ASPHALT & AGGREGATES

Since firing up the first hot mix asphalt plant in Maryland in 1908, we have lead the industry in product innovation and improvement. We also produce a variety of aggregate products at our Winchester Facility.

Contact Sales

For material pricing and more information:

Rita Scott – (410) 215-0076

NAPA Diamond Quality Commendation

Our Monroe Street and Westport Plants have both received the NAPA Diamond Quality Commendation annually since 2010.

AASHTO Accredited Labs

To maintain our high quality materials, our Monroe Street and Westport facilities are equipped with on-site AASHTO accredited labs.

STATE CERTIFIED

Maryland State Highway certified production plants meet quality standards.

DIVERSE PRODUCTS

We provide many different mixes including D.O.T. approved hot mixes, high quality commercial and private hot mixes, warm mix asphalt options, and high spec cold patch in bulk.

ENVIRONMENTAL AWARENESS

Warm Mix Asphalt production methods reduce our carbon footprint and dust control systems reduce airborne particulates.

CUSTOMER SERVICE

Multiple facilities can operated 24/7 to meet our customer’s demands.

COMMUNICATION

Continual communication with customers reduces plant delays and lowers cost. Credit terms available for qualified customers.

We continually improve the quality of our products by monitoring the material properties against the standards, and developing new designs that meet our customers demands. With our state-of-the- art production facilities, on-site Quality Control, and experienced personnel, we can produce asphalt mixes to meet a wide range of private, commercial, and state specifications.

OUR FACILITIES

" "

Monroe Street Asphalt Plant

1320 N. Monroe Street
Baltimore, MD 21217
(410) 554-1965

Our Monroe Street asphalt plant is capable of producing 350 tons of asphalt per hour. In general, we produce between 225,000 and 300,000 tons of asphalt from this plant annually.

Products Available

  • 4.75mm SURFACE
  • 9.5mm SURFACE
  • 12.5mm SURFACE
  • 19mm BASE
  • 25mm BASE
  • Pervious HMA Mixes
  • Paver Base
  • Bituminous Curb Mix
  • Cold Mix / Cold Patch
  • Tack Coat (5 gallon pails)
westport plant silos with napa quality commendation stickers

Westport Asphalt Plant

2120 Annapolis Road
Baltimore, MD 21230
(410) 554-1971

Our Westport asphalt plant is capable of producing 400 tons of asphalt per hour. In general, we produce between 325,000 and 400,000 tons of asphalt from this plant annually.

Products Available

  • 4.75mm SURFACE
  • 9.5mm SURFACE
  • 12.5mm SURFACE
  • 19mm BASE
  • 25mm BASE
  • Pervious HMA Mixes
  • Paver Base
  • Bituminous Curb Mix
  • Cold Mix / Cold Patch
  • Tack Coat (5 gallon pails)
" "

WINCHESTER RECYCLING FACILITY

1320 N. Monroe Street
Baltimore, MD 21218
(410) 554-1056

Our Winchester Recycling Facility produces a variety of aggregate products. Since 2006 we have been developing and improving our capacity to produce sustainable aggregate products.

We recycle over 250,000 tons of aggregates each year. The Winchester Recycling Facility was the first state-approved recycling plant in MD to produce crushed concrete.

Products Available                                          Products We Accept

  • RC-2                                                                      Clean Concrete
  • RC-6                                                                      Millings
  • RC-GAB
  • Screened Millings
  • Unscreened Millings
  • ID-2 Sand
  • #8 Stone
  • #57 Stone
  • Masonry Sand
" "

Stancills Inc.

499 Mountain Hill Road
Perryville, MD 21903
(410) 939-2224

P. Flanigan and Sons, Inc. acquired Stancills Inc., a specialty aggregate company located in Perryville, in 2017.  Stancills is a diverse supplier servicing many industries providing bio-retention, green roofs, path mixes, sports field blends, and more. They also provide MD SHA topsoil and bio-retention (920.01.05) mixes, as well as MDE bio-retention soil (B.4.1).
More Info
" "

PRINCIPIO ASPHALT

1079 Belvidere Road
Port Deposit, MD 21904
(888) 962-7742

A joint venture between York Building Products, Diamond Materials and P. Flanigan & Sons, this new, state-of-the-art asphalt plant serves northern MD, southeast PA, and DE markets.

More Info