- Owner / developer — pays for and owns the project (the prospect).
- Owner's representative — sometimes hired by the owner to manage the GC on their behalf.
- Architect — designs the building; stamps drawings.
- Engineers — structural, civil, MEP (mechanical/electrical/plumbing) — design the systems.
- General contractor (GC) — builds it; coordinates and is responsible for all subcontractors. (Pereff.)
- Subcontractors ("subs") — specialized trades (concrete, steel, electrical, plumbing, HVAC, drywall, etc.).
- Superintendent ("super") — the GC's boss on the jobsite, runs the day-to-day.
- Project manager (PM) — the GC's manager of budget, schedule, and contracts.
- Lender — finances the project; controls the draw schedule.
- AHJ (Authority Having Jurisdiction) — the city/county that issues permits and inspects.
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