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Industry Knowledge
Over the years, our electrical and mechanical professionals have worked closely with our in-house environmental, construction and industrial control Teams to provide various electrical, mechanical, plumbing and control system designs for the water and wastewater industry. Our unique expertise in this area provides both government and private sector clients with innovative, cost-effective and energy-efficient solutions related to the treatment and distribution of water and wastewater.


  • Design / Build
  • Heating, Ventilation and Air Conditioning Systems
  • Air Distribution
  • Duct Insulation
  • Piping Insulation
  • Gas Piping
  • Process Piping
  • Equipment Setting & Alignment
  • Medical Gas Systems
  • Chilled Water Systems
  • Critical Supply & Return Pumps


  • Design / Build
  • High Voltage, Medium Voltage & Low Voltage Power Distribution
  • Electrical Design & Construction
  • Instrumentation & Automation Controls
  • Digital Control Systems
  • Electrical Testing
  • Fiber Optics
  • Security & Communication
  • Generators Central Plant and Underground Energy Distribution Systems
  • Building Automation and Energy Management Systems


  • Complete sewer & drain cleaning
  • Sump pump and sewer ejector pump repair and replacement
  • Site Utility Piping
  • Sewer camera inspection
  • Sewer line locating
  • Sewer repair & replacement
  • Annual Maintenance Program
  • Dedicated video equipment
  • State-of-the-art systems
  • Wet and Dry Utility Installation
  • Environmental Remedial Systems

Federal Sector

Private Sector

PSI is committed to executing each client’s project, schedule and objectives within budget from concept to completion. We collaborate with our vendors, subcontractors and owners forming lasting relationships that become the foundation of our continued success with both our federal and private sector clients.

PSI. is experienced with government contracts. We know the procedures for assembling and submitting the required documentation as well as progress documentation. Our experience allows us to navigate each project through the proper channels, ensuring greater efficiency and minimized delays. We have successfully completed numerous projects for the Department of Energy (DoE), Department of Defense (DoD) and Department of Homeland Security (DHS).

PSI's success in the private sector begins with our understanding of the owner’s perspective. We have significant experience, in all of our disciplines, to successfully support your project objectives. Our primary goal is to complete your project on time and within budget. We maintain a safe environment for our workers and the owner to minimize interruption in your day-to-day operations. Our technical staff is experienced working with owners and their architects, engineering consultants and equipment suppliers early in the project.

PSI provides cost effective, comprehensive and turn-key technical services focused on delivering efficient solutions that minimize client risk and are readily acceptable to the regulatory community.

PSI’s Primary Service Areas:

PSI General Qualifications SOQ

Mechanical / Electrical / Plumbing (MEP)

Industrial Process Controls

Construction Services

Environmental Services

Specialized Engineering Services

Read More About PSI

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PSI F-22 PD1_th

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