| Business | Phone |
| Ars Security Inc 1290 Stone Church Rd E, Hamilton L8W 2C8 | (905) 387-1086 |
| Group 4 Securitas Ltd 6 Catharine St N, Hamilton L8R 1H8 | (905) 528-6691 |
| Gss Security 1219 Main St E, Hamilton L8K 1A5 | (905) 547-5552 |
| Hamilton-Wentworth Protection 94 Park St N, Hamilton L8R 2N1 | (905) 521-2161 |
| Initial Security 54 Centennial Pky N, Hamilton L8E 1H6 | (905) 578-6955 |
| Midnight Protection Svc Ltd 180 James St S #207, Hamilton L8P 4V1 | (905) 972-0077 |
| Mackay & Assoc 45 Goderich Rd #7a, Hamilton L8E 4W8 | (905) 578-0001 |
| Rnr Security Svc 44 Hughson St N #307, Hamilton L8R 1G3 | (905) 541-5620 |
| Bay Area Investigations Svc 90 John St S, Hamilton L8N 2C1 | (905) 529-6002 |
| Securitas Canada Ltd 180 James St S #202, Hamilton L8P 4V1 | (905) 525-1042 |