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366 companies under O

Source: IQS Directory database snapshotOur Methodology

Companies under O: Active companies whose names start with O, not counting companies marked out of business.
As of: When this page was generated from the database. Pages regenerate at most once an hour.
Counted: Oct 30, 2026, 11:13 PM ET

Manufacturers and Suppliers: O

Companies whose names start with O, in alphabetical order. Select companies to request quotes from several at once, or open one for its profile, product categories, and contact details.

Showing 301–330 of 366

Companies starting with O, page 11 of 13
Manufacturer	Location	Contact	Actions
ORRCO	LocationGreensburg, PA	Use Request a Quote	View Manufacturer
Orr & Orr Inc. Listed in 7 categories.	LocationBedford Park, IL	708-496-9800	View Manufacturer
Ortech Advanced Ceramics Listed in 17 categories.	LocationSacramento, CA	916-549-9696	View Manufacturer
Orthman Conveying Systems	LocationLexington, NE	Use Request a Quote	View Manufacturer
Ortman Fluid Power Listed in 20 categories.	LocationQuincy, IL	844-759-4922	View Manufacturer
Orttech Listed in 11 categories.	LocationSolon, OH	440-498-7458	View Manufacturer
Osage Piping & Fabricating, Inc	LocationHighspire, PA	Use Request a Quote	View Manufacturer
Osaka Vacuum U.S.A., Inc. Listed in 13 categories.	LocationFremont, CA	510-770-0100	View Manufacturer
Osborne Industries, Inc.	LocationOsborne, KS	Use Request a Quote	View Manufacturer
Osborne Transformer Corporation	LocationFraser, MI	Use Request a Quote	View Manufacturer
Osborn International Listed in 29 categories.	LocationCleveland, OH	800-720-3358	View Manufacturer
Osborn Products, Inc.	LocationPhoenix, AZ	Use Request a Quote	View Manufacturer
OSCO Industries, Inc.	LocationPortsmouth, OH	Use Request a Quote	View Manufacturer
OSH Cut	LocationSpanish Fork, UT	Use Request a Quote	View Manufacturer
OSI	LocationGaithersburg, MD	Use Request a Quote	View Manufacturer
OSI Plastics	LocationColumbus, OH	Use Request a Quote	View Manufacturer
OSLO Switch, Inc.	LocationCheshire, CT	Use Request a Quote	View Manufacturer
Osram Sylvania Precision Materials & Components	LocationWilmington, MA	Use Request a Quote	View Manufacturer
OSRAM SYLVANIA Process Heat Listed in 18 categories.	LocationHillsboro, NH	603-464-5533	View Manufacturer
O & S Research, Inc.	LocationRiverton, NJ	Use Request a Quote	View Manufacturer
OTC Daihen	LocationTipp City, OH	Use Request a Quote	View Manufacturer
OTC Industrial Technologies Listed in 46 categories.	LocationColumbus, OH	800-837-6827	View Manufacturer
OTCO, Inc.	LocationFond Du Lac, WI	Use Request a Quote	View Manufacturer
Otec USA Inc. Listed in 15 categories.	LocationNorth Kingstown, RI	Use Request a Quote	View Manufacturer
O-T Marking Systems	LocationChillicothe, OH	Use Request a Quote	View Manufacturer
OTP Industrial Solutions	LocationColumbus, OH	Use Request a Quote	View Manufacturer
Otsego Crane & Hoist Company	LocationOtsego, MI	Use Request a Quote	View Manufacturer
Ottenweller Company, Inc.	LocationFort Wayne, IN	Use Request a Quote	View Manufacturer
Ottinger Machine Company Listed in 12 categories.	LocationPhoenixville, PA	610-933-2101	View Manufacturer
OTTO Engineering, Inc. Listed in 13 categories.	LocationCarpentersville, IL	847-428-7171	View Manufacturer