HOME ABOUT BUSINESS PROJECTS OPPORTUNITY CONTACT US BUSINESS PROFILE PWT is a small, full-service environmental and civil engineering company with more than 30 years of experience providing the full suite of environmental management, consulting, compliance, facility, construction, and data-management services. PWT provides services to both government agencies and commercial industries. Our business profile summarizes various registrations, services, offices, and major clients. PACIFIC WESTERN TECHNOLOGIES LTD. State Registration Number 02439735 Date of Registration August 23, 1987 State and Country of Incorporation Colorado USA Federal ID 84-1087476 DUNS No. 18-733-0741 Type of Company S Corporation Registered Office Address 3000 Youngfield Street, Suite 300 Wheat Ridge, CO 80215 CAGE Code OMVBO Principal Activities Civil/ Environmental Engineering Services and Technical support Contacts PH 303 274-5400 – FAX 303 274-6160 www.pwt.com and www.earthfax.com No. of Employees 21 MAJOR CLIENTS Environmental Protection Agency Nation-wide locations Environmental remediation Chevron Oil Company Utah Civil, Water & Environmental services Federal Highway Administration Nation-wide locations GIS – Road Inventory Holly Energy Utah Environmental services KEY PERSONNEL Name ID Education/ Expertise Years of Experience Date of Appointment – Position Held Tai-Dan Hsu PhD Environmental 41 8/23/1987 – CEO Ding-Wen Hsu Executive MBA – Business Administration 42 08/28/1994 – Division Director SERVICE AREAS (NAICS CODES) 562910REM Environmental Remediation Services 541620 Environmental Consulting Services 541370GIS Geographic Information Systems (GIS) Services 541611 Program and Project Management Support Services 54151S Information Technology Professional Services SAFETY AND PERFORMANCE RATINGS EMR Safety Rating 0.75 CPAR Government Performance Rating A to A+ © 2021 PACIFIC WESTERN TECHNOLOGIES

HOME ABOUT BUSINESS PROJECTS OPPORTUNITY CONTACT US SERVICES ENVIRONMENTAL CONSULTING PWT delivers innovative yet practical and cost-effective environmental solutions to complex site challenges. Our team of scientific and engineering experts work collaboratively to develop fully integrated, client-driven environmental consulting services from investigation and design through construction, operations and maintenance. Environmental Consulting GIS PWT provides comprehensive geospatial products and consulting services on all industry standard GIS platforms that allow you to visualize your data in powerful new ways. PWT’s geospatial solutions support your total mission needs. GIS OPERATIONS & ENGINEERING PWT provides evaluation, design, construction oversight, operations, maintenance, health and safety, environmental compliance, and optimization of facilities and remedial systems. Operations © 2021 PACIFIC WESTERN TECHNOLOGIES