Trusted by 100+ businesses worldwide

Environmental Compliance Consulting Built for Modern Industry

Thornbury Osgood Fetterman delivers regulatory guidance, risk mitigation, and sustainability planning so your operations stay compliant and competitive across every jurisdiction.

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About THORNBURY OSGOOD FETTERMAN LLC
Since 2009 Established & Trusted
About Us

Practical Expertise for Complex Environmental Challenges

Since 2009, Thornbury Osgood Fetterman has guided manufacturers, developers, and municipal agencies through the evolving landscape of environmental regulation.

Our consultants combine field experience with deep regulatory knowledge to deliver actionable solutions — not just paperwork. From Phase I assessments to emissions reporting, we handle every stage of compliance so you can focus on growth without risking costly penalties or project delays.

  • Phase I & Phase II Environmental Site Assessments
  • Air quality permitting and emissions reporting
  • Hazardous materials management and spill prevention
  • Sustainability roadmaps aligned with ESG frameworks
  • Expert witness testimony for environmental litigation
Work With Us
What We Do

Our Services

Comprehensive solutions tailored to drive your business forward

01

Phase I & II Site Assessments

Thorough property evaluations that uncover contamination risks, satisfy due diligence requirements, and support informed real estate transactions.

02

Air Quality Permitting

Title V, minor source, and construction permit applications managed end-to-end, including emissions inventories and modeling analysis.

03

Hazardous Waste Compliance

RCRA classification, manifesting, storage protocols, and training programs that keep your facility inspection-ready at all times.

04

ESG & Sustainability Reporting

Data-driven sustainability metrics, carbon footprint analysis, and investor-grade ESG disclosures aligned with GRI and SASB standards.

05

Remediation Oversight

Project management for soil and groundwater remediation, including contractor selection, sampling protocols, and regulatory closure documentation.

06

Permit & Reporting Management

Ongoing permit renewals, discharge monitoring reports, Tier II filings, and TRI submissions handled on schedule every quarter.

Environmental Auditing Regulatory Compliance Phase I & II Assessments Air Quality Permitting Hazardous Waste Compliance ESG Reporting Environmental Auditing Regulatory Compliance Phase I & II Assessments Air Quality Permitting Hazardous Waste Compliance ESG Reporting
Testimonials

Client Success Stories

Hear from the businesses we've helped transform

"Thornbury Osgood Fetterman caught permit deficiencies our previous consultant missed entirely. Their audit probably saved us six figures in potential fines."

D
Derek Hollowell VP of Operations, Caraway Manufacturing

"Phase I turnaround was incredibly fast without cutting corners. Our lender accepted the report on first submission — that never happens."

S
Sandra Milliken Director of Development, Ridgeline Properties

"Their air permitting team navigated a complicated Title V modification in half the time we expected. Extremely knowledgeable and responsive."

G
Grant Eberhardt Environmental Manager, Coastal Energy Partners
Let's Talk

Protect Your Operations from Regulatory Risk

Schedule a confidential compliance review with our senior consultants and get a clear roadmap to full regulatory alignment.

Request a Compliance Assessment
Get In Touch

Contact Us

Ready to start? Reach out and let's discuss your goals

Send us a message

Our Office

310 GLENWOOD AVE, SUITE 450
RALEIGH, NORTH CAROLINA 27603

Phone

+1 (919) 482-7163

Email

contact@thornbury.yauya.live