| Business | Phone |
| A & K Petro-Chem Ind Ltd 316 Edgeley Blvd, Concord L4K 3Y3 | (416) 213-5611 |
| A & K Petro-Chem Industries 316 Edgeley Blvd, Concord L4K 3Y3 | (905) 738-3621 |
| Interstar 40 Viceroy Rd, Concord L4K 2L8 | (905) 669-5333 |
| Kobitex Inc 55 Administration Rd #36, Concord L4K 4G9 | (905) 669-0037 |
| Troy Chemical Co Ltd 242 Applewood Cres, Concord L4K 4E5 | (905) 760-7902 |
| Chemsyn Chemical Corp 23 Mccleary Crt #10, Concord L4K 3R6 | (905) 760-8234 |
| Chemsearch 50 Ritin Lane, Concord L4K 4C9 | (905) 660-0454 |