TURTLE writes:

Small Contractors === Min- $300K Contractor Liability insurance.
Small Contractors === Min- Small job $60K or less Electric / HVAC
Licences , HVAC Operator City permitt / licences, E.P.A. II Card in
Pocket , Recovery Machine on truck, and Have Workman's Comp if you
employee more than 5 Employees. This will get you to do a $60k jobs or
less / nothing over $250K worth of business a year , but nothing over
that.

Large Contractor === Min. $2 Mil. Contractor Liability insurance, Have
Louisiana State Commercial Electric Licences [ Adult size Lesstricity
Licences ] , Workman's Comp on all employees, Read to and apply to
Equal opportunity State Regulations, City of Doing business in City
Operator permit, Pay city fee on jobs over $1K of $3.00 on every $1K
of a job and city inspector will inspect it, E.P.A. Card with
Universial on it, Recovery Machine on trucks, Any job over $60K must
have job plain submitted to State Fire Marshal's Office, Have and
Submitt sales tax payments every month not Quarterly, and last of all
full fill all signed contractor and if not you go on probation for
one. Second one you get hit with paying other contractor to finish the
job. Third one you get all licences and operator permitts pulled for
one year and you pay other contractor to full fill your contracts.
that means you go belly up.

All that regulation and red tape.

The homeowners and commercial customers asked for this? "Please Mr
Politician, put all that in place because we want to be protected from
shoddy workmanship and unprofessional hacks."

These hideous systems came from pols and the trade, helping themselves
by making an industry into a gentlemen's invitation-only club.