P T M General Engineering Services Inc

B: General Building Contractor

Authorizes construction of structures including residential, commercial, and industrial buildings requiring at least two unrelated building trades or crafts. May take prime contracts or subcontracts for framing or carpentry. May subcontract all specialty work but must hold the appropriate C license to self-perform specialty trade work.

Not authorized: Cannot self-perform specialty trade work (electrical, plumbing, HVAC, etc.) without holding the corresponding C license. Cannot contract for C-16 Fire Protection or C-57 Well Drilling without the appropriate license or subcontractor.

C-7: Low Voltage Systems Contractor

Installs, services, and maintains communication and low voltage systems not exceeding 91 volts, including telephone, sound, cable television, closed-circuit video, satellite dish antennas, instrumentation, temperature controls, and low voltage landscape lighting.

Not authorized: Does not include low voltage fire alarm systems or systems exceeding 91 volts (see C-10).

C-8: Concrete Contractor

Forms, pours, places, finishes, and installs specified mass, pavement, flat and other concrete work, and places and sets screeds for pavements or flatwork.

Not authorized: Does not include application of plaster coatings or placing and erecting steel reinforcing bars.

C-10: Electrical Contractor

Places, installs, erects, or connects electrical wires, fixtures, appliances, apparatus, raceways, conduits, solar photovoltaic cells, or any part thereof which generate, transmit, transform, or utilize electrical energy.

Not authorized: Electricians working under a C-10 must be certified per CA Labor Code.

C-13: Fencing Contractor

Constructs, erects, alters, or repairs all types of fences, corrals, runs, railings, game court enclosures, guard rails, barriers, playground equipment, backstops, posts, flagpoles, and gates.

Not authorized: Does not include masonry walls (see C-29).

C-27: Landscaping Contractor

Constructs, maintains, repairs, and installs landscape systems and facilities for public and private gardens, including preparing and grading plots for architectural, horticultural, and decorative treatments.

C-31: Construction Zone Traffic Control Contractor

Prepares or removes lane closures, flagging, or traffic diversions using portable devices such as cones, delineators, barricades, sign stands, flashing beacons, arrow trailers, and changeable message signs on roadways.

C-32: Parking and Highway Improvement Contractor

Applies and installs protective coatings, vehicle stops, guard rails, directional lines, buttons, markers, signs, and arrows on parking facilities, airports, highways, and roadways. Includes surface preparation but not repaving.

Not authorized: Does not include re-paving of surfaces.

C-45: Electrical Sign Contractor

Fabricates, installs, and erects electrical signs including wiring, and non-electrical signs including post/pole supported, structure-attached, and painted wall signs.

D09: Drilling, Blasting and Oil Field Work

Performs drilling, blasting, and oil field construction work.

D42: Sign Installation

Installs non-electrical signs.

Not authorized: Does not include electrical sign work (see C-45).

HAZ: Hazardous Substance Removal Certification

An add-on certification for removal of hazardous substances. Only issued to contractors holding A, B, C-12, C-21, C-36, C-57, or C-61/D-40 licenses.

Not authorized: Restricted to contractors holding qualifying base licenses.