We are excited to congratulate our outstanding clients for being recognized among the Top 200 Environmental Firms of 2025, as ranked by Engineering News-Record (ENR).
This well-earned recognition reflects your dedication to innovation, quality, and excellence across the environmental industry. Released on October 13, 2025, the ENR Top 200 Environmental Firms list highlights the leading organizations driving progress and impact in environmental services—reporting a combined $178.6 billion in global revenue for 2024.
Standing out in today’s competitive landscape is an achievement that speaks to your expertise, integrity, and commitment to making a difference. Your success inspires us, and we are honored to partner with so many of this year’s top-ranked firms.
At Merit Laboratories, we’re proud to play a role in advancing environmental innovation through reliable analytical testing, trusted partnerships, and a shared commitment to quality.
Merit Laboratories is proud to support the following ENR Top 200 Environmental Firms (presented alphabetically with ENR ranking in parenthesis):
AECOM (3)
Antea Group (47)
Apex Cos, LLC (59)
APTIM (54)
Arcadis NV (18)
Atlas Technical Consultants (79)
August Mack (182)
Barr Engineering (117)
Clean Earth (33)
Clean Harbors, Inc. (5)
DLZ Corp (163)
EA Engineering Science & Technology, Inc. (76)
Egis (62)
GEI Consultants, Inc. (115)
Geosyntec Consultants, Inc. (49)
GHD Group (31)
Gresham Smith (177)
GZA (118)
Haley & Aldrich, Inc. (95)
HDR (20)
ICF International, Inc. (37)
Jacobs Solutions, Inc. (8)
Labella Associates (167)
Leidos, Inc. (32)
Parsons Corp. (39)
Pinchin LLC (100)
Ramboll (23)
Stantec, Inc. (14)
Terracon Consultants, Inc. (68)
Tetra Tech, Inc. (6)
TRC Cos, Inc. (29)
TriHydro Corp (131)
Veolia SA (1)
Verdantas (84)
Weston Solutions, Inc. (38)
Woodard & Curran (64)
WSP Global, Inc. (4)
To learn more about how we support leading firms across the industry, visit meritlabs.com or contact our team today. Merit Laboratories is one of the nation’s leading environmental testing laboratories, analyzing air, soil, wastewater, groundwater, drinking water, and other sample matrices for a diverse range of analytical parameters. Merit is designated as a Small Business Enterprise (SBE) and Woman-Owned Business Enterprise (WBE).