Environmental Contractors, Inc. is a William Charles Company specializing in environmental contracting and remediation. ECI entered the environmental remediation field in the 1970's as the environmental contracting division of Rockford Blacktop Construction Company (RBT).

As a member of the William Charles Construction Group, ECI is able to mobilize a complete range of heavy earth-moving equipment to meet the unique needs of remediation projects. ECI has available a full complement of vehicles and machinery including excavators, scrapers, caisson rigs, bulldozers, loaders, cranes, hazmat response trailers, mobile drill rigs, as well as fully equipped field office trailers.

WILLIAM CHARLES, LTD. Parent company of the William Charles Construction Group.

WILLIAM CHARLES INVESTMENTS Real Estate division offering industrial, commercial, retail, and residential properties.

ROCKFORD BLACKTOP CONSTRUCTION COMPANY Construction company specializing in earth moving, underground piping, and road construction.

ROCKFORD BLACKTOP SMALL PAVING DIVISION Asphalt paving company specializing in residential and small commercial paving projects.

ROCKFORD ELECTRIC POWER High power electrical contractor specializing in traffic lights, outdoor lighting and electrical supply systems.

ROCKFORD SAND AND GRAVEL Supplier of sand and gravel with many locations in the greater Rockford, IL area.

RAGNAR BENSON CONSTRUCTION A full service construction and engineering company.

WILLIAM CHARLES WASTE COMPANIES Residential, commercial and industrial waste haulers.

WINNEBAGO RECLAMATION Special waste landfill.

MUNICIPAL MAINTENANCE Asphalt maintenance company specializing in commercial and governmental maintenance projects.

ENVIRONMENTAL CONTRACTORS, INC. Environmental remediation contractor.