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LEADERS IN ENGINEERING,
CONSTRUCTION, AND FACILITY SOLUTIONS

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Core Competencies

Core Competencies

Construction & Facilities Engineering: 

General contracting, remodeling, and renovation; Electrical, HVAC, plumbing, and mechanical systems, Concrete, carpentry, and low-voltage work, Facility modernization, maintenance, and compliance management

Janitorial & Facilities Maintenance:

Administrative and medical facility cleaning; Green and electrostatic cleaning solutions; Waste management, deep cleaning, and power washing

Grounds Maintenance & Snow Removal:

Our Grounds Maintenance & Snow Removal service is dedicated to keeping your outdoor spaces pristine year-round. We offer comprehensive landscaping, including lawn care, tree trimming, and seasonal clean-up, ensuring your property looks its best in every season.

 Construction Worker

HVAC & Plumbing:

we provide-notch HVAC and plumbing services to ensure your home or business remains comfortable and efficient year-round. Our team of skilled technicians is dedicated to delivering reliable solutions, from heating and cooling system installations to plumbing repairs and maintenance.

Differentiators: 

Differentiators: 

  • Certified SDVOSB, Minority-Owned, and Small Business
  • Multi-Discipline Expertise: Construction, Engineering, IT, and Staffing
  • Strong Government Performance Record with proven federal contracting results
  • Green & Sustainable Practices (EPA/ISSA Compliant)
  • Veteran-Led, Client-Focused Leadership ensuring mission alignment and accountability

Past Performance

Federal

Department of Defense, TSA, GSA, USDA, US SOUTHCOM, Fort Gordon, Fort Meade, Walter Reed, West Point Military Academy, MDARNG, and more

NAICS Codes

236220; 237310; 238210; 238220; 561720; 541512; 561320

UEI: GTK7VRPRMK1
CAGE CODE: 164N2

ABOUT

ABOUT

Sentinel Source Engineering, LLC is a Service-Disabled Veteran-Owned Small Business (SDVOSB), Minority-Owned, and Small Business Joint Venture between SRL Total Source, LLC and Salmon Group INC. Together, we bring a unique blend of facility engineering, construction, and janitorial to government and commercial clients across America. Our mission is to deliver Superior, Reliable, and Lasting infrastructure and facility solutions with precision, integrity, and innovation. 

CONTACT

CONTACT

Inquiries

For any inquiries, questions or commendations, please  fill out the following form

Contact Us

© 2025 by Sentinel Source Engineering, LLC. All rights reserved.

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