1- Emerson Automation
2- Barmalco
3- Bray Control
4- Canring Drilling Technology, Ltd
5- Dezurik
6- Cameron Valves
7-Celeros
8- Endries International
Fort Worth Aluminum Foundry
9- Gauging Systems, Inc
10- Griswold Industries
11- Holloway Houston , Inc
12- Houston Gear USA, Inc
13- Hydril Co
14- International Construction Equipment
15- Industrial Specialist Com. Of Texas, Inc
16- Liftmoore, Inc
17- Kalsi Engineering
18- MCM OIl Tool
19- N-Line Valves
20- Open & Close Equipment
21- Omaha Steel Castings
22- Ram Industries
23- SLB Technology Corp
24- R.C Technical Welding
25- Russell Oilfield Equipment
26- Schlumberger
27- South Texas Industries
28- SPX Process Equipment – Houston
29- Star Precision
30- The Newdell Company
31- Thermo Electron Corp
32- Tramontina, Inc
33- Triumph International LLC
34- Unitra, Inc
35- Varec Biogas
36- Waston Grinding & Mfg. Co
37- Welker, Inc
38- Whitehill Manufacturing Corp
39- Windmoeller & Hoelscher