Consulting engineering firm specializing in feotechnical engineering & geological services; Environmental & hazardous waste services; construction materials testing; and environmental drilling services.

NECI has experience in cost reimbursement contracts and time critical levee construction projects. As well as earthen dam, environmental-erosion control, highway, industrial, commercial, residential, environmental, decontamination, abatement, remediation

NEPA analysis, general environmental enginering

Environmental Consulting including inspection, monitoring, and Laboratory Services

Food Safety Technology (FST) offers a unique eco-friendly, chemical-free cleaing and sanitization technology to replace conventional chemical based cleaning and sanitization systems. FST's system is customizable and can be used by a varitey of industries.

Add't.codes 238320, 238910, 541620, 237310, 238160

Property Management

Water and Sewer Line and Related Structures Construction, All Other Specialty Trade Contractors, Miscellaneous Financial Investment Activities, Lessors of Residential Buildings and Dwellings, Offices of Real Estate Agents and Brokers

Environmental Consulting Services

Environmental, Consulting, rangeland management, range, Vegetation surveys, land management, inventory, Forestry thinning, fuels reduction, forestry health, grazing management.

Environmental Consulting Services

Administrative Management and General Management Consulting Services, Human Resources and Executive Search Consulting Services, Marketing Consulting Services, Process, Physical Distribution, and Logistics Consulting Services, Other Management Consulting Services

Custom Computer Programming Services, Computer Systems Design Services, Administrative Management and General Management Consulting Services, Process, Physical Distribution, and Logistics Consulting Services, Environmental Consulting Services

Roofing Contractors, Siding Contractors, Other Foundation, Structure, and Building Exterior Contractors, Testing Laboratories, Environmental Consulting Services

Business to Business Electronic Markets, Software Publishers, Data Processing, Hosting, and Related Services, Engineering Services, Custom Computer Programming Services

TETRA TECH DIVISIONS

Surveying and Mapping (except Geophysical) Services, Environmental Consulting Services, Exterminating and Pest Control Services

New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction