Download this electronic edition instantly in page-image format (PDF). Now in its 11th year, ENR's annual ranking of the Top 200 Environmental firms is a who's who of industry leaders in water and wastewater design, construction and privatization; solid, industrial and nuclear waste cleanup, and environmental compliance. With mergers and acquisitions and market shifts, the list changes significantly each year. Breakout tables provide detail on Top Firms in key market niches and disciplines, contract awards and firms working overseas. This issue, along with the other ENR survey issues, has a long shelf-live and, therefore, is used as reference tools throughout the industry. Lead Story
The Top 200 Environmental Firms: Back on Track After Two Years of Reversal. Snapping a two-year revenue losing streak, ENR's Top 200 environmental firms bounced back in 2004. The firms registered $33 billion of environmental work overall in the 10th annual surey, 1 5% increase over 2003... Bonus Addition
We added a supplement to this 2005 Electronic Edition of The Top 200 Environmental Firms edition which is not available elsewhere. "Subsidiaries Listed By Rank" includes a listing of the name of each firm's subsidiaries. About the Rankings
Companies are ranked based on gross revenue they reported in 2004 for providing environmental services and products to domestic and international markets. The proportion of a firm's gross environmental services revenue to its total gross revenue is provided as a percentage. Revenue figures are in $ millions. Type of Firm: Designations are based on the largest proportion of environmental revenue reported by firms in seven categories: DES=Design, consulting and/or studies; CON=Construction and/or remediation; PM=Project and/or program management; EQP=Equipment and/or product manufacture; R&D=Technology and/or research & development; LAB=Laboratory and/or analytical services; OPS=Contract operations; OTH=Services not included in the above categories. Two or more designations appear if the largest proportion of revenue is evenly split between two or more categories, or if these categories are within 5% of each other. Tables Include: The 2005 Top 200 at a Glance: volume, profitability, corporate structure/results, ownership, market analysis, international regions The Top (company name and revenue):
All-Environmental Firms
Design/Consulting/Studies
Construction/Remediation
Hazardous Waste
Nuclear Waste
Water Treatment/Supply
Waste/Stormwater Treatment
Air Pollution Control
Environmental Management
Environmental Science
Firms by Clients Top 25 Environmental Firms by New Contracts
Top 50 Environmental Firms by New Contracts
Top 20 In Environmental Science
Top 20 All- Environmental Science
Top 20 in Design/Consulting Studies
Top 20 in Construction/Remediation
Top 20 Hazardous Waste
Top 20 Nuclear Waste
Top 20 Treatment/Supply
Top 20 Waste/Stormwater Treatment
Top 20 Air Pollution Control
Top 20 Environmental Management
Top 30 Environmental Firms Working Abroad Graph: Europe Rebounds, Asia Sags | 
