Gene Pira Inc

C-11: Elevator Contractor

Fabricates, erects, installs, and repairs elevators including sheave beams, motors, cable and wire rope, guides, cab, counter weights, doors, controls, and signal systems for electrical, hydraulic, and manually operated elevators.

C-16: Fire Protection Contractor

Lays out, fabricates, and installs all types of fire protection systems including all associated equipment.

Not authorized: Does not include electrical alarm systems.

C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor

Fabricates, installs, maintains, services, and repairs warm-air heating systems and water heating heat pumps, ventilating systems, air-conditioning systems, and the ducts, registers, flues, humidity and thermostatic controls and air filters in connection with these systems. Includes solar-powered HVAC systems.

Not authorized: Does not include boiler or steam heating (see C-4) or refrigeration below 50F (see C-38).

C-36: Plumbing Contractor

Provides means for a supply of safe water and proper disposal of fluid waste, including piping, storage tanks, venting, gas appliances and connections, water and gas piping, water heating equipment including solar, and health and safety devices such as backflow preventers and gas earthquake valves.

Not authorized: Does not include forced warm-air units (see C-20).

C-38: Refrigeration Contractor

Constructs, fabricates, erects, installs, maintains, services, and repairs refrigerators, refrigerated rooms, insulated spaces, temperature insulation, air-conditioning units, ducts, blowers, and thermostatic controls for temperatures below 50 degrees Fahrenheit (10 degrees Celsius).

Not authorized: Temperatures above 50F fall under C-20 HVAC.