| Mid-West Instrument Date Joined 7/23/07 6500 Dobry Drive Sterling Heights, MI 48314 |
| Advanced Welding & Industrial Supply LLC Date Joined 7/23/07 530 Highway 1 South Greenville, MS 38701 |
| Precision Specialty Gas Products Date Joined 7/16/07 335 East Sullivan Road Aurora, IL 60505 |
| Technifab Products, Inc. Date Joined 7/13/07 10339 North Industrial Park Drive Brazil, IN 47834 |
| Generon - IGS Date Joined 6/29/07 16250 Tomball Parkway Houston, TX 77086 |
| Helium and Balloons Across America Date Joined 6/25/07 12615 Steele Creek Road Charlotte, NC 28273 |
| Caplugs Date Joined 4/24/07 2150 Elmwood Avenue Buffalo, NY 14207 |
| Arcos Alloys Date Joined 4/24/07 One Arcos Drive Mt. Carmel, PA 17851 |
| Master Weld Products Date Joined 4/12/07 3962 Portland Suite, Unit A Coplay, PA 18037 |
| Dissolvo Date Joined 3/29/07 12830 South Dixie Highway Bowling Green, OH 43402 |
| TECSYS Inc. Date Joined 3/07/07 87 Prince Street, 5th Floor Montreal, Quebec H3C 2M7 |
| The M.K. Morse Company Date Joined 2/21/07 1101 Eleventh Street, SE Canton, OH 44707 |
| Dyanco International Date Joined 2/21/07 121 Anderson Court, Suite 2 Dothan, AL 36301 |
| Computer Pundits Corp. Date Joined 2/21/07 5001 American Boulevard West Bloomington, MN 55437 |
| MAXAL Inc. Date Joined 2/08/07 1631 International Drive Traverse City, MI 49686 |
| Americana Program Underwriters Date Joined 2/08/07 2333 Raldolph Road Charlotte, NC 28207 |
| Ravena Welding Supply, Inc. Date Joined 1/31/07 2441 Route 9 West Ravena, NY 12143 |
| MPT Industries Date Joined 1/31/07 6-B Hamilton Business Park Dover, NJ 07801 |
| Merit Abrasives Date Joined 1/29/07 2770 West Washington Street Stephenville, TX 76401 |
| Liberty Cryogenics, LLC Date Joined 1/22/07 17801 East Harvard Place Aurora, CO 80013 |
| Welding Alloys (USA) Inc. Date Joined 1/15/07 8535 Dixie Highway Florence, KY 41042 |
| LS Industries Date Joined 12/15/06 710 East 17th Street Wichita, KS 67214 |
| Koehler Welding Supply Date Joined 12/01/06 2352 Michigan Road Madison, IN 47250 |
| Ron-Sons Torch Date Joined 10/12/06 1-9677 192nd Street Surrey, BC, null V4N 4C7 |
| Kemper Corporation Date Joined 10/12/06 732 Washington Avenue West Haven, CT 06516-3756 |
| The Private Consulting Group Date Joined 9/11/06 1236 Brace Road Cherry Hill, NJ 08034 |
| Label Solutions, Inc. Date Joined 8/29/06 677 George Street Marshfield, MO 65706 |
| The Horton Group Date Joined 8/16/06 15825 North 71st Street Suite 205 Scottsdale, AZ 85254 |
| J.W. Kennedy & Son Welding Supplies, Inc. Date Joined 8/14/06 548 Perry Street Trenton, NJ 08618 |
| Mailam USA Date Joined 8/04/06 11442 Chairman Drive Dallas, TX 75243 |
| Northeast Pressure Vessel Testing Date Joined 7/24/06 97 Turnpike Road Westboro, MA 01581 |
| United Welding Supplies, Inc. Date Joined 7/14/06 1301 Lathrop Houston, TX 77220-5039 |
| Smart-Hose Technologies Date Joined 7/01/06 PO Box 16828 Philadelphia, PA 19142-0828 |
| "Lucas-Milhaupt, Inc. Date Joined 6/14/06 5656 South Pennsylvania Avenue Cudahy, WI 53110 |
| High Country Gas & Supply Date Joined 5/24/06 1039 Pitkin Avenue Grand Junction, CO 81501 |
| Weldcote Metals Date Joined 4/12/06 2100 Chespark Drive Gastonia, NC 28052 |
| Spectrum Gas Products Inc. Date Joined 4/03/06 1355 Logan Avenue, Suite 12 Costa Mesa, CA 92626 |
| IBG Gas LLC Date Joined 3/29/06 14252 Culver Drive, # 719 Irvine, CA 92604 |
| Primax Mfg. & Trading, Inc. Date Joined 3/27/06 9078 Rosecrans Avenue Bellflower, CA 90706 |
| OTC - Daihen Inc. Date Joined 3/23/06 1400 Blauser Drive Tipp City, OH 45371 |
| FLOPOWER / Trafimet USA Date Joined 2/28/06 2235-2237 West 77th Street Hialeah, FL 33016 |
| First Charter Insurance Services, Inc. Date Joined 5/22/06 1051 East Morehead Street Charlotte, NC 28204 |
| Fairmont Specialty Date Joined 8/02/06 10777 Westheimer Road Suite 500 Houston, TX 77042 |
| Electronic Fluorocarbons LLC Date Joined 10/25/06 PO Box 759 Hopkinton, MA 01748 |
| Cryogas Date Joined 12/01/06 1024 Landon Lane Arnold, MD 21012-1705 |
| C & C Leasing LLC Date Joined 3/28/06 13004 North 161st East Avenue Owasso, OK 74055 |
| BayArc, Inc. Date Joined 9/21/06 536 Cleveland Avenue Albany, CA 94710 |
| American Gas Group/Specialty Gases of America Date Joined 2/01/06 6055 Brent Road Toledo, OH 43611 |
| Alvin Products, Inc. Date Joined 9/12/06 85 Paris Street Everett, MA 2149 |
| Aeris, Inc. Date Joined 4/18/06 3715 Haven Avenue, Suite 220 Menlo Park, CA 91025 |
| National Sealants & Lubricants Date Joined 2/10/06 33110 Old Hempstead Road Magnolia, TX 77355 |
| National Alloy & Equipment, Inc. Date Joined 1/27/06 11425 West Little York Road Houston, TX 77041 |
| Florida Power & Welding D/B/A Trafimet USA Date Joined 2/28/06 2235-2237 West 77th Street Hialeah, FL 33016 |
| American Gas Group/Specialty Gases of America Date Joined 2/06/06 6055 Brent Road Toledo, OH 43611 |
| Fabstar, Inc. Date Joined 1/17/06 200 East Maple Street Cayuga, IN 47928 |
| Precise Equipment Company, LTD. Date Joined 1/31/06 11555 Highway 380 West Krum, TX 76249 |
| Auburn Manufacturing, Inc. Date Joined 1/31/06 34 Walker Road Mechanic Falls, ME 04256 |
| Hilb, Rogal & Hobbs of Alabama, Inc. Date Joined 1/31/06 1015 Montlimar Drive, Suite A200 Mobile, AL 36691 |
| Vac Oxygene Inc. Date Joined 1/06/06 1733 Boulevard Taschereau Longueuil, Quebec Canada J4K 2X9 |
| Fabstar, Inc. Date Joined 1/31/06 200 East Maple Street Cayuga, IN 47928 |
| FasTest, Inc. Date Joined 1/03/06 2315 Hampden Avenue Saint Paul, MN 55114-1231 |
| Hy-Mark Cylinders, Inc. Date Joined 12/22/05 305 East Street Hampton, VA 23661 |
| Cryotech International, Inc. Date Joined 12/02/05 745-B Camden Avenue Campbell, CA 95008 |
| Midwest Cylinder, Inc. Date Joined 12/01/05 6001 Dry Fork Road Cleves, OH 45002 |
| East Bay Welding Supply, Inc. Date Joined 11/30/05 5000 Blum Road Martinez, CA 94553 |
| Safe T Hose Co., Ltd. Date Joined 11/30/05 1121 Old Walt Whitman Road, Suite 200 Melville, NY 11747 |
| Arthur J. Gallagher & Co. of MA Date Joined 11/17/05 50 Braintree Hill Office Park, Suite 400 Braintree, MA 02184 |
| Traygases Welding Industrial Supplies Date Joined 11/05/05 Carr #2 KM 102.2, P.O. Box 40, Camuy PR 00627 Quebradillas, PR 00678 |
| Cryo*Source Date Joined 11/17/05 P.O. Box 299 Mount Shasta, CA 96067 |
| Titan Industries Date Joined 10/05/05 RD 2 Box 5A Martinsburg, PA 16662 |
| FSH Welding Date Joined 10/24/05 2341, 46th Avenue Lachine, Quebec H8T 3C9, Canada |
| Law Offices of Andrew B. Kaplan Date Joined 10/05/05 3563 Fourth Avenue San Diego, CA 92103-4912 |
| Spritus Consulting Date Joined 9/05/05 190 Ryland Street San Jose, CA 95110 |
| Chesapeake Consulting Services, LLC Date Joined 8/05/05 210 Margaret Way Kennett Square, PA 19348 |
| Boss Manufacturing Co. Date Joined 8/04/05 221 West 1st Street Kewanee, WA 61443 |
| Gregory Appel Insurance Date Joined 5/05/05 520 Indiana Avenue Indianapolis, IN 46202 |
| T & T Supply Company, Inc. Date Joined 5/05/05 127-76 D Willets Point Boulevard Corona, NY 11368 |
| The Mahoney Group Date Joined 5/05/05 1835 South Extension Road Mesa, AZ 85210-5942 |
| Betzendahl Gas Consultants, LLC Date Joined 4/05/05 721 Northbrook Road Kennett Square, PA 19348 |
| Amoxtec Inc. dba Analox USA Date Joined 4/05/05 5985 Engineer Drive Huntington Beach, CA 92649 |
| Robinson's Industrial Gas & Equipment Corp. Date Joined 4/05/05 664 Blue Point Road Holtsville, NY 11742 |