Barta Brothers Construction Corp

O. Ahlborg & Sons is a general construction contractor located in Cranston, R.I. The company has expertise in the design and construction of commercial buildings, office complexes, schools, health care facilities, municipal buildings, retail and multi-residential complexes. Founded more than 75 years ago by Olaf Ahlborg, the company has grown from a specialized residential construction firm to an industry leader involved in all forms of construction delivery services including general contracting, construction management, fast track and design-build projects. The company builds projects throughout the United States. Its completed projects include: Rocky Hill School in East Greenwich, R.I.; Tamarisk Assisted Living Residence in Warwick, R.I.; and Providence Public Safety Complex in Providence, R.I.

DAmbra Construction operations four divisions: highway, construction, soils and utilities. Beginning in 1984 with the acquisition of its first asphalt manufacturing plant, DAmbra Construction became one of the major road building in the state of Rhode Island. The construction division focuses on the development of raw land into recreation parks, residential subdivision, commercial and industrial facilities and government installations. The soils division remediates petroleum-contaminated soil. DAmbra s utilities crews concentrate on the installation of sewer line, water mains, drainage lines and conduit for electrical and telephone cables. DAmbra is located in Warwick, R.I.