Family Business Yielding Team Experience

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Vienna Train Station

In 1946, Sanford “Lee” Cooper founded the legacy of excellence that continues to this day. S.L. Cooper & Associates, Inc. provided warehouse dock equipment, shelving and conveyors to commercial and federal government accounts in Washington DC and the surrounding region. For 25 years, Mr. Cooper’s thoughtful leadership and personal approach defined the company’s values. Always a small business, S. L. Cooper & Associates upheld a culture of quality, service and integrity. In 1970, Weldon Downs, a veteran businessman with proven experience in federal government sales, purchased the company from Mr. Cooper. At age 50, Mr. Downs took a leap of faith toward achieving the Great American Dream. From day one, he maintained Mr. Cooper’s strong values and exceptional service. His leadership energized the company, and the sales and growth quickly followed. Over time, Weldon Downs brought on his four sons, and expanded the business into new areas.

Leadership Drives Ongoing Growth

Today, Cooper is run by two of Weldon’s sons, Stuart and Philip Downs. Through the family’s expert leadership, Cooper has evolved from a humble materials handling company into a premier small business, providing construction services to clients throughout the Washington, DC area. Thanks to an ever-expanding team of skilled craftsmen with elite expertise, Cooper has become the trusted choice for specialized construction services for high profile government agencies.

Today, Cooper’s proven self performance capabilities are what set us apart. Our craftsmen self perform:

  • Carpentry
  • Painting
  • Tile Installation
  • Wall Coverings
  • Concrete Work
  • Ceilings
  • Electrical Work
  • SCIF Construction
  • Tenant Improvements
  • Historic Restoration
  • Floor Coverings
  • Furniture Installation

The Region’s Most Trusted Team

As a trusted general contractor, our skilled project managers partner with and oversee a team of experienced and qualified subcontractors. True to our history and looking towards the future, Cooper still maintains a presence in the warehouse equipment business and is quickly becoming a leader in the emerging world of Electric Vehicle charging station Infrastructure (EVI). A majority of our craftsmen, supervisors and executives hold clearances that allow us to work with security oriented owners.

As our expertise expands, we continue to uphold the same strong values  – we believe in the power of a handshake, and we are dedicated to delivering the highest quality results. Demand Excellence, Expect Precision – it’s who we are. It’s what drives us to succeed.

Demand Excellence. Expect Precision.