Company Description
Onterris, Inc. operates as an environmental services company in the United States, Australia, Canada, and internationally.
It operates in two segments: Consulting and Treatment, and Measurement and Analysis. The Consulting and Treatment segment provides environmental consulting, engineering, and implementation services to help clients assess, manage, and mitigate environmental risks across the lifecycle of their operations and projects.
It supports environmental assessments, regulatory permitting, toxicology consulting, emergency preparedness, and response and environmental audits and permits; and offers engineering, design, and implementation solutions to treat contaminated water and remediate soil.
The Measurement and Analysis segment offers environmental testing and laboratory services. It tests and analyzes air, water, and soil to determine concentrations of contaminants, as well as the toxicological impact of contaminants on flora, fauna, and human health.
This segment’s offerings include source and ambient air testing and monitoring, and leak detection, as well as air, soil, stormwater, wastewater, and drinking water analysis.
The company was formerly known as Montrose Environmental Group, Inc. and changed its name to Onterris, Inc. in April 2026.
Onterris, Inc. was founded in 2012 and is headquartered in North Little Rock, Arkansas.
| Country | United States |
| Founded | 2012 |
| IPO Date | Jul 23, 2020 |
| Industry | Waste Management |
| Sector | Industrials |
| Employees | 3,500 |
| CEO | Vijay Manthripragada |
Contact Details
Address: 5120 Northshore Drive North Little Rock, Arkansas 72118 United States | |
| Phone | 501 900 6400 |
| Website | onterris.com |
Stock Details
| Ticker Symbol | ONT |
| Exchange | NYSE |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 1643615 |
| CUSIP Number | 615111101 |
| ISIN Number | US6151111019 |
| Employer ID | 46-4195044 |
| SIC Code | 8742 |
Key Executives
| Name | Position |
|---|---|
| Vijay Manthripragada | President, Chief Executive Officer and Director |
| Allan Michael Dicks CPA | Chief Financial Officer |
| Nasym Korloo Afsari J.D. | General Counsel and Secretary |
| Jose M. Revuelta | Chief Strategy Officer |
| James Laws | Chief Operating Officer |
| Brian Nordmann | Chief Information Officer |
| Adrianne D. Griffin | Senior Vice President of Investor Relations and Treasury |
| Lauren Dowling | Senior Vice President of Marketing, PR and Communications |
| Bryan Chubb B.Sc., C. Chem. | Executive Vice President of Sales |
| Kevin A. Gill | Senior Vice President of Human Resources |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Aug 14, 2026 | SCHEDULE 13G | Filing |
| Aug 11, 2026 | CERT | Certification by an exchange approving securities for listing |
| Aug 10, 2026 | 8-A12B/A | Filing |
| Aug 10, 2026 | 8-K/A | [Amend] Current report |
| Aug 6, 2026 | 10-Q | Quarterly Report |
| Aug 5, 2026 | 8-A12B | Registration of securities |
| Aug 5, 2026 | 8-K | Current Report |
| Aug 5, 2026 | 8-K | Current Report |
| May 11, 2026 | 8-K | Current Report |
| May 11, 2026 | SCHEDULE 13G | Filing |