Search suppliers
Search by product, service, or company name. Add a state or province to narrow the results.
Search products, services, and manufacturers
Browse suppliers
Tell us what you need. We’ll connect you with suppliers.
Request a Quote
Manufacturers A–Z
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Category index
Industrial Categories Industries
Featured categories
Industrial Categories A–Z
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Featured guides
Industrial Manufacturing Guides
Resources
Advertise with IQS
Put your company in front of engineers and buyers who are researching suppliers in your category. Serving manufacturers since 2000.
For Manufacturers Call 616.285.3129
More for manufacturers

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, 9:46 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 121–150 of 366

Companies starting with O, page 5 of 13
Manufacturer	Location	Contact	Actions
Oliver Heatlthcare Packaging	LocationGrand Rapids, MI	Use Request a Quote	View Manufacturer
Oliver Manufacturing Company, Inc. Listed in 8 categories.	LocationLa Junta, CO	888-254-7813	View Manufacturer
Oliver Steel Plate	LocationTwinsburg, OH	Use Request a Quote	View Manufacturer
Olsen Chain & Cable, Inc. Listed in 33 categories.	LocationEdina, MN	800-328-1906	View Manufacturer
Olsen Mfg Co, Inc	LocationRoyal Oak, MI	Use Request a Quote	View Manufacturer
Olsen Tool & Plastics	LocationChaska, MN	Use Request a Quote	View Manufacturer
Olson Aluminum Castings	LocationRockford, IL	Use Request a Quote	View Manufacturer
Olson Industries	LocationBurgettstown, PA	Use Request a Quote	View Manufacturer
Olson International LTD	LocationLombard, IL	Use Request a Quote	View Manufacturer
Olsun Electrics Corporation	LocationRichmond, IL	Use Request a Quote	View Manufacturer
Olympia Steel Buildings Systems Listed in 15 categories.	LocationMcKees Rocks, PA	888-449-7756	View Manufacturer
Olympic EDM & Waterjet Inc.	LocationButler, NJ	Use Request a Quote	View Manufacturer
Olympic Fabricating	LocationCommerce, CA	Use Request a Quote	View Manufacturer
Olympic Foundry Inc.	LocationSeattle, WA	Use Request a Quote	View Manufacturer
Olympic Steel, Inc. Listed in 13 categories.	LocationHighland Hills, OH	216-292-3800	View Manufacturer
Olympic Wire & Equipment, Inc.	LocationCOSTA MESA, CA	Use Request a Quote	View Manufacturer
Olympus Controls Corporation	LocationTualatin, OR	Use Request a Quote	View Manufacturer
Olympus NDT	LocationWaltham, MA	Use Request a Quote	View Manufacturer
Omachron Plastics Inc.	LocationHampton, ON	Use Request a Quote	View Manufacturer
OMAX ® Corporation	LocationKent, WA	Use Request a Quote	View Manufacturer
OMCO Listed in 15 categories.	LocationWickliffe, OH	440-944-2100	View Manufacturer
OMCO Midwest	LocationPierceton, IN	Use Request a Quote	View Manufacturer
OMCO West	LocationPhoenix, AZ	Use Request a Quote	View Manufacturer
Omega Engineering, Inc.	LocationSunbury, OH	Use Request a Quote	View Manufacturer
Omega Heater Company	LocationRonkonkoma, NY	Use Request a Quote	View Manufacturer
Omega Industrial Products	LocationSaukville, WI	Use Request a Quote	View Manufacturer
Omega Leads Listed in 1 category.	LocationSanta Monica, CA	310-394-6786	View Manufacturer
Omega Morgan	LocationHillsboro, OR	Use Request a Quote	View Manufacturer
Omega Piezo Technology, Inc. Listed in 17 categories.	LocationState College, PA	814 861-4160	View Manufacturer
Omega Plastics Listed in 5 categories.	LocationKnoxville, TN	865-690-2211	View Manufacturer