| Business | Phone |
| Calcasieu Parish Police Jury 2901 Westwood Rd, Westlake 70669 | (337) 436-3868 |
| City Of Westlake 709 Sampson St, Westlake 70669 | (337) 436-2296 |
| Ins-Trol Inc 617 Gray St, Westlake 70669 | (337) 436-2154 |
| Jeff's Pool Parlor 3890 Highway 90, Westlake 70669 | (337) 882-7567 |
| Kansas City Southern Lines 3500 Old Spanish Tr, Westlake 70669 | (337) 882-6923 |
| Louisiana Pigment 3101 Bayou Dinde Pass, Westlake 70669 | (337) 882-1836 |
| Quality Assurance Specialists 3228 Highway 90, Westlake 70669 | (337) 882-6100 |
| Tommorrows 3890 Highway 90, Westlake 70669 | (337) 882-7567 |
| Turner Co 1300 P P G Dr, Westlake 70669 | (337) 882-6649 |
| Sulphur Wastewater Treatment 3400 Bayou Dinde Rd, Westlake 70669 | (337) 527-4584 |