The NEBB is the premier international certification association for firms that perform testing, adjusting and balancing of heating, ventilating and air conditioning systems in addition to building systems commissioning, sound and vibration measurement, retro-commissioning, fume hood testing and cleanroom performance certification.

Cleanroom, Laminar Flow Hood, and Biological Safety Cabinet Testing and Certification, Controlled Environment Performance Audits, HEPA/ULPA Filter Testing, and Build-Clean Monitoring and Protocol

TSS provides cleanroom (clean room) testing, cleanroom certification, and commissioning services for the medical device manufacturing, biotech, biotechnology, pharmaceutical, genetic, and biological research communities-TSS specializes in solving tough compliance issues and assuring that aseptic facilities are kept clean with bioburden environmental monitoring, decontamination, decommissioning, and particulate testing. For more experienced engineers, the industry's best technicians, and audit proof documentation-trust TSS.

Specialist HVAC Commissioning & Maintenance Company. Services include Balancing, Building pressure testing, NEBB certification, Independent Commissioning Agents & AS 1851 smoke safety systems