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About One Source

Incorporated in 1939, One Source Associates, Inc. represents the industry's finest products in lighting, lighting controls, and electrical supplies, window treatments and even site amenities. Our typical selling territory includes Maryland, Washington DC, Northern Virginia and some West Virginia counties adjacent to the Maryland panhandle. We strive to deliver excellence to all the market segments we serve, and to that end we engage in regular, formal self-assessment and training of personnel. 

recent awards

2017 Achievement of Sales Goals for WAC
2017 IMARK Platinum Representative Award
2017 legrand Circle of Excellence Award
2017 Large Market Agency of the Year for WAC
2016 IMARK Platinum Representative Award
2016 Hubbell Lighting President's Club Award
2016 Legrand Marketeer of the Year - Kevin Pearl
2016 Altman Lighting Agent of the Year
2016 Lutron EW Quota Buster and Commercial Wireless Quota Buster
2015 Legrand Marketeer of the Year - Dan Werthamer
2015 LiteControl Representative of the Year
2015 Lutron President's Club
2014 OCL Award of Excellence for Outstanding Sales Performance
2014 LiteControl Representative of the Year
2013 LiteControl Representative of the Year
2012 Legrand Marketeer of the Year - Kevin Pearl
2012 Limelight Representative of the Year (Pinnacle Award)
2012 LiteControl Customer Service Representative of the Year
2012 LiteControl Representative of the Year
2012 Lutron Chairman's Club
2012 Lutron Market Developer Quota Buster
2012 Lutron Overall Sales Quota Buster
2012 Mersen Quota Buster
2012 OCL Representative of the Year (Award of Excellence for Outstanding Sales Performance)
2012 Prescolite Representative of the Year


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


Be Professional


One Source offers Services including energy audits, energy management assessments, controls consultations, guaranteed bills of materials for Wiremold products, lighting design, lighting calculations, shading and daylight assessments and recommendations, and LEED and other code compliance recommendations.  Contact us to discuss your renovation or construction project!