Onterris, Inc. (ONT) Montrose Environmental Group, Inc. functions as a specialized provider of environmental services, with a core focus on air quality assessment and comprehensive laboratory analysis. The firm organizes its activities across three primary divisions: Assessment, Permitting and Response; Measurement and Analysis; and Remediation and Reuse. Within the Assessment, Permitting and Response division, the company extends expert scientific advisory and consulting services. These services are crucial for supporting environmental evaluations, managing and recovering from environmental emergencies, offering toxicological insights, and securing necessary environmental permits and conducting audits for various undertakings, including ongoing operations, facility enhancements, new ventures, site closures, and development initiatives. The Measurement and Analysis segment is dedicated to scrutinizing samples of air, water, and soil. Its objective is to pinpoint pollutant concentrations and evaluate the harmful effects these contaminants may have on plant life, animal populations, and human well-being. Finally, the Remediation and Reuse segment furnishes clients with an array of services, including engineering, design, execution, and ongoing operational support and maintenance. The main purpose of these offerings is the purification of polluted water, the extraction of harmful substances from soil, or the conversion of waste materials into biogas. The company was established in 2012 and maintains its corporate headquarters in North Little Rock, Arkansas.
Sector: Services-Management Consulting Services
Industry: Waste Management
Onterris, Inc. NYSE:ONT Industrials · Environmental Services
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All Press Release SEC Filings News
Press Release
Onterris Receives Defense Innovation Unit Success Memo for PFAS Treatment Prototype
Onterris received a Defense Innovation Unit Success Memo after completing a PFAS groundwater treatment prototype at the former Naval Air Station Joint Reserve Base Willow Grove, giving the Department of War a pathway to leverage its technology without a new competitive bid.
The system treated 2.5 million gallons of PFAS-impacted groundwater to EPA drinking water MCLs over eight months, with three regeneration cycles returning to initial performance each time.
The memo opens streamlined federal acquisition pathways for follow-on production and deployment, positioning Onterris for future federal, state, and commercial PFAS remediation demand.
• 5d ago AI analysis › Press Release
Onterris Announces Timing of Third Quarter 2026 Results
Onterris (NYSE: ONT) will release its third quarter fiscal 2026 results after market close on Wednesday, November 4, 2026.
The company will host a conference call to discuss the results and forward outlook on Thursday, November 5, 2026, at 8:30 a.m. ET, with a live webcast at ir.onterris.com and dial-in options for participants.
This is a routine scheduling announcement with no financial figures or guidance included.
• 10d ago AI analysis › Press Release
Onterris Rises to No. 5 Among the World's Leading Pure-Play Environmental Firms
Onterris advanced to No. 5 among the world's leading pure-play environmental firms in the latest ENR Top 200 Environmental Firms rankings, up from No. 7 in 2025.
CEO Vijay Manthripragada attributed the rise to client trust, integrated solutions, and scientific expertise across consulting, remediation, water, and air quality services.
The release contains no new financial figures; the ranking is a reputational milestone rather than a market-moving disclosure.
• 14d ago AI analysis › Press Release
Onterris Showcases Affordable And Proven PFAS Treatment Technology During EPA Administrator Lee Zeldin Visit
EPA Administrator Lee Zeldin visited Onterris' Portland, Maine office to review its PFAS treatment technologies, including the SORBIX RePURE regenerable ion exchange platform, as utilities face new federal water-quality requirements.
Onterris has deployed more than 350 treatment systems globally, including PFAS projects at 34 US federal facilities, and says its regeneration process achieves an approximately 80-million-to-one reduction in waste volume.
The company is investing in US regeneration capacity and a Regeneration as a Service model, with NSF-certified drinking water resin systems sold in North Carolina and Maine and further deployment planned in Ohio.
No contracts or orders were announced; the release positions Onterris favorably as federal PFAS rules expand the addressable market for affordable treatment.
• 20d ago AI analysis › Press Release
Onterris Releases 2025 Sustainability Report, Demonstrating Progress Towards Climate Goals and Strengthening Long-Term Resilience
Onterris published its 2025 Sustainability Report, highlighting progress toward its SBTi-validated net-zero commitment by 2040.
The company reported a 31% reduction in combined Scope 1 and market-based Scope 2 GHG emissions from the 2022 base year, ahead of pace toward its 2030 target of 42%, and a 52% reduction in targeted Scope 3 emissions, surpassing its 2030 goal.
Other highlights include renewable energy at 46% of U.S. purchased electricity, a 21% reduction in fleet fuel use versus 2024, and a TCFD-aligned climate risk assessment. The release contains no financial results or guidance.
• 27d ago AI analysis › Press Release
Onterris Builds Momentum in National Brownfields & Community Revitalization Practice
Onterris reported year-to-date 2026 momentum in its Brownfields & Community Revitalization practice, with 86 client engagements and over $14 million in new work across the U.S., generating nearly $5 million in revenue through July.
Grant-writing support helped clients secure more than $20 million in FY2026 EPA Brownfield Grant awards; Onterris is selected to implement awarded projects roughly 85% of the time, creating a follow-on pipeline.
Notable work includes nearly $3 million in EPA-funded implementation for Alaska Native Corporations and expansion into growth markets such as Florida, Georgia, Tennessee, and Wisconsin.
This is a promotional operational update rather than a formal earnings release; it signals steady demand but carries no new guidance or financial statements.
• 1mo ago AI analysis › Press Release
Onterris Awarded C$9 Million Environmental Services Contract for Major Canadian Natural Gas Infrastructure Project
Onterris has been awarded a contract worth more than C$9 million to provide environmental services during construction of a C$3 billion natural gas transmission project in Canada, with revenue expected through the end of 2027.
The award extends Onterris's role beyond the front-end engineering, permitting, and field investigation phases it previously supported into construction-phase and interim reclamation activities.
Once operational, the pipeline system is expected to deliver more than 1 billion cubic feet of natural gas per day, and the win reinforces Onterris's strategy of full-lifecycle environmental services across major North American energy infrastructure projects.
• 1mo ago AI analysis › Press Release
Onterris Announces More Than $9 Million in New Project Awards From Long-Standing Global Energy Client
Onterris secured more than $9 million in new project awards from a long-standing global energy client during the first half of 2026.
These awards build on a five-year global environmental services contract established in 2025, expanding work across upstream, midstream, and downstream operations.
Services include methane measurement, leak detection, and asset retirement planning across North America, Europe, the Middle East, and Asia-Pacific.
• 2mo ago AI analysis › Press Release ● Major ⚠ 3
Onterris Reports Second Quarter Results, Updates Full-Year 2026 Guidance, and Announces Board-led Strategic Review Process
Onterris reported Q2 revenue of $186.7 million, down from $234.5 million in the prior year, driven by historically low environmental emergency response activity. Net income fell to $1.4 million, or $0.04 per share, while adjusted EPS dropped to $0.51.
The company slashed its full-year 2026 guidance, now projecting revenue of $740 million to $790 million and Adjusted EBITDA of $117 million to $120 million, down from previous ranges of $840-$900 million and $125-$130 million, respectively.
Amidst the downturn, the Board initiated a comprehensive strategic review of alternatives, including evaluating acquisition interest, and adopted a limited-duration shareholder rights plan in response to significant undisclosed share accumulation.
• 2mo ago AI analysis › Press Release
Onterris Hires Kurt Beil as Executive Vice President
Onterris appointed Kurt Beil as Executive Vice President to lead its global Consulting business, reporting to COO James Laws.
Beil brings 30 years of experience from roles at FARA Recovery, GHD, and Arcadis, specializing in environmental consulting and business transformation.
The company aims to strengthen its turn-key capabilities by connecting its consulting expertise with its testing and laboratory offerings.
• 2mo ago AI analysis › Press Release
Onterris Announces Timing of Second Quarter 2026 Results
Onterris announced it will release its second quarter fiscal year 2026 financial results after the market closes on Wednesday, August 5, 2026.
The company plans to host a conference call to discuss the results and business outlook on Thursday, August 6, 2026, at 8:30 a.m. Eastern Time.
Access to the live webcast is available via the investor relations section of the Onterris website, with telephonic participation options also provided.
• 3mo ago AI analysis › Press Release
Tempus Realty Partners Announces $42 Million in Arkansas Acquisitions for Tempus Evergreen Fund
Tempus Realty Partners acquired the North Little Rock corporate headquarters of Onterris as part of a $42.1 million deal for its Tempus Evergreen Fund.
Onterris occupies the facility under a long-term triple-net lease that extends through December 2045, indicating stable occupancy of its headquarters.
The announcement was issued by the landlord to detail its own portfolio growth, which now totals over $330 million in assets.
• 3mo ago AI analysis › Press Release
Onterris Awarded $6 Million Australian Contract to Support Environmental Approvals for Major Mining Operation
Onterris has been awarded a multi-year contract worth approximately A$6 million by an international mining company to deliver environmental services for a major operation in Queensland, Australia.
The scope includes serving as regulatory liaison, project management, and preparing a comprehensive Environmental Impact Statement for submission to the Office of the Coordinator-General.
CEO Vijay Manthripragada highlighted the project as evidence of how rigorous environmental assessment can support responsible industrial progress in key resource regions.
• 3mo ago AI analysis › Press Release
Onterris Joins Greentown Labs to Advance Environmental Innovation and Commercialization
Onterris has joined Greentown Labs as a 'Terawatt Partner,' the highest level of partnership in the world’s largest climatetech incubator.
The alliance allows Onterris to provide technical expertise and mentorship to over 250 startups developing solutions in energy, agriculture, and climate resilience.
This move expands Onterris' innovation ecosystem but does not involve immediate capital commitments or revenue-generating contracts.
• 4mo ago AI analysis › Press Release
Onterris to Attend William Blair 46th Annual Growth Stock Conference
Onterris management will present at the William Blair 46th Annual Growth Stock Conference on June 4, 2026.
The presentation is scheduled for 8:40 a.m. Central Time in Chicago, with a live audio webcast available on the company's investor relations website.
This is a standard investor relations calendar update with no new business or financial disclosures.
• 5mo ago AI analysis › Press Release ⚠ 3
Onterris Reports First Quarter Results and Reiterates Full-Year 2026 Guidance
Onterris reported Q1 revenue of $168.5 million, a 5.2% decrease year-over-year, primarily due to severe weather and lower emergency response revenue, while Adjusted EBITDA remained consistent at $17.8 million.
The company reiterated its full-year 2026 guidance for consolidated Adjusted EBITDA of $125.0 million to $130.0 million and revenue of $840.0 million to $900.0 million, citing strong underlying demand and operational discipline.
Management expects Q2 revenue between $190 million and $210 million with Consolidated Adjusted EBITDA margins of 16% to 18%, signaling an expected improvement in performance through the remainder of the year.
• 5mo ago AI analysis › Press Release
Onterris Launches Inaugural Research Report, Finds Majority of Executives Tie Environmental Performance to Business Success
Onterris released its inaugural research report, The Onterris Outlook, which found that 54% of executives now view environmental performance as central to long-term growth strategy.
Based on a survey of 500 senior decision-makers, the report indicates that 76% of companies have established environmental strategies and 90% reported improved access to capital over the past five years.
Management stated that environmental performance has evolved from a compliance obligation to a core operating discipline essential for managing risk and sustaining growth.
• 5mo ago AI analysis › 5 law-firm class-action alerts