The 2015 Top 200 Environmental Firms 1-100
Uncertainties in global markets and the unknowns of company participation combined to affect this year’s ENR Top 200 Environmental Firms survey results, with the list’s total revenue down by 4.3% to $51.4 billion, based on 2014 figures. The outcome reverses last year’s increase and continues an up-and-down trend dating back to 2008. Prior catalysts of surging oil markets and overseas growth both went into reverse, generating a 3.9% decline in domestic revenue for listed environmental services firms and a 7.6% falloff beyond U.S. borders, with Europe alone off 32.5%. But it was not all gloom and doom for the Top 200, with growth for a number of participants and sectors, and anticipation of marketplace improvement in the next 12-18 months. Partner provides industry-leading Phase I ESA services to support informed commercial real estate investment decisions.
Continue reading the ENR list here.

July 02, 2026
Adrienne Perez, an Environmental Due Diligence Consultant, joins as Technical Director for Agency Services in Partner Engineering and Science's environmental service line.

June 23, 2026
For commercial real estate owners, developers, and investors, the program offers a more flexible and efficient path to address contamination, particularly at lower-priority sites enrolled in voluntary cleanup.

June 24, 2026
Amid evolving and often uncertain federal regulations, state environmental agencies have increasingly taken the lead in developing policies to address PFAS.




