A Master Electrician is required when any electrical work is preformed. Failure to have a permit issued by a Master Electrician will put you in jeopardy of having to deal with a very unforgiving Electrical Enforcement Unit.
In many instances Architects are required, architect draw plans and get them approved, any type of change, and legalization for a property will require a architect.
PROFESSIONAL ENGINEER (PE)
Majority of jobs that deal with a property's structure will need, inspections, technical reports, and other structural services that are performed by the engineer.
MORE AVAILABLE PROFESSIONALS COMING SOON.
Keep in mind that there are many trades we cover such as, Master Sign Hanger, Asbestos Person, Surveyor, General Contractor, and more.