| Business | Phone |
| Trane Co 20 Corporate Woods Dr, Bridgeton 63044 | (314) 301-6000 |
| St Louis Findlay Heating & Air 4200 Bonfils Dr, Bridgeton 63044 | (314) 291-1030 |
| Carrier Corp 4669 Crossroads Industrial Dr, Bridgeton 63044 | (314) 739-8721 |
| Design Aire Inc Heating & Cool 3940 Taussig Ave, Bridgeton 63044 | (314) 739-1600 |