| Business | Phone |
| Al Hill's Boiler Sales & Rprs 11931a Richcroft Ave, Baton Rouge 70814 | (225) 751-5515 |
| Diamond Power Specialty Co 7940 Jefferson Hwy, Baton Rouge 70809 | (225) 927-0026 |
| J & M Boiler Combustion Cntrl 6225 Benefit Dr, Baton Rouge 70809 | (225) 751-8748 |