• ​237110 - Water & Sewer Line & Related Structures Construction
  • 237310 - Highway, Street, & Bridge Construction
  • 237990 - Other Heavy & Civil Engineering Construction
  • ​238910 - Site Preparation Contractors

Control systems

  • Johnson Controls
  • Andover
  • Honeywell
  • Siemens

Integrated solution

  • Chiller Replacement
  • Boiler Upgrade
  • Lighting Conversion
  • Rooftop Equipment Replacement
  • Compressed Air System Upgrade
  • Heat Recovery Systems
  • Fuel Conversion
  • Power Generation
  • Cogeneration
  • Variable Frequency Drive Installation
  • Water Conservation Systems
  • Temperature Controls Retrofit
  • VAV System Retrofit
  • Variable Volume Pumping
  • Demand Control Ventilation
  • Steam Decentralization
  • CA Controlled Storage
  • Design-Build Implementation
  • Value Engineering

construction services

  • General Contracting
  • Pipefitting Installation
  • Electrical Installation
  • Temperature Control Installation
  • ​Construction Management

Tamsah is a full-service General Contractor and Facilities Support Services company specializing in mechanical, electrical and plumbing systems. However; our services and capabilities are as wide ranging as the projects we undertake. These multi-disciplined projects have been performed as close as two hours away in the State of Ohio and as far away as Yokota AFB, Japan, and have included maintenance, repair, renovation, alteration, new construction and design-build.


While we consistently maintain strong working relationships with fully qualified subcontractors, we  have the in-house capability to self-perform many of our contract responsibilities with our experienced and skilled professional staff.  Our capabilities include:

Capability & Services

  • 236220 - Commercial and Institutional Building Construction
  • 238220 - Plumbing, Heating, and Air-Conditioning Contractors
  • ​238210 - Electrical Contractors & Other Wiring Installation Contractors

Engineering Services

  • Mechanical Engineering
  • Electrical Engineering
  • Building Automation
  • System Commissioning
  • Product Evaluation and Energy Analysis

®

NAICS Codes

Hvac services

  • Chilled Water Systems
  • Hot Water Systems
  • Ventilation Systems
  • Heat Pump Systems
  • Refrigeration Systems
  • Electrical Systems
  • 238990 - All Other Specialty Trade Contractors
  • 561210 - Facilities Support Services
  • 811310 - Commercial & Industrial Machinery & Equipment (Except Automotive & Electronic) Repair & Maintenance

process systems

  • Compressed Air Systems
  • Hydraulic Systems
  • Process Water Systems
  • Heat Pump Systems
  • Wastewater Systems
  • Electrical Systems