CONSTRUCTION

Our award-winning Construction team is featured in our Portfolio.

UTILITIES

One of our most popular services is Utilities. See why.

RESTORATION

The weather doesn't take a break, and neither do we.

WATER

Our Water division is armed with expert foremen and workers.

We are a minority woman-owned general contracting firm in Wilmington, Delaware.

Guardian started business in 1976 under the direction of Nona J. Cunane.

Careers

We take pride in providing our employees with industry-leading benefits and flexible work schedules.