By the late 1980s, IES started developing and implementing new systems and internal processes, software, and hardware to improve our ability to meet our customer’s needs.
| Baton Rouge | 800-825-2344 | |
| Houston | 888-268-0049 | |
| Jackson | 800-256-2065 | |
| Little Rock | 800-256-2036 | |
| Longview | 800-825-2310 | |
| Oklahoma City | 888-303-8838 | |
| Shreveport | 800-825-2377 | |
| Springdale | 888-253-9489 | |
| Tulsa | 866-357-3054 |
VISIT IESCorporate Office/Shreveport Branch
2321 Texas Ave.
Shreveport, LA 71103
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