| Business | Phone |
| Chirp Technologies 7700 San Felipe St # 310, Houston 77063 | (713) 974-3921 |
| Epsilon 1800 Sherwood Forest St, Houston 77043 | (832) 358-2080 |
| Excellence In Is Solutions 2855 Mangum Rd, Houston 77092 | (713) 862-9200 |
| Lucid Ideas 1622 Gunwale Rd, Houston 77062 | (281) 486-9148 |
| Integrated Micro Sensors 4800 Calhoun Rd, Houston 77004 | (713) 748-7926 |