Inc opened offices in Dallas and Chicago, expanding their Phase I Environmental Consulting and their Commercial Building Inspection practices to Texas and the Midwest. Partner’s national environmental and engineering due diligence practice is anchored in these two cities by experienced professionals. According to Joseph Derhake, PE, President of Partner, “Our business is about relationships with property owners and lenders and Dallas and Chicago are major banking and commercial real estate investment hubs.”
Primary services being provided from these regional offices are Phase I Environmental Site Assessmentsand Property Condition Assessments. Partner opened these offices in response to demand for services in these areas from national clients and in response to available talent.
Jeff Kiec, Partner’s Dallas Manager, brings 5 years experience with Phase Is and Property Condition Assessments plus Kiec is a LEED Accredited Professional. Kiec’s addition has allowed Partner to expand their services in Texas. Kiec as a LEED AP is a valuable addition to Partner’s Green Building Team.

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.




