Premier Developing Services, Inc. General Contractors out of Rowland Heights Ca. We specialize in residential and light commercial projects. All of our work is done in-house, no subcontracting. Concrete, Stone, Walls, Pavers, Canopies, Additions, Remodels, Flooring, Framing, Drywall, Roofing, Plumbing, Paint, Pool Decks, Patios, Decks.