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Manufacturing & wholesale in O'fallon, MO

26 manufacturing & wholesale listed in O'fallon, Missouri. 26 with a phone number and 25 with a website.

O'fallon accounts for 0.6% of the manufacturing & wholesale listed in Missouri.

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Quick answer

O'fallon, MO has 26 manufacturing & wholesale listed on USA Business Search. 26 list a phone number and 25 list a website. The most listings are in ZIP codes 63366, 63368.

Updated October 2026
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How to choose a manufacturer in O'fallon

  • Ask for lead times and minimum order sizes up front.
  • Request a written quote with shipping and handling included.
  • Ask for references from customers in your industry.

Check the business: confirm a company's registration with the state in our Missouri business lookup guide, and licensed trades in the contractor license lookup guide.

Common questions

How many manufacturing & wholesale are listed in O'fallon, Missouri?

USA Business Search shows 26 manufacturing & wholesale in O'fallon. 26 list a phone number and 25 list a website.

Which ZIP codes do these listings cover?

They include ZIP codes 63366, 63368.

How do I choose a manufacturer in O'fallon?

Ask for lead times and minimum order sizes up front. Request a written quote with shipping and handling included. Ask for references from customers in your industry. Check the license or registration through the Missouri business lookup guide.

How do I add or fix a listing?

Listings are free. Use Add your business, or the Claim or fix link on any listing.

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