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WELCOME TO
ET SERVICES LLC

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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.

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.

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Image by Emmanuel Ikwuegbu
Técnico de Puertas

NAICS Codes

561210: Facilities Support Services

Let's get to know each other

Our Services

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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

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Administrative Services

  • Operations & Business Support

  • Financial Management

  • Records Management

  • Mailroom Operations

  • Transcription Services

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Logistics & Supply Chain

  • Supply Chain Management

  • Inventory Management

  • Fleet Operations

  • Warehousing Solutions

  • Procurement Support

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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

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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.

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Executive Assistant

Maria Anaya

Finance and accounting economist specializing in market analysis and strategic financial insights.

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Chief Government Contracting Strategist 

JoAnn Braxton

Leads federal market strategy, positioning, and compliance efforts. Oversee pipeline development, mentor-protégé alliances, and teaming partnerships. 

Our Clients

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