Graystone Civil, Inc.
New Carrollton, MD 20784
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Our Story
We are a Heavy Civil Utility & Site-works contractor in the greater DC, Maryland and Virginia metropolitan area. Our construction management team has 25+ years of extensive industry experience performing various complex and unique commercial/reside projects in the region. Let us help you move your next project forward.
Regions & Counties Serviced
- Washington D.C.
Maryland 1
- Prince Georges
Our CSI Codes
01 57 13 - Temporary Erosion and Sediment Control
01 57 23 - Temporary Storm Water Pollution Control
02 05 19 - Geosynthetics for Existing Conditions
02 05 19.13 - Geotextiles for Existing Conditions
02 05 19.16 - Geomembranes for Existing Conditions
02 05 19.19 - Geogrids for Existing Conditions
02 58 13 - Snow Fencing
22 13 13 - Facility Sanitary Sewers
22 13 16 - Sanitary Waste and Vent Piping
22 13 19 - Sanitary Waste Piping Specialties
22 14 13 - Facility Storm Drainage Piping
31 01 10 - Maintenance of Clearing
31 01 20 - Maintenance of Earth Moving
31 01 50 - Maintenance of Excavation Support and Protection
31 05 19 - Geosynthetics for Earthwork
31 05 19.13 - Geotextiles for Earthwork
31 05 19.16 - Geomembranes for Earthwork
31 05 19.19 - Geogrids for Earthwork
31 06 10 - Schedules for Clearing
31 06 20 - Schedules for Earth Moving
31 06 20.16 - Backfill Material Schedule
31 11 00.00.01 - Clearing and Grubbing
31 12 00.00.01 - Selective Clearing
31 14 13 - Soil Stripping and Stockpiling
31 14 13.13 - Soil Stripping
31 14 13.16 - Soil Stockpiling
31 14 16 - Sod Stripping and Stockpiling
31 14 16.13 - Sod Stripping
31 14 16.16 - Sod Stockpiling
31 20 00.00.01 - Earth Moving
31 22 13 - Rough Grading
31 22 16 - Fine Grading
31 22 19 - Finish Grading
31 22 19.13 - Spreading and Grading Topsoil
31 23 16 - Excavation
31 23 16.13 - Trenching
31 23 16.16 - Structural Excavation for Minor Structures
31 23 16.26 - Rock Removal
31 23 23 - Fill
31 23 23.13 - Backfill
31 23 23.23 - Compaction
31 23 23.33 - Flowable Fill
31 23 23.43 - Geofoam
31 23 33 - Trenching and Backfilling
31 25 13 - Erosion Controls
31 25 23 - Rock Barriers
31 25 53 - Sedimentation Controls
31 25 63 - Rock Basins
31 31 19 - Vegetation Control
31 31 19.13 - Chemical Vegetation Control
31 32 19.19 - Geogrid Layer Separation
31 32 19.23 - Geotextile Layer Separation
31 34 19 - Geosynthetic Soil Reinforcement
31 34 19.13 - Geogrid Soil Reinforcement
31 34 19.16 - Geotextile Soil Reinforcement
31 34 23 - Fiber Soil Reinforcement
31 34 23.13 - Geosynthetic Fiber Soil Reinforcement
31 35 23.19 - Concrete Unit Masonry Slope Paving
31 37 13 - Machined Riprap
31 37 16 - Non-Machined Riprap
31 37 16.16 - Concrete Unit Masonry Riprap
31 37 16.19 - Sacked Sand-Cement Riprap
32 91 13.13 - Hydro-Punching
32 91 13.16 - Mulching
32 91 13.23 - Structural Soil Mixing
32 92 13 - Hydro-Mulching
32 92 19 - Seeding
32 92 19.13 - Mechanical Seeding
32 92 19.16 - Hydraulic Seeding
32 92 23 - Sodding
32 92 26 - Sprigging
32 92 26.13 - Stolonizing
33 01 10 - Operation and Maintenance of Water Utilities
33 01 30 - Operation and Maintenance of Sewer Utilities
33 01 30.51 - Maintenance of Sewer Utilities
33 05 13.13 - Manhole Grade Adjustment
33 06 30 - Schedules for Sanitary Sewerage Utilities
33 06 40.13 - Storm Drainage Schedule
33 09 10 - Instrumentation and Control for Water Utilities
33 09 30 - Instrumentation and Control for Sanitary Sewerage Utilities
33 10 00.00.01 - Water Utilities
33 11 13 - Public Water Utility Distribution Piping
33 30 00.00.01 - Sanitary Sewerage Utilities
33 31 13 - Public Sanitary Utility Sewerage Piping
33 44 19 - Utility Storm Water Treatment
33 44 19.13 - In-Line Utility Storm Water Filters
33 44 19.16 - Catch Basin Insert Utility Storm Water Filters
33 44 19.19 - Utility Oil and Gas Separators
33 46 19.16 - Geocomposite Underslab Drainage
33 46 23.19 - Geosynthetic Drainage Layers
33 46 26 - Geotextile Subsurface Drainage Filtration
33 46 33 - Retaining Wall Drainage
34 82 19 - Bridge Pier Protection
35 31 29.40 - Stone Groins
35 41 16 - Levee Cutoff Trenches
35 42 29 - Grout-Bag Bank Protection
35 42 34 - Soil Reinforcement Bank Protection
35 43 29 - Grout-Bag Scour Protection
35 43 34 - Soil Reinforcement Scour Protection
