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KEY Logo
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Expert Solutions Environmental Innovation Exceptional Service

What we do

From its inception, KEY has focused on providing project teams focused on cost-efficient, practical, and defensible solutions for environmental projects.
 
We evaluate projects at any stage of their regulatory process from new and complex construction developments to environmentally impacted sites requiring remediation.
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KEY excels in providing scientific, engineering, and cost-effective solutions.  Our solutions are backed by scientific and engineering experience, regulatory know-how, and cost efficient and creative applications.

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Brownfield Remediation/Redevelopment

Superfund/RCRA

Site Development

Construction Oversight

Civil Design

Coal Power Plant Remediation

Environmental Permitting & Compliance

Environmental Due Diligence

Site Assessment

Oil & Gas Services

Emerging Contaminants

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Groundwater
Flow

Geophysical Investigations

Contaminant Modeling

Soil & Groundwater Remediation

Water & Wastewater Design

Design-Build-Operate

KEY Logo

Headquarters

200 Third Avenue

Carnegie, Pennsylvania 15106

412-279-3363

© 2026  Key Environmental, Inc.

Mid-Atlantic

575 State Route 28

Suite 203

Raritan, New Jersey 08869

908-864-4105

New England

106 Lafayette Street

Suite 2K

Yarmouth, Maine 04096

207-772-8100

Tri-State

1723 Perry Highway 

Portersville, Pennsylvania 16051

724-368-4050

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