Custom Machine 30 Nashua Street Woburn, MA 01801 Tel: 781-935-4940 Fax: 781-935-3904 Web site: www.custommachineinc.com	North Star Aerospace, Inc. 6006 West 73rd Street Bedford Park, IL 60638 Tel: 708-728-2000 Fax: 708-728-2009 Web site: www.nsaero.com
Delta Research Corp. 32971 Capitol Street Livonia, MI 48150 Tel: 734-261-6400 Fax: 734-261-0909 Web site: www.delrecorp.com	Sterling Machine Co., Inc. 4 Peerless Way Enfield, CT 06082 Tel: 860-741-2546 Fax: 1-800-741-6119 Web site: senioraerospace.com/aerospace/company.cfm/33
Purdy Corporation 586 Hilliard Street Manchester, CT 06040 Tel: 860-649-0000 Fax: 860-645-6293 Web site: www.purdytransmissions.com	Triumph Gear Systems-Macomb 15375 23 Mile Road Macomb, MI 48042-4000 Tel: 586-992-8838 Fax: 586-781-5002 Web site: www.triumphgs.com
Norbert Industries, Inc. 38111 Commerce Drive Sterling Heights, MI 48312 Tel: 586-977-9200 Fax: 586-977-7343 Web site: www.norbertind.com/aerospace.htm	A.J.R. Industries, Inc. 117 Gordon Street Elk Grove, IL 60007 Tel: 847-439-0380 Fax: 847-439-0230 Web site: www.ajrindustries.com
Berkshire Industries, Inc. 109 Apremont Way Westfield, MA 01086-0828 Tel: 413-568-8676 Fax: 413-562-0061 Web site: www.berkshireindustries.com	D&R Machine Company 1330 Industrial Highway Southampton, PA Tel: 215-526-2080 Fax: 215-526-2084 Web site: www.drmachine.com
Vanpro Incorporated 725 3rd Avenue SE Cambridge, MN 55008 Tel: 763-689-1559 Fax: 763-689-3607 Web site: www.vanpro-inc.com