General Expertise

Expert Mechanical, Electrical, and Plumbing Contracting in Virginia

G. J. Hopkins offers a wide range of in-house mechanical, electrical, and plumbing design services and experience. We install MEP systems in offices, commercial, retail, and health care facilities, as well as higher education, K-12 schools, and industrial structures.

Mechanical Design Services


Duct Layout & Design

Heating & Cooling Plants

Hydronic Piping

Critical Environment

Electrical Design Services

Lighting Systems

Power Systems

Fire Alarm & Detection Systems

Nurse Call Systems

Emergency Power Systems

Telephone Data Systems

Security Systems

Mechanical, Electrical & Plumbing Design Services

Plumbing Design Services

Domestic Water

Natural Gas & Propane Distr.

Sanitary, Waste, & Vent Storm

Medical/Special Gas

Energy & System Study & Analysis

Energy Services

Capital Projects

Mechanical, Electrical & Plumbing Design Services