A. Ruiz Construction Company & Associates, Inc. is a general engineering and building contractor with expertise in civil engineering work, as well as residential building and remodeling, including: structural concrete reservoir construction and repair tunnels utilities installation: high and low-pressure water high and low-voltage electrical sewer gas street and sidewalk improvements general building building finish-outs tenant improvement ARCCO holds both a Class A and Class B Contractor's License and carries five major insurance types essential for conducting business in the state of California and for the health and continued operation of the company.