Jersey's leading aggregate producer and supplier of Delaware River
Stone. In addition to construction and roofing aggregates,
Harmony is a widely recognized source of landscape material, selling
both to wholesale and retail accounts since 1952.
Manufacturers of Delaware River Round Landscape Stone in all the
popular sizes from 1/4 inch, 3/8 inch 3/4 inch, 1 inch, 1-1/2 inch,
2 x 5 inch, 4 x 8 inch, 6 x 20 inch, cobble stones and various sizes of
Our Delaware River Stone is neutral in color and blends into any
landscape architect's color scheme with gentle color tones that make
a subtle statement. This stone has been used up and down the
East Coast and is widely used on many sites including fast food
restaurants, industrial parks, developments, golf courses and
municipal work. Our quality product is even found in such
places as Liberty Island, near the Statue of Liberty, The Vietnam
Memorial in New Jersey and on corporate sites such as Johnson &
Johnson's Somerville, New Jersey facility.
fill - special blends to meet the most exacting
requirements for septic systems, elevated sand mounds, etc. We also
provide approved drainage stone
Split River Rock - building stone for home fireplaces,
chimneys, facades and masonry stone walls ( available on pallets).
- for drainage gutters, channels, bank revetments, rock gardens,
dikes, general landscaping.
- for general landscaping and large scale projects such as Theme
Parks, for use as safety barriers and to mark driveway entrances.
Fill - tested and certified
clean fill for D.E.P. projects N.J. D.O.T Spec. 1-3 and 1-9.
and ASTM approved Concrete Sand, Mason Sand and Quarry Process Stone
- for roads beds, crushed and washed 3/8 inch, clean 3/4 inch, 1-1/2
inch for the construction industry, round roofing stone, winter
aggregate - for use in
pre-cast concrete walls