Learn about our Safety, Quality, and Reliability!

EST ASSOCIATES, INC. (EST) is a privately owned environmental firm comprised of experienced field service professionals. We provide safe, reliable and cost-effective field services to environmental managers, civil engineers, consulting firms, municipalities, and government agencies. Since 1989 our project managers, OSHA-40 certified field technicians, licensed wastewater treatment system operators, and flow monitoring technicians have successfully completed thousands of projects of various scope and size throughout the Northeast.

Over the past two decades EST has earned a reputation as a premier environmental field services company attracting a diverse client base throughout the Northeast. While we are proud of our ability to provide exceptional service to hundreds of clients annually, EST's ability to retain these valued customers year after year is our most significant achievement as a company. In fact, almost 90% of our top 50 customers have been doing business with EST for over a decade. EST's customer retention is made possible by a simple promise we make to all of our clients, a commitment based on three important priorities: safety, quality, and reliability. Learn More


Sampling & Monitoring

Groundwater Sampling

Wastewater Sampling

Permit Management

Stormwater Sampling

Soil Sampling

Surface Water & Sediment Sampling

Soil Vapor Intrusion

Pipeline Services

Flow Monitoring

CCTV Investigations

Smoke Testing

Dye Testing

Flow Isolation

Manhole Inspections

Building Inspections

Line Acceptance Testing

Operations & Maintenance

Groundwater Treatment Systems

Wastewater Treatment Systems

Contract/Part-Time Licensed Operators

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Customer Service