We are proud to announce that ARRO Consulting has been recognized among Engineering News-Record’s 2026 Top 200 Environmental Firms! This national recognition marks an important milestone in our continued growth as a multidisciplinary engineering and consulting firm.
Engineering News-Record (ENR) is a leading publication covering the engineering and construction industries, known for its industry news, analysis, and annual rankings. Its Top 200 Environmental Firms list ranks companies based on annual environmental services revenue, recognizing firms across a broad range of environmental markets, including consulting, remediation, water and wastewater, and other specialized services.
For ARRO, this recognition is especially meaningful as we celebrate our 80th anniversary in 2026. What began as a small engineering firm eight decades ago has grown into a thriving multidisciplinary organization serving municipalities, businesses, and industries through a diverse range of engineering, environmental, technology, and infrastructure services. To receive national recognition during such a milestone year is a proud moment for us.
ARRO’s environmental capabilities extend across multiple service lines and disciplines, reflecting the diverse expertise we bring to our clients. From environmental consulting and permitting to stormwater management, water and wastewater engineering, and contract operations, our teams work together to address a wide range of environmental and infrastructure needs. This collaborative approach allows us to provide comprehensive solutions that support our clients’ goals while helping protect and strengthen the communities they serve.
While this is our first appearance on ENR’s Top 200 Environmental Firms list, this milestone reflects years of hard work, collaboration, and a shared commitment to delivering quality services to our clients. It also reflects the relationships we have built and the expertise we have developed along the way. We are incredibly proud of this achievement and grateful to the employees whose dedication and expertise have helped bring ARRO to where it is today.
ARRO Consulting is a multidisciplinary engineering and consulting firm committed to delivering sustainable water, environmental, technology, and infrastructure solutions. With decades of experience and a reputation for excellence, ARRO partners with public and private sector clients to plan, fund, and execute impactful projects. Learn more at www.arroconsulting.com.
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ARRO Consulting has been recognized among ENR’s 2026 Top 200 Environmental Firms, highlighting the company’s diverse environmental expertise and marking a significant milestone in its 80-year history.
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