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TC's current personnel has established a highly respected reputation wtih expertise in the following areas: Phase I and II Environmental Site Assessments; Soil and Groundwater Investigations and Remediation; Regulatory Compliance and Permitting; Hazardous Materials Consulting (including Asbestos, Lead, and other hazardous materials testing and abatement oversight); Mold and Indoor Air Quality Investigations; Industrial Hygiene and Safety; Hazardous Waste Management; Biological Studies and Tank Management.


Below is a list of clients that TC's management and staff have provided services for in the past:

Educational Institutions
& Public Entities

County of San Bernardino

City of Lompoc

City of Moorpark

City of Santa Monica

Fontana Unified School District

Los Angeles Community College District

Los Angeles County ISD

Los Angeles County Sheriff's Department

Los Padres National Forest Services

Palms Springs Unified School District

Simi Valley Unified School District

Somis Union School District


Vandenburg Air Force Base

Ventura Unified School District

Ventura County Office of Education

Veteran Administration Department

Private Firms & Developers

A. Bates G.C.

Asbestos Instant Response

Assurant Insurance

BMW North America



Century Floors


D-Square Construction

Del Amo Construction

Deutsche Bank

Farrel Fab

Forest City Industries

Financial Experts Inc.

Fresh & Easy

Grey-ICE Builders Inc.

Hal Hays Construction

Hearst Corporation

Hopkins Construction Inc.

JP Morgan


L.A. Electricom

Lee Sak Realtors

Leighton Group

Lincoln Military Housing

Lockheed Martin

Lujan Transport

LYI Environmental

Macerich Management Company



Marx | Okubo

Messiahic Innovations

Midwest Environmental

Morphosis Architecture

PARC Environmental

Ralphs Grocery Company


Scosche Industries


Spiess Construction

T. Simons Inc.

Trinity Development Group

Wells Fargo Bank


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