WELCOME TO
ET SERVICES LLC

UEI:RBXVN269UJX3 CAGE:8KF02

We deliver integrated support services that keep government operations running smoothly. Whether maintaining critical infrastructure, staffing essential roles, or advancing IT and security goals, our team is ready to meet your mission with speed, precision, and reliability.

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About us

ET Services, LLC is a multidisciplinary service provider delivering results across key sectors including mechanical systems, facilities management, construction, logistics, and administrative support. Our mission is to provide efficient, compliant, and mission-ready services to federal, state, and local agencies.

Founded on a collaborative model, ET Services combines in-house capabilities with strategic partnerships to provide comprehensive, end-to-end solutions. From preventive maintenance and infrastructure support, we align our services with government objectives to ensure operational readiness and long-term success.

NAICS Codes

561210: Facilities Support Services

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Our Services

Facilities & Asset Management

Facilities Management
Asset Management
Emergency Response
System Optimization
Preventive Maintenance
Equipment Repair
Construction Services
Building Automation
Building Maintenance & Repairs
Roofing Contracting
Flooring Installation

Administrative Services

Operations & Business Support
Financial Management
Records Management
Mailroom Operations
Transcription Services

Logistics & Supply Chain

Supply Chain Management
Inventory Management
Fleet Operations
Warehousing Solutions
Procurement Support

Mechanical Services

Mechanical Installation
HVAC System Installation & Upgrades
Chiller System Installation & Replacement
Mechanical Equipment Replacement
HVAC Preventive Maintenance
Refrigerant Management
Diagnostic Testing & Repairs

Why Us

Proven Federal Performance

Over 55 years of combined experience and a history of successfully executing multi-million-dollar government contracts—we understand mission-critical expectations.

Commitment to Quality & Efficiency

Our motto, "Quality Delivered, Efficiency Achieved," reflects our disciplined approach to delivering on time, on budget, and above expectations.

Technical & Operational Excellence

We integrate technical expertise with strategic collaboration to ensure seamless project execution from planning to closeout.

Regulatory Compliance & Safety First

We operate with strict adherence to federal safety standards, compliance protocols, and performance metrics—no shortcuts, ever.

Mission-Focused, Customer-Centric

Your mission success is our top priority. Our client-first philosophy means we listen, adapt, and deliver results that matter.

Core Values that Guide Us

We’re grounded in integrity, trust, and respect for diversity, ensuring ethical and inclusive service delivery at every level.

Meet the Team

President

Derek Williams

CEO and founder of ET Services LLC, bringing over 30 years of HVAC and facilities expertise to a certified veteran-owned small firm delivering dependable, high-quality service since 2018.