About Us

Who We Are

We are a manufacturers’ representative serving the specification and electrical construction community in DC, Northern Virginia, and Maryland. With an expansive portfolio of lighting, controls, electrical supplies, and window systems, we have the products and solutions your project requires. As a full-service agency, we offer many value-added services, including system startups and maintenance, healthy building design guidance, lighting calculations, energy audits, daylighting assessments, code compliance recommendations, prefabrication and productivity solutions, design-build assistance, and much more.

One Source Associates is comprised of highly qualified staff, many of whom have a rich history in the electrical industry. Our credentialed team includes LEED and AIA Associates, Lighting Consultants, Construction Documents Technologists, and staff certified in the most advanced lighting controls systems. From concept and design to completion and service, our team of former architects, lighting designers, electrical engineers, and electrical contractors knows all the right products and solutions for any job or project type.

We hope you will take some time to find out more about how we can assist you and the products we offer, and trust that if given the chance, we will make you glad you reached out to us.

Our Mission

To lead the industry with passionate regard for service, ethics, and customer satisfaction.

Our Vision

To be the leading representative in the markets we serve.

Our Values

Take Care of the Customer

  • Be Friendly
  • Be Responsive
  • Be Knowledgeable
  • Deliver Quality
  • Communicate Effectively

Take Care of Each Other

  • Be Respectful
  • Be Responsible
  • Challenge Each Other
  • Communicate Effectively
  • Provide Opportunities for Growth

Deliver Innovation

  • Ideas
  • Products
  • Solutions
  • Service

Be Professional

  • Honest
  • Ethical
  • Hardworking
  • Smart
  • Enthusiastic

Awards

  • Kidde 2021 Outside Salesperson of the Year - Todd Kollker
  • Kidde 2020 Representative of the Year
  • Kidde 2020 Outside Salesperson of the Year - Todd Kollker & Dustin Siciak
  • First Annual Tesla Awards 2020: Michael Best, LLC and Duke Ellington School of the Arts
  • 2020 Legrand Circle of Excellence
  • NovaFlex 2019 Outstanding Achievement Award
  • Modern Forms Achievement of 2019 Sales Goals
  • 2019 Kidde Sales Excellence

Company History

1939

Downie Turner & Burress (DT&B) founded

First product lines: Daniel Woodhead Co. and Pass & Seymour

1984

Maryland Lighting founded

Resigned Acuity in 1994 for expansion into DC market

1996

DT&B Awarded representation of Lutro

2004

DT&B and Maryland Lighting merge to become One Source Associates

2021

Creation of One Source Technical Field Service Team

2022

25 years representing Lutron

Culture

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Diversity & Inclusion

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