Mark III’s Service division understands the value of information and communication to our clients. We lead the construction industry in utilization of advanced technology on all projects. Our team of certified professional technicians track detailed project notes and work history using management software to deliver real-time updates and electronically submitted work orders to ensure immediate and accurate reporting for all clients. Servicing both commercial and industrial clients, Mark III service technicians consistently deliver multi-trade, complex projects while exceeding client expectations.

Rely on Mark III for all trades, all the time.

Our trusted employees are background screened, certified and drug free.  The Mark III Service team performs installations, repairs and maintenance across a full spectrum of construction disciplines at highly competitive rates.




Call us 24/7 for services in the following areas:

  • Electrical

    • Electric Vehicle supply equipment (commercial/industrial/residential)
    • Lighting installation and repairs
    • Panel upgrades, wiring, switches, outlets and breakers
    • Emergency power generators
    • Preventive maintenance
  • Plumbing

    • Toilet, faucet, fixture, pipe leaks and repairs
    • Fire pumps, backflow testing and certification
    • Gas leaks
    • Sewer clogs/sump pump maintenance and replacement
    • Underground leaks
    • Water heater repair and installation
    • Preventive maintenance
  • Fire Sprinkler

    • Inspections – Quarterly, semi-annual, 5-year
    • Inspection reports noting pass/fail
    • Inspection correction work
    • Fire pump testing
    • Fire hydrant flow testing
    • System design, installation and upgrades
  • Fire Alarm/Monitoring

    • Inspections – Quarterly, semi-annual, 5-year
    • Fire and intrusion monitoring
    • Inspection correction work
    • Alarm panel installation and service
    • System design, installation and upgrades
  • Mechanical/HVAC

    • Design/Build installation
    • Preventive maintenance
    • Maintenance Agreements
    • Alarm panel installation and service
    • Replacement/repairs (cooling towers, boilers, box cars)
    • Tune-ups
    • Diagnostics
    • Cleaning
    • Freon check/replacement
    • Air ducts
    • Fuses
    • Air ducts
    • Thermostats
    • Air filters
    • Contactors
    • Condenser motor
    • Condenser
    • Blower motor
    • Evaporative coils
    • Controls
    • VAV/CAV Controls
  • Data/Communications

    • Low voltage/network cabling: Audio, video, data cabling (Cat5E, Cat6, Cat6A, fiber)
    • Patch panels
    • Access controls: Design, installation and configuration
    • CCTV
    • Service Agreements
    • Maintenance Agreements
  • Special Projects

    • Remodels
    • Asphalt sealing and repairs
    • Carpentry
    • Demolition
    • Doors
    • Weatherproofing
    • Graffiti
    • Power washing
    • Concrete – repair, removal and replacement
    • Bollard fabrication/installation
    • Tile repair
    • Sheetrock
    • Masonry
    • Ceiling tile replacement
    • Core drilling
    • Saw cutting
    • Tenant Improvements

One call.
Complete service