Services under OASIS Pool 1 include a broad spectrum of engineering, environmental, and management consulting services awarded under the North American Industry Classification System (NAICS) codes listed below.

541330 Engineering Services
541360 Geophysical Surveying and Mapping Services
541370 Surveying And Mapping (Except Geophysical) Services
541380 Testing Laboratories
541611 Administrative Management and General Management Consulting Services
541612 Human Resources Consulting Services (2007), Human Resources and Executive
  Search Consulting Services (2002)
541613 Marketing Consulting Services
541614 Process, Physical Distribution, and Logistics Consulting Services
541618 Other Management Consulting Services
541620 Environmental Consulting Services
541690 Other Scientific and Technical Consulting Services
541810 Advertising Agencies
541820 Public Relations Agencies
541830 Media Buying Agencies
541840 Media Representatives
541850 Outdoor Advertising
541860 Direct Mail Advertising
541870 Advertising Material Distribution Services
541890 Other Services Related to Advertising
541910 Marketing Research and Public Opinion Polling
541990 All Other Professional, Scientific, and Technical Services

Tetra Tech OASIS Capabilities

Points of Contact

Bill Brownlie, PhD, PE
Program Manager
+1 (626) 470-2302
Barbara Petersen
Contract Manager
+1 (626) 470-2407