James D. Morrissey, Inc. has been constructing the Delaware Valley’s major roads, airports and developments for almost 100 years. Eureka Stone Quarry, Inc. along with JDM Materials Co. has supplied material to almost every major development and roadway for the past 60 years.



James D. Morrissey, Inc. is at the foundation of our operations. Founded over 85 years ago, we have a keen expertise in construction.

Aggregates / Asphalt

Eureka Stone Quarry, Inc. owns and operates eight hard rock quarries, three sand & gravel plants, and seven asphalt plants.

Ready Mixed Concrete

At JDM Materials Co., we’ve been manufacturing ready mixed concrete and supplying it to customers since 1954.

Redi-Rock Retaining Walls

Redi-Rock is an engineered retaining wall system that looks great, is easy to install, and will stand the test of time.

South Philly Precast

JDM Materials Co. is partnering with LPB (A division of Recon) to produce a few new precast products under the banner South Philly Precast.