A blueprint
for integrity

Quandel Enterprises is the parent company to Quandel Construction Group, J. Vinton Schafer, QEI Construction, Pyramid Construction, Performance Construction Services, and Quandel Consultants.

Established in 1882, Quandel Construction Group is a 4th generation, family-owned, commercial construction company. For 136 years, the company has been providing construction, construction management, design-build and owner’s representative services. Our experience spans across 5 offices throughout the Mid-Atlantic and Midwest.

Founded in 1919, J. Vinton Schafer offers complete construction services throughout Maryland and the surrounding area. We have effectively combined our broad construction background with our corporate attitude of cooperation and teamwork. The result of this concerted effort allows us to provide a full range of construction management services.

QEI Construction Group, LLC provides specialized design build services focused on the warehouse, distribution and logistics marketplace. Our team of design build experts has decades of project experience delivering nearly 17 million SF of big box projects in the Mid-Atlantic market.

Pyramid Construction Services, Inc., now in its 20th year of operations, specializes in construction, construction management, design-build, facility maintenance & service contracts and owner’s representative services in the South Central Pennsylvania region.

Formed in 1995, Performance Construction Services, Inc. is a general contracting company specializing in heavy concrete, bridges, dams, and wastewater treatment plants. At any given time, Performance has 50 to 125 tradesmen performing superior work for our clients.

Quandel Consultants has three decades of providing program management, engineering, planning, operations analysis and construction management services to the railroads, rail transit industries, bridge and civil market sectors.