A Blueprint
for Integrity


We pledge to do what's right. It's not always easy. If we have to stop and ask ourselves, "Is this right?" – we already know the answer. Our motto:
Integrity always.


We're Resourceful

Our team of construction veterans has seen almost every kind of industry, technology and project environment. With offices across the Mid-Atlantic and Midwest, we know how to meet budgets and deadlines, taking you from groundbreaking to ribbon cutting.

Performance Construction Services

Formed in 2003, 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 Construction

Established in 1882, Quandel Construction Group is a 4th generation, family-owned, commercial construction company. For 135 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.

J. Vinton Schafer

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

QEI Construction

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.

Quandel Consultants

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.

Pyramid Construction

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.

Quandel Enterprises

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