| Business | Phone |
| La Farge 1649 Bearbrook Rd, Gloucester K1B 1B8 | (613) 837-7111 |
| Lafarge Canada Inc 1649 Bearbrook Rd, Gloucester K1B 1B8 | (613) 831-2575 |
| Lafarge Construction Materials 1649 Bearbrook Rd, Gloucester K1B 1B8 | (613) 837-4223 |
| Leitrim Construction & Mobile 3250 Blais Rd, Gloucester K1G 3N4 | (613) 822-9088 |
| Demix-Dufferin Concrete Group 1540 Star Top Rd, Gloucester K1B 3W6 | (613) 745-9884 |