SICCODE.comSIC LookupD Manufacturing33 Primary Metal Industries339 Miscellaneous Primary Metal ProductsSIC 3398
SIC Code 3398 – Metal Heat Treating
Official 4-digit SIC code Source: OSHA SIC Manual Updated Nov 6, 2026
At a glance
Companies
More specific segments
Related NAICS
Which businesses belong in SIC 3398?
Usually classified in SIC 3398
- Annealing of metal for the trade
- Brazing (hardening) metal for the trade
- Burning metal for the trade
- Hardening of metal for the trade
- Heat treating of metal for the trade
Official definition for SIC 3398 - Metal Heat Treating
Establishments primarily engaged in heat treating of metal for the trade.
Source: OSHA SIC Manual
Companies in SIC 3398 - Metal Heat Treating
Get a business list of Metal Heat Treating companies for sales, marketing and research, or update your existing records with SIC codes and current company data.
Showing: United States · All states — counts update when you change the filter
See which Metal Heat Treating you could reach
Get a free sample of matching companies, with locations, contacts, and more.
✓ Free sample · ✓ Pay only if you order · ✓ No sales call required
Short request form · takes about 30 seconds
What your sample looks like
Preview · details masked| Company | Contact & title | Website | Phone | Employees |
|---|---|---|---|---|
| Fisher Barton Group Watertown, WI | ||||
| Bodycote Thermal Processing Dallas, TX | ||||
| Franklin Brazing And Metal Treating Lebanon, OH |
-
Fisher Barton Group · Watertown, WI
Contact Website Phone Employees -
Bodycote Thermal Processing · Dallas, TX
Contact Website Phone Employees
- Company
- Address
- Phone
- Website
- Contact name & title
- Business email
- Employees
- Sales volume
- SIC & NAICS
Includes: company, address, phone, website, contacts, emails, employees, sales volume, SIC & NAICS.
✓ Website-reviewed data included with U.S. lists · How we review →
Need several industries? Build a multi-industry list →
Already have a customer or prospect list?
What's included in a business list? Data fields, contacts, classifications, and delivery options.
A delivered list can include company name, address, phone, website, NAICS and SIC codes, employee size, and sales volume. Contact name, title, and business email are available on U.S. records when we have them. Field availability varies by record, and Canadian deliveries do not include business email addresses.
How are these company counts verified? Data sources, verification process, and count methodology.
Counts are SICCODE.com business locations available for purchase, not government census totals. Headquarters and branches are counted separately, and each location is classified by its primary SIC industry. Counts refresh when you change the country or state filter on this page.
Key facts for SIC 3398 - Metal Heat Treating
- SIC code
- 3398
- Official title
- Metal Heat Treating
- Scope
- OSHA SIC Manual, establishment-level
- Division
- D Manufacturing (20–39)
- Major group
- 33 Primary Metal Industries
- Industry group
- 339 Miscellaneous Primary Metal Products
- Official source
- OSHA SIC Manual
- Where SIC is used
- Used on EPA permit forms and in OSHA inspection data, as well as SEC filings and business lists. See which agencies still use SIC codes →
SIC Classification Hierarchy
Four official SIC levels, plus a more detailed commercial classification level.
-
Industry · Official 4-Digit 3398 Metal Heat Treating
One example classification path is shown. Other branches may exist. The 6-digit Marketing Level is a commercial extension, not an official SIC classification.
Other codes in Industry Group 339: 3399 · Primary Metal Products, Not Elsewhere Classified
More specific segments in SIC 3398
Segments let you target only the companies you need. Add one or more to your list to get pricing and a free sample.
379 U.S. companies across 4 segments · Segment codes are 6-digit marketing categories that extend the official 4-digit SIC code. They are not official SIC codes.
SIC 3398 is in your list, which already includes all 4 segments.
| Code | Segment | Companies | Build your list |
|---|---|---|---|
| 3398-01 | Heat Treating Metal | 318 318 companies | |
| 3398-02 | Shot Peening | 21 21 companies | |
| 3398-03 | Lead Burning | 1 1 company | |
| 3398-04 | Cryogenic Processing | 39 39 companies |
Combine segments for a more targeted list. Free sample before you buy.
Example companies in SIC 3398
See how SICCODE.com evaluates businesses using documented activities and official SIC definitions. Select a company to review its classification and the reasoning behind it.
356 verified U.S. companies
- Braddock Metallurgical Daytona Inc Daytona Beach, FL View classification →
- Metals Engineering Green Bay, WI View classification →
- Bluewater Thermal Solutions Greenville, SC View classification →
- P And L Grinding, LLC Youngstown, OH View classification →
- PCC Schlosser Redmond, OR View classification →
- Fabricated Tube Products Carthage, TN View classification →
- Meadville Forging Co Meadville, PA View classification →
- Aba Heat Treating Terryville, CT View classification →
NAICS and ISIC crosswalk for SIC 3398 - Metal Heat Treating
Correspondences in NAICS and ISIC for SIC 3398 - Metal Heat Treating. These mappings do not replace the official SIC definition.
| System | Code | Title |
|---|---|---|
| SIC This page | 3398 | Metal Heat Treating |
| NAICS | 332811 | Metal Heat Treating Metal Heat Treating |
| ISIC Rev. 4 | 2592 | Treatment And Coating Of Metals; Machining Treatment And Coating Of Metals; Machining |
Sources for SIC 3398
-
Official classification source U.S. Occupational Safety and Health Administration.
Standard Industrial Classification Manual (1987), SIC 3398. OSHA SIC Manual → -
SICCODE.com commercial data Company-record counts, coverage, and related commercial data are maintained by SICCODE.com. Methodology →
SICCODE.com is an independent publisher. Official SIC titles and definitions come from the OSHA SIC Manual; commercial database counts are SICCODE.com records.
Citations & Academic Recognition · 50+ documented references
About this classification
This page combines the official SIC definition with classification analysis, crosswalks, and SICCODE.com commercial data. Classifications are reviewed regularly by the SICCODE.com Industry Classification Team.