QUADCA

Providing client referral programs for plumbing service, duct repair service, heating service, and air conditioning service; Advertising and directory services, namely, promoting the services of others by providing a web page featuring links to the websites of others; the foregoing excluding lighting and LED products and services

Testing, analysis and evaluation of the services of others to determine conformity with certification standards; certification program namely, testing, analysis, and evaluation of air duct quality and filters to determine conformity with certification standards