- Commercial
- Defence
- Education
- Health Care
- Hotels
- Industrial
- Laboratories
- Leisure
- Refurbishment
- Religious
- Retail
- Building Refurbishment
- Commissioning/Testing
- Electrical Services (including lighting)
- Energy Audits
- Evaporative Cooling systems
- Heating, Ventilating & Air Conditioning
- Low Energy/Sustainable Design
- Maintenance/Surveys
- Mechanical Services
- Public Health Services
- Specialist Lighting
02-Oct
David Marshall Jnr BSc (Hons) CEng MCIBSE; David Marshall Snr CEng MCIBSE
- South East England