Grenco has been providing dependable and affordable full service excavation and septic services in Rhode Island and Southern New England since 1991. Grenco is dedicated to providing our customers with quality, professional, and personalized service. We pride ourselves on our highly trained staff and outstanding work ethic. We are committed to providing the best service the industry has to offer.
We are a full service excavation firm providing Septic Services, Septic System Installations, Septic Inspections, Septic Designs, Septic Repairs, Full Service Excavation and Grading, Road Building, Boulder Retaining Walls and Drainage Installation, Landscape Construction, Sewer Connections, Demolition, Bobcat, Mini Excavator and Skid Steer, and Trucking Services.