O. W. Landergren, Inc., 1500 W. Housatonic St. Pittsfield, MA 01201-7500 (413) 442-5632 F: (413) 499-0614 / (800) 835-4542
OCO Tool Company 109 N. Olive St. Santa Paula CA (805) 933-8111 F: (805) 525-5683 Blog
ODM Tool & Mfg. Co. Inc., 9550 Joliet Rd Hodgkins, IL 60525-4148 (708) 485-6130 F: (708) 485-6540
OMW Corporation 21 Pamaron Way, Ste G, Novato, CA 94949 (415) 382-1669 F: (415) 382-9069 Map - Prototype
O.T.S. Manufacturing 655 S. State College Blvd. #31 Fullerton, CA 92831 (714) 992-9131 Fax: (714) 992-9291 Map

Oak Products 7200 Fenwick Lane Westminster, CA 92683 (714) 897- 8031 F: (714) 897-6502 Map
Oakdale Precision, Inc. 7022 North 6th St., Oakdale, MN 55128 (651) 730-7700 F: (651) 730-8111 Map
Oberg Industries 2301 Silverville Rd. Freeport, PA 16229-0315 (724) 295-2121 F: (724) 295-2588
Ohio Engr. & Mfg. 350 State St. Building 5 Wadsworth, OH 44281 (330) 336-9700 (330) 336-9779 Map - HPM Pump
Ohio Gasket & Shim Co., Inc. 976 Evans Ave. Akron, OH 44305-1019 (330) 630-2030 F: (330) 630-2075 / (800) 321-2438
Ohio Stamping & Machine LLC 1305 Innisfallen Street Springfield, OH 45506 (937) 322-3880 F: (937) 322-2150
Okay Industries, Inc., 200 Ellis St. New Britain, CT 06050-2470 (860) 225-8707 F: (860) 225-7047
Omega Consolidated Corporation 101 Heinz Street Hilton, NY 14468 (585) 392-9262 F: (585) 392-4868 - Facilities - RFQ
Omega Precision Corp. 1384 Pompton Ave. Cedar Grove NJ 07009 (973) 256-3422 F:(973) 256-6171 Map
Omni Components Corp. 46 River Rd. Hudson, NH 03051 (603) 882-4467 F: 603 882-5995 Map
Omnimetics Precision Machining 13389 Murphy Road Stafford, TX 77477 (281) 499-6528 F : (281) 499-6520 Map
Oneda Corporation 4000 Oneda Drive, Columbus, GA 31907 (706) 569-7030 F: (706) 561-8596
Orange County Machining, Inc.1404 S. Ritchey Unit C - Santa Ana CA. 92705 (714) 667-6040 Map
Orange County Metal Cutting 1260 Simpson Circle Anaheim CA 92806 (714) 991-9080
Orbital Machining 1990 Deer Valley Dr. Idaho Falls, ID 83401 (866) 855-2601
Orchid International 94 Belinda Pkwy Mount Juliet, TN 37122-3600 (615) 754-6600 F: (615) 754-6606
Orion Mfg., Inc., 480 Apple Tree Dr. Ionia, MI 48846-8512 (616) 527-5994 F: (616) 527-9217 / (866)662-7928
Ormond, LLC 4718 B Street NW, Suite 104 Auburn, WA 98001 (253) 852-1298 or 253-854-0796 F: 253-852-6940
Ostec Precision Mfg., Llc. P.O. Box 420 Rockland, MA 02370 (781) 871-6644
Ottawa Corporation 17365 Hayes Rd. Grand Haven, MI 49417 616-842-4690 Map
Overton & Sons Tool & Die Co. Inc - Mooresville, IN (317) 831-4542
Overton & Sons Tool & Die Co. Inc - Shawnee, OK (405) 275-4597
Overton Industries - Overton & Sons Tool & Die Co. 1250 Old State Rd 67 South Mooresville, IN 46158 (317) 831-4542
Overton Industries - Overton & Sons Tool & Die Co. 9 Jonco Road Shawnee, OK 74804 (405) 275-4597
Overton Industries - Overton Carbide Tool & Engineering 2155 McClain Drive Franklin, IN 46131 (317) 736-7700
Overton Industries - Overton Mold Company, Inc. 1248 Old State Road 67 South Mooresville, IN 46158 (317) 831-959