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O’Reilly Talbot & Okun Associates Inc

293 Bridge Street Suite 500 Springfield MA 01103 Work Phone: 413-788-6222 Website: https://www.oto-env.com


O’Reilly, Talbot & Okun Associates Inc. (OTO) is a leading specialty engineering firm with over 25 years of experience in environmental consulting, geotechnical engineering, and industrial hygiene. Our dedicated team offers a range of resourceful and cost-effective services to clients throughout New England and other parts of the country. We take pride in our ability to collaborate effectively with clients to build sustainable futures and healthier environments for communities.

As a one-stop geoenvironmental consulting firm, OTO is committed to transparency, respect, and intentionality. Our expertise in securing information through soil testing, foundation analysis, environmental impact assessments, and indoor air quality testing highlights our dedication to safety and sustainability. Our team consists of experienced professionals, including Massachusetts Licensed Site Professionals (LSPs), Registered Professional Engineers (PEs), and Certified Safety Professionals (CSPs), ensuring a broad range of technical capabilities to address complex environmental challenges.

Our core services include:

  • Asbestos Consulting Services
  • Vapor Intrusion Assessment and Mitigation
  • Brownfields Redevelopment
  • CT Transfer Act / LEP Services
  • Environmental Site Assessment and Remediation
  • Geotechnical Engineering
  • Indoor Air Quality and Industrial Hygiene
  • MCP Compliance / LSP Services
  • PCB Assessment and Management
  • Construction Support and Oversight

We have a proven track record of credible success and teamwork, guided by principles of cost-effectiveness, sound judgment, and professional integrity. OTO’s passionate approach is evident in every project we undertake, reflecting in the quality of our work and our reputation in the industry.