Nema Enterprises

Cherenzia Excavation is a site-excavating contractor and aggregate materials supplier servicing southeastern Connecticut and southern Rhode Island. It operates an 80-acre quarry and crushing plant in Westerly, R.I., and has the capability to put portable facilities on construction sites. Founded in 1955, Cherenzia Excavation has performed as the site contractor on all types of projects for all types of business and industry. For the robust tourist industry of the area it has built, expanded and rebuilt several golf courses, participated in the construction of the world's largest casino and been the site contractor for the heralded expansion of Mystic Marinelife Aquarium.

A/Z Corporation offers technology-based construction and facility maintenance services to the life sciences, manufacturing, hospitality, education and mission-critical industries. It is also a member of the American Institute of Architects, Association for the Advancement of Cost Engineering International and International Society for Pharmaceutical Engineering. The company offers preconstruction services that include budget development, value management analysis, permitting assistance, site logistics and equipment procurement. A/Z Corporation also has expertise in validation, verification and commissioning services. Its site capabilities include specialized demolition, excavation, backfilling and compacting. The company integrates and services technology-based systems, including network transportation, wireless communication and fiber-optic systems. A/Z Corporation additionally offers mechanical installation services for waste and water treatment, fire protection, material handling, and heating ventilation and air conditioning systems.