| Wolf Peak International, Inc. Date Joined 10/03/08 1221 West Marshall Way Layton, UT 84041 |
| Tuff Toe, Inc. Date Joined 11/05/08 1442 West Collins Avenue, Suite G Orange, CA 92867 |
| Nevada Cylinder Testing & Cryogenic Repair Date Joined 10/23/08 1080 Marietta Way Sparks, NV 89431 |
| Hy-Mark Cylinders, Inc. Date Joined 10/03/08 305 East Street Hampton, VA 23661 |
| TAP Resources Date Joined 2/08/08 4737 Cortland Drive Orefield, PA 18069 |
| SVM E-Business Solutions Date Joined 2/08/08 220 Davidson Avenue Somerset, NJ 08873 |
| Servomex Company Inc. Date Joined 3/08/08 185 Julie Eivers Drive, #185 Sugar Land, TX 77478 |
| Industrial System Engineering LLC Date Joined 2/08/08 10379 County Road V Amherst, WI 54406 |
| Hydrostat Inc. Date Joined 2/08/08 330 1st Avenue, SE Rice, MN 56367 |
| Greenfield, a Brand of the Atlas Copco Date Joined 3/08/08 909 North Bowser Road Richardson, TX 75081-2823 |
| Electronic Sensors Inc. Date Joined 3/08/08 2063 South Edwards Street Wichita, KS 67213 |
| DF Machine Specialties, Inc. Date Joined 1/08/08 1750 Howard Drive North Mankato, MN 56003-1516 |
| Weld-Mart U.S.A., Inc. Date Joined 3/08/08 300 Sumac Road Wheeling, IL 60090 |
| US Gas & Equipment Date Joined 1/08/08 3994 Bayshore Blvd. Brisbane, CA 94005 |
| Oxyco Inc. Date Joined 3/08/08 108 FM 2230 W Big Spring, TX 79721 |
| Fiba Canning Inc. Date Joined 2/08/08 2651 Markham Road Scarborough, Ontario M1X 1M4 |
| Dataonline LLC Date Joined 6/08/08 10 Cottage Street Berkeley Heights, NJ 07922 |
| Cylinder Recyclers Date Joined 5/08/08 5 Penzance Road Rockport, MA 01966 |
| Bergquist, Inc. Date Joined 4/08/08 1100 King Road Toledo, OH 43635-1330 |
| Northern Welding & Supply Co. Date Joined 5/08/08 56th Ave. & Packer Drive Wausau, WI 54401-9325 |