| 1 | Coghlin Electrical Contractors Inc. & Coghlin Network Services
100 Prescott St., Worcester 01605
508-793-0300 • www.coghlin.com
| 200
| 1
| $47,000,000
| Electrical, telecommunications, design-build, security, AV, IT networking and critical power installations
| Susan Mailman
President
100%
| 1885
|
| 2 | E.T.& L. Corp.
873 Great Rd., 2nd floor, Stow 01775
978-897-4353 • www.etlcorp.com
| 140
| 1
| $34,000,000
| Site excavation, highway, dam, road, landfill and bridge construction, utilities
| Jennie Lee Colosi
President
100%
| 1945
|
| 3 | Adtech Systems Inc.
490 Boston Post Rd., Sudbury 01776
978-261-1077 • www.adtech-sys.com
| 80
| 2
| $30,000,000
| Dealer and system integrator of video audio, audio visual, screens, video conferencing products
| Elizabeth Gormley
President
100%
| 1989
|
