Flippo’s Operations consist of two divisions: Contracts and Service. The Contracts Division provides heavy construction to include bridges, concrete structures, roadway and specialized heavy utility work. The Service Division provides utility installation, repairs and long-term service/maintenance contracts for the major utility providers in the Washington Metropolitan area.

Contracts Division

District of Columbia DOT

C&O Canal Bridges
Chain Bridge
Anacostia Riverwalk
11th Street SW Bridge
DC Utility Roadway Repair
T.R. Bridge Barrier Movements
NHS Repaving
New Hampshire Ave. Bridge


Virginia DOT

Rt. 50 at Courthouse Rd. (Arlington, VA)
Wellington Rd. Bridge
Guinea Rd. Bridge Repairs
Rt. 340 Bridge over N. Fork Shenandoah River
Rt. 15/29 Bridge Replacement
Rt. 50 over Rt. 27
I-66 over Stringfellow Road Bridge Rehabilitation
I-66 over Rt. 29 Bridge Rehabilitation

Federal Highway Administration

Wisconsin Avenue Bridge
B.W. Parkway Rehabilitation, Roads & Bridges

MD State Highway Administration

Georgia Avenue Utilities
Rt. 202 Bridge / Rt. 50 Bridge


Metropolitain Washington Airport Authority

Reagan National Airport Task Order Contract
Reagan National Airport Phase IV Roads & Bridges
NOAA Facilities @ Dulles Airport


Arlington County, VA

Arlington National Cemetery
Fairlington Sanitary Sewer

US Army Corp of Engineers

Pentagon RDF Utilities
Pentagon Sewage Lift Station


City of Baltimore, MD

Russell Street Bridge
Frederick Avenue Bridge over Amtrak Bridge Rehabilitation
Baltimore FH Replacement

City of Alexandria
Holmes Run Sewer Crossing

Duke Street

Cameron Run Debris Clean-up
City of Fairfax
Leesburg WWTP
Rt. 123 Chain Bridge Rd. over Acotink
County of Baltimore, MD
Bread & Cheese Pump Station
Fairfax County DPW
Emergency Sewer Repairs
Bell View Sewer Sags
Mills Branch Culvert Maintenance
Bell View Gravity Sewer
Flatlick Branch Sewer Replacement  *
  * Click to View “Green” Alternate Methods
    of Consturction used on this Project
City of Falls Church
Scott’s Run Pumping Station
Dunn Loring Pumping Station
Montgomery County, MD
Gude Dr. Bridge
Clark Construction
Roslyn Central Utilities
Ft Meade Ductbanks
City Center Utilities
4501 East West Highway Utilities
Davis Construction
Progression Place Utilities
Washington Gateway 
Forest City Washington The Yards @ South East Federal Center Site Utilities
The Yards @ South East Federal Center Parking Lots
The Yards @ South East Federal Center Remediation
Terrapin Utility Service, Inc.
Site Lighting Emergency Contract Repairs
Sanitary Sewer Replacement
Andrews Air Force Base Main Replacement
Hitt Contracting
A.O.C. West Refrigeration Plant
Dumbarton Oaks Utility Tunnel
Sibley Hospital
Bovis Lend Lease
Square 71 – 2110 M St.
Joele Utilities in Arlington
Wilson / Pollard Utilities
Mill Race Box Culvert
Mill Race Sewer Relocation
Alberici Constructors
Arliington WPCP Upgrades
Ivy City Amtrak IW Pipe & Mnholes
Corman Construction
Rte 210 Water Main
Flour-Lane LLC
Hot Lanes Bridges
Falls Church Water Mains
Hot Lanes Bridge Conduit
Gilbane Construction
Utilities at Canton Crossing
3400 Pike Ductbank
Whiting Turner Construction Company
NIH PNC Utilities
Alexandria Police Facility
Dumbarton Oaks Library
Corbalis Water Treatment Plant
US Capitol Visitors Center Pedestrian & Vehicular Tunnels
Laytonsville Pump Station

Service Division

PEPCO / Overland Contracting
N.E. Substation – Benning Road
Benning Rd. Bridge Conduit
Larger Valve II
Ft. Stanton Reservoir Repairs
Small Diameter Water Mains
Water Main Repairs
AMR Meter Replacements
Sanitary Sewer Laterals
Calvert Street Bridge Utilities
Flushing Water Mains
Large Valve Replacement
Swirl Facility Treatment Plant Repair
City of Alexandria
George Mason Elementary School Storm Sewer
Four Mile Run Flood Control
Alexandria Hydrant and Sewer Maintenance
Alexandria Equipment Rental
City of Alexandria Annual Snow Removal
Pepco and Verizon
Nationals Stadium Duct Bank
DC Utility Roadway Repair
Dominion Power
Arlington Duct Bank
Gainsville Duct Bank
Pepco Maintenance DC
Manhole Cleaning and Oil Spills
Pepco Trenchless MD and DC
Misc. Substation Construction and Repair
Palmers Corner
Brighton Substation 66
WalkerMill Washout
University of Maryland
University of Maryland Emergency Repairs



Ft Storm Power Substation
Atlantic Contracting
BWI Glycol
B. Frank Joy
Ductbank Maintenance
UT Ductbanks
Equinix Data Center Utilities
Silver Line Wayside Facilities (Substations)
WG Liner Replacement
W. A Chester
Blue Plains Treatment Plant Westport & Center BG&E Substation
W.F Wilson
National Harbor DuctBanks
Verizon Trenchless Installations Russel Street Bridge Installations
Welch & Rushe, Inc.
German Embassy Excavations
17th Street Sanitary EEOB 17th St.