Duff Signs Inc.
Beltsville, MD 20705
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Our Story
Duff Signs Incorporated has been in business since 1949.
Our main lines of business include: Signs.
We are located in the Beltsville, Maryland area.
Regions & Counties Serviced
- Washington D.C.
District Of Columbia All
Maryland All
Virginia 17
- Alexandria (City Of)
- Arlington
- Clarke
- Culpeper
- Fairfax
- Fairfax (City Of)
- Falls Church (City Of)
- Fauquier
- Fredericksburg (City Of)
- King George
- Loudoun
- Manassas (City Of)
- Manassas Park (City Of)
- Prince William
- Spotsylvania
- Stafford
- Warren
Our CSI Codes
01 58 13 - Temporary Project Signage
01 58 16 - Temporary Interior Signage
10 06 10.13 - Exterior Signage Schedule
10 06 10.16 - Interior Signage Schedule
10 13 13 - Electronic Directories
10 14 16 - Plaques
10 14 19 - Dimensional Letter Signage
10 14 23 - Panel Signage
10 14 23.13 - Engraved Panel Signage
10 14 26 - Post and Panel/Pylon Signage
10 14 33 - Illuminated Panel Signage
10 14 36 - Non-Illuminated Panel Signage
10 14 53.13 - Transportation Reference Markers
10 14 63 - Electronic Message Signage
10 14 66 - Floating Signage
10 73 33 - Marquees
10 83 16 - Banners
27 42 13 - Point of Sale Systems
27 42 16 - Transportation Information Display Systems
33 05 26 - Utility Line Signs, Markers, and Flags
34 43 13 - Airfield Signals
