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# NAICS code 332710: Machine Shops

The companies classified under NAICS 332710, where they are based, how big they are and how the code maps to SIC.

By Enrich.chat Editorial. Updated October 22, 2026.

**Short answer:** NAICS 332710 is the code for Machine Shops, in sector 31-33: Manufacturing. The companies counted under it are mostly very small: 67% have 50 or fewer employees, and 98% are headquartered in the United States.

## What is NAICS 332710?

NAICS 332710 is the code for Machine Shops. It belongs to sector 31-33: Manufacturing. NAICS, the North American Industry Classification System, is the standard U.S. government agencies use to sort businesses by what they mainly do, and each digit narrows the category. Most of the companies counted also carry SIC 3599, Manufacturing industrial machinery, in the older SIC system (93%).

- 67% of the companies counted have 50 or fewer employees, and the middle one is in the 11 to 50 range.
- The largest group is headquartered in the United States (98%). Within the US, California is the biggest state (13%).
- Most were founded in the 1990s (21%), then the 1980s (20%).

**Figure: How NAICS 332710 is built.** The code 332710 split into its parts: sector 33, then subsector, industry group, NAICS industry and U.S. industry.

*The six digits of NAICS 332710. Each digit narrows the category.*

## Which companies are classified under NAICS 332710?

The biggest by headcount range include Blm Group, Komax, Robinson, General Tool and G.S. Precision. Names link to a company profile where we have one.

| Company | Headquarters | Employees |
| --- | --- | --- |
| Blm Group | Cantù, CO | 1,001 to 5,000 |
| Komax | Buffalo Grove, IL | 1,001 to 5,000 |
| Robinson | De Pere, WI | 501 to 1,000 |
| General Tool | Cincinnati, OH | 501 to 1,000 |
| G.S. Precision | Brattleboro, VT | 501 to 1,000 |
| Kurt Manufacturing | Minneapolis, MN | 201 to 500 |
| Mcelroy Manufacturing | Tulsa, OK | 201 to 500 |
| Prince Industries | Carol Stream, IL | 201 to 500 |
| Peko Precision Products | Rochester, NY | 201 to 500 |
| Esteves Group | Decatur, IN | 201 to 500 |
| Keller Technology | Tonawanda, NY | 201 to 500 |
| Trace-A-Matic | Brookfield, WI | 201 to 500 |
| Multisource Manufacturing | Minnetonka, MN | 201 to 500 |
| Gmt | Waverly, IA | 201 to 500 |
| Superior Die Set | Oak Creek, WI | 201 to 500 |
| Beitzel | Grantsville, MD | 201 to 500 |
| Swiss Automation | Barrington, IL | 201 to 500 |
| Btm | Marysville, MI | 201 to 500 |
| Standby Screw Machine Products | Berea, OH | 201 to 500 |
| Athena Manufacturing | Austin, TX | 201 to 500 |
| Weldall Mfg | Waukesha, WI | 201 to 500 |
| Pioneer Products | Racine, WI | 201 to 500 |
| Weldfit | Houston, TX | 51 to 200 |
| Thermwood | Dale, IN | 51 to 200 |
| Thermatool | East Haven, CT | 51 to 200 |

The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile.

## Where are NAICS 332710 companies based?

Within the United States, California (13%), Texas (8%) and Ohio (7%) lead.

**Figure: US headquarters of companies in NAICS 332710, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 332710 headquartered in each state. The largest are California 13%, Texas 8%, Ohio 7%.

*Share of counted US companies in NAICS 332710 by headquarters state. The three largest states are outlined.*

## How big are the companies counted for NAICS 332710?

67% of them have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted.

**Figure: Size of companies in NAICS 332710.** Seven columns for the share of counted companies in NAICS 332710 in each employee range: 11 to 50 67%, 51 to 200 28%, 201 to 500 4%, 501 to 1,000 1%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%.

*Share of counted companies in NAICS 332710 in each employee range.*

## How old are NAICS 332710 companies?

Most were founded in the 1990s (21%), then the 1980s (20%).

**Figure: When companies in NAICS 332710 were founded.** Eight columns for the share of counted companies in NAICS 332710 founded in each era: Before 1960 14%, 1960s 10%, 1970s 17%, 1980s 20%, 1990s 21%, 2000s 11%, 2010s 6%, 2020s 0%.

*Share of counted companies in NAICS 332710 by the era they were founded in, for the ones that list a founding year.*

## How NAICS 332710 compares

- 6% were founded in 2010 or later, against 30% across all NAICS codes on this site.
- Wisconsin holds 7% of the US companies here, against 2% across all NAICS codes on this site.

## How do NAICS 332710 companies describe themselves?

A code is assigned by classification, and a company does not choose its own, so the label a company uses for itself can differ. The most common labels here are Machinery Manufacturing (47%), Industrial Machinery Manufacturing (13%) and Aviation and Aerospace Component Manufacturing (12%).

**Figure: How companies in NAICS 332710 describe themselves.** Bars for the share of counted companies in NAICS 332710 that give each industry on their public profile: Machinery Manufacturing 47%, Industrial Machinery Manufacturing 13%, Aviation and Aerospace Component Manufacturing 12%, Manufacturing 9%, Oil and Gas 5%.

*Share of counted companies in NAICS 332710 by the industry they list on their public profile.*

## NAICS 332710 and the SIC system

NAICS replaced SIC in 1997, but the two do not line up one to one: companies filed under one NAICS code can carry several SIC codes. These are the ones seen most.

| Code | Title | Share of counted |
| --- | --- | --- |
| SIC 3599 | Manufacturing industrial machinery | 93% |

## Where NAICS codes come from

NAICS is maintained by the U.S. Census Bureau with Canada and Mexico and revised every five years; the current edition is NAICS 2022. To check exactly what a code includes, search the [official NAICS index](https://www.census.gov/naics/) or read the Census Bureau's [guide to understanding NAICS](https://www.census.gov/programs-surveys/economic-census/year/2022/guidance/understanding-naics.html). Pick a code by what a company mostly does, not by who it sells to.

## How do you reach the people at NAICS 332710 companies?

The people to talk to are usually operations, supply chain and procurement leaders. You can build the list from this code in three prompts to your AI agent.

### 1. Count them (free)

Counting who matches never uses credits.

```text
Use www.enrich.chat to count the companies with NAICS code 332710 (Machine Shops)
```

### 2. Find the people (5 credits per person)

Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included.

```text
Use www.enrich.chat to find the operations, supply chain and procurement leaders at companies with NAICS code 332710, with their titles
```

### 3. Get their work emails (10 credits each)

An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown.

```text
Use www.enrich.chat to find the work emails for these people and tell me which ones are verified
```

## More to explore

Codes next to it:

[NAICS 332721: Precision Turned Product Manufacturing](https://enrich.chat/naics/332721/)

Others in sector 31-33:

[NAICS 325412: Pharmaceutical Preparation Manufacturing](https://enrich.chat/naics/325412/)[NAICS 326199: All Other Plastics Product Manufacturing](https://enrich.chat/naics/326199/)[NAICS 339112: Surgical and Medical Instrument](https://enrich.chat/naics/339112/)[NAICS 336390: Other Motor Vehicle Parts Manufacturing](https://enrich.chat/naics/336390/)[NAICS 312130: Wineries](https://enrich.chat/naics/312130/)[NAICS 333111: Farm Machinery and Equipment Manufacturing](https://enrich.chat/naics/333111/)[NAICS 334413: Semiconductor and Related Device](https://enrich.chat/naics/334413/)[NAICS 339920: Sporting and Athletic Goods Manufacturing](https://enrich.chat/naics/339920/)

## Frequently asked questions

### What is NAICS code 332710?

NAICS 332710 is the code for Machine Shops, in sector 31-33: Manufacturing.

### What is the SIC code for NAICS 332710 (Machine Shops)?

93% of the companies counted carry SIC 3599 (Manufacturing industrial machinery), but the two systems do not map one to one.

### Which companies are classified under NAICS 332710?

The biggest by headcount range include Blm Group, Komax, Robinson, General Tool and G.S. Precision. The page lists 25 with links to their profiles where we have them.

### Where are NAICS 332710 companies based?

The largest groups are headquartered in the United States (98%) and Canada (2%).

### How big are the companies in NAICS 332710?

67% have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted.

### How do I find a company's NAICS code?

Search the official NAICS index at the U.S. Census Bureau for the code that matches what the company mostly does. Public companies in the US also list a SIC code in their SEC EDGAR profile.

## Try this prompt

Find the people at NAICS 332710 companies

```text
Use www.enrich.chat to find the operations, supply chain and procurement leaders at companies with NAICS code 332710, with titles and verified work emails
```

## Related

- [Companies using a technology](https://enrich.chat/companies-using/)
- [NAICS 332721](https://enrich.chat/naics/332721/)
- [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)
