EMJAY Engineering & Construction Co., Inc. provides its construction and renovation expertise on all sizes of private and public projects throughout the Maryland, Washington, DC, Virginia and Southern Pennsylvania region since 1954. The company specializes in institutional, commercial and industrial renovations.

EMJAY's mechanical and plumbing services include:

  • Preconstruction & Design/Build Services
  • Value Engineering
  • Green Design / Construction
  • Complete HVAC (Heating, Ventilating, Air Conditioning) Services
  • Complete Plumbing Services
  • HVAC / Plumbing Pre-Fabrication
  • Industrial Process Piping & Utility Piping
  • Chilled Water Systems
  • Condenser Water Systems
  • Air Distribution Systems
  • Medical/Lab Gas Systems
  • Tenant Fit-Outs
  • Backflow Testing & Certification
  • Bonding Capacity
  • Safety & Health Program
  • MOSH Partnership