TL;DR
Find manufacturers by industry code and region using Census counts, supplier directories, trade associations and import records. Then reach the plant or maintenance manager who owns your category before procurement gets involved.
Find manufacturers with ManyPIManufacturers buy industrial supplies, equipment, maintenance services, software, safety gear, packaging, logistics and staffing. They're also harder to find online than most businesses, because plenty of small and mid-sized manufacturers have plain websites, little marketing and no presence in the usual sales databases. The good news is that public data and industry directories fill most of the gap.
Know how many to expect
Manufacturing covers NAICS codes 31 to 33. The Census Bureau's County Business Patterns shows how many establishments there are for each code by county, and by ZIP code. It doesn't name them, but it tells you what a complete list for your region and sub-industry should look like. If the Census shows 120 plastics manufacturers in your area and your list has 40, keep looking.
Where to find them
Source | What it gives you | Notes |
|---|---|---|
Supplier directories such as Thomasnet | Manufacturers by capability, product and location | Built for buyers sourcing suppliers, which makes it a good list for selling to them too |
Trade associations | Member lists by sub-industry | Most manufacturing sectors have one, and many publish directories |
Manufacturing Extension Partnership centres | Regional programmes that work with small manufacturers | NIST's MEP National Network has a centre in every state, with events and partner lists |
Trade show exhibitor lists | Manufacturers actively selling and investing | Public on show websites |
US import records | Manufacturers importing components or materials | Sites built on customs data, such as ImportYeti, show who receives shipments |
Company websites | Capabilities, certifications, plant locations | Certifications like ISO 9001 hint at size and process maturity |
Who to contact
Procurement isn't always the right door. In manufacturing, the person who feels the problem usually starts the purchase:
Role | What they care about | Good fit for |
|---|---|---|
Plant manager | Output, downtime, cost per unit | Anything that affects the whole plant |
Operations or production manager | Throughput and scheduling | Automation, software, process improvement |
Maintenance manager | Uptime, repairs, spare parts | Maintenance services, parts, monitoring |
Quality manager | Defects, audits, certifications | Inspection, testing, quality software |
EHS (environment, health and safety) manager | Compliance and incidents | Safety equipment, training, compliance tools |
Purchasing or procurement | Price, terms, supplier approval | Recurring supplies, and the final paperwork |
For a first conversation, the manager who owns the problem is usually more open than purchasing, who'll come in later to approve you as a supplier.
The manager who owns the problem is usually the right first conversation. Purchasing comes in later.
Signals worth acting on
Hiring for operations or maintenance roles. New capacity or a struggling team.
Expansion news. New lines, new plants, new shifts.
New certifications. A company getting certified is investing in process.
Exhibiting at trade shows. They're growing and spending on it.
What to say
Manufacturing buyers distrust vague promises. Talk about their process in their terms:
Hi [Name], I saw [company] is [specific signal: expanding its moulding line / hiring two maintenance technicians]. We work with [type of manufacturer] on [what you do], mainly [the problem you solve, in their words]. [A proof point you can back up.] Would it be worth a short call, or a visit to the plant?
Offering a site visit is normal in this industry, and often more welcome than a video call.
Doing it with ManyPI
Disclosure: ManyPI is our product.
You can describe the manufacturers you want in one sentence, for example "injection moulding manufacturers in Ohio and Michigan with 50 to 500 employees, with the plant manager's email", and the agent searches the live web, including company sites, directories, job boards and news, plus a database of over 600 million contacts. Every email is checked before sending, and sequences go out from your own inbox and stop on reply. The lead generation page covers the setup, and our guide to finding companies that are hiring goes deeper on hiring signals.
A manufacturer search typed into the ManyPI agent.
Expect long cycles. A manufacturer that likes you may still need a trial, a supplier approval and a budget cycle before the first order. Track them in your CRM and keep in touch, rather than dropping them after a quiet month.
Written by
Ole Mai
Founder / ManyPI