| Business | Phone |
| Flow Specialties Inc 1262 Grimmett Dr, Shreveport 71107 | (318) 425-5862 |
| Gardner Consultants Inc 5927 Fairfield Ave, Shreveport 71106 | (318) 865-1449 |
| Medical Gas Technologies Inc 1780 E Bert Kouns Loop, Shreveport 71105 | (318) 798-2988 |
| J W Measurement Co 669 Aero Dr, Shreveport 71107 | (318) 226-9110 |
| Southern Flow Co Inc 6800 Bert Kouns Loop, Shreveport 71129 | (318) 686-2297 |