Anderson Electric, Inc.
- Electrical contractorswith offices in Matton, Springfield, Danville and Bloomington.
- http://www.anderson-electric.com/

Kelso-Burnett Co.
- Full service electrical contractors serving the greater Chicago Metropolitan area. Features information on services offered, job sites, links and locations for offices in Chicago, Zion, Rolling Meadows, and Rockford.
- http://www.kelso-burnett.com/

Divane Bros. Electric Co.
- Electrical contracting firm that features information on services, projects, newsletter, contacts and safety information. Includes a telecommunications division. Headquarters in Franklin Park with offices in Springfield.
- http://www.divanebros.com/