Environmental Systems Corporation, a TSI Company, manufactures data acquisition and reporting systems for continuous emissions monitoring (CEM) and ambient air quality/meteorological systems to meet federal EPA, state and local regulations.

ESC's proven technologies are recognized internationally for providing regulatory compliance systems and services to power producers and environmental agencies.

ESC is an international, technology-based provider of hardware, software, and services related to environmental monitoring, energy production, and waste management, comprising five divisions:

Data Systems Division
ESC is the leading U.S. manufacturer of UNIX and Windows®-based data acquisition systems for source emissions monitoring at fossil fuel and combustion turbine power generating plants for compliance with EPA's 40CFR75, 40CFR60, and NOx Bidget Program regulations. Turnkey installation of standard 40CFR75 CEM systems can now be accomplished in as little as 60 days.

Environmental Monitoring Services
EMS provides turnkey installations, maintenance and operation consulting for its CEM and Ambient customers. Decades of experience in domestic and foreign assignments assure each customer of total satisfaction on each project. Off-the-shelf and custom instrumentation has been optimized for the most reliable performance available.

Remediation and Industrial Services Consulting
RISC Division offers a wide range of remediation for civil and government agencies in remediation and construction services. A new service, the Indoor Air Quality (IAQ) Detective, provides ultrafine particle detection in building environments such as public and private office spaces, school classrooms, or anywhere fine particle pollutants affect their occupants.

Power Generation Technologies Division
PGT provides engineering and consulting services in addition to independent, third-party testing services for the power generation industry. PGT's primary mission is to provide our clients with thermal performance data that enables them to operate their plants in the most profitable, cost effective manner. We collect and analyze component and plant operating data to insure contractual compliance, provide diagnostic information and to help optimize plant performance

Southern Testing Services, Inc.
STS provides Class 1E components to the nuclear industry as well as environmental and seismic qualification services as well as commercial grade dedication services. STS resources can handle virtually any project, regardless of complexity. Our 24-hour hotline is always availble for your immediate needs. STS products and services are available in the U.S. and international markets in our support of the world-wide nuclear community.