| Company | Address | City | State | Zip |
|---|---|---|---|---|
| Bay State Contracting | 38 Washington Street P. O. Box 345 |
North Pembroke | MA | 02358 |
| Bidclerk, Inc. | 28 N Clark Street Ste 450 |
Chicago | IL | 60602 |
| Capeway Roofing Systems, Inc. | 664 Sanford Road | Westport | MA | 02790 |
| Commercial Roofing & Contracting | 340 Kennedy Drive P. O. Box 647 |
Putnam | CT | 06260 |
| Construction Data Company | One Oakbrook Terrace Suite 510 |
Oak Brook Terrace | IL | 60181 |
| Custom Copper and Slate | 10 Rhododendron Ave | Medfield | MA | 02052 |
| D.P. Carney Construction, Inc. | 34 Horseshoe Circle | Ware | MA | 01082 |
| Feeley, McAnespie Inc. | 200 Tanner Street | Lowell | MA | 01852 |
| Gibson's Roofs, Inc. | 369 Winter Street | Hanover | MA | 02339 |
| Greenwood Industries, Inc. | 50 Howe Ave. | Millbury | MA | 01527 |
| J. D. Rivet Company | 1635 Page Blvd. | Springfield | MA | 01104 |
| McGraw Hill Companies | ||||
| McGraw-Hill Companies | 34 Crosby Drive Suite 201 |
Bedford | MA | 01730 |
| Projectdog.com | 18 Graf Road Unit #8 |
Newburyport | MA | 01950 |
| R&H Roofing, LLP | 59 south Street | Easthampton | MA | 01027 |
| Reed Construction | 30 Technology Pkwy. South Suite 100 |
Norcross | GA | 30092 |
| Reliable Roofing, Inc. | 19 Harriet Street | Brighton | MA | 02135 |
| Rockwell Roofing Inc. | 44 Pond Street | Leominster | MA | 01453 |
| Silktown Roofing | 27 Pleasant Street | Manchester | CT | 06040 |
| SOM Construction | 46 Flaxfield Road | Dudley | MA | 01571 |
| Stanley Roofing Company | 42 Mitchell Road | Ipswich | MA | 01938 |
| Titan Roofing Inc. | 70 Orange Street | Chicopee | MA | 01013-3849 |