Short answer
DENUE lists 481 auto-parts and metal fabrication plants with 11 or more staff in Guanajuato: 210 auto parts and 271 metal fabrication. 264 have 51 or more staff, and 141 match an IMMEX program on exact name and postal code. The median straight-line distance to the Laredo crossing is 767 km.
Key facts
- INEGI state code
- 11
- Municipalities with plants
- 30
- IMMEX programs registered in the state
- 375 (August 2026 directory)
The numbers
| Group | Plants |
|---|---|
| Auto parts (SCIAN 3363), 11+ staff | 210 |
| Metal fabrication (SCIAN 332), 11+ staff | 271 |
| With 51 or more staff | 264 |
| With an exact IMMEX match (name and postal code) | 141 (29% of plants) |
| Staff band | Plants |
|---|---|
| 11 to 30 | 173 |
| 31 to 50 | 44 |
| 51 to 100 | 44 |
| 101 to 250 | 78 |
| 251 or more | 142 |
What Guanajuato plants make
| Process | Plants, 11+ staff | With 51+ staff |
|---|---|---|
| CNC machining | 75 | 14 |
| Welded structures | 51 | 9 |
| Wire harnesses and electrical parts | 48 | 44 |
| Engine and powertrain parts | 38 | 34 |
| Stamping and forging | 37 | 26 |
| Seating and interior trim | 37 | 29 |
| Coating and plating | 23 | 14 |
| Steering and suspension parts | 15 | 11 |
| Wire forms and springs | 12 | 5 |
| Brake parts | 10 | 10 |
Where the plants are
Plants in Guanajuato sit in 30 municipalities. The largest clusters are below.
| Municipality | Plants |
|---|---|
| León | 130 |
| Silao de la Victoria | 84 |
| Celaya | 71 |
| Irapuato | 64 |
| Apaseo el Grande | 41 |
| San José Iturbide | 12 |
| San Miguel de Allende | 11 |
| Salamanca | 10 |
Distance to the border
Straight-line distance from a plant in Guanajuato to the World Trade International Bridge at Laredo runs from 673 to 850 km, with a median of 767 km. Road distance is longer, and other crossings may suit your freight.
Before you approach a plant
A DENUE listing shows that an establishment exists. Check its IMMEX status and the SAT 69-B list before you book a visit; the verification guide has the steps, and what Testigo checks shows the record you should end up with.
Frequently asked questions
How many auto parts plants are in Guanajuato?
INEGI’s DENUE lists 210 auto-parts plants with 11 or more staff in Guanajuato, plus 271 metal fabrication plants. Of the 481 together, 264 have 51 or more staff. Testigo counted these from INEGI’s bulk files on 25 September 2026.
Which cities in Guanajuato have the most plants?
In DENUE, León (130), Silao de la Victoria (84), Celaya (71) have the most plants among the 30 municipalities with auto-parts or metal fabrication plants of 11 or more staff. Counts are establishments in INEGI’s directory as of 25 September 2026.
How far is Guanajuato from the US border?
Straight-line distance from plants in Guanajuato to the Laredo crossing runs from 673 to 850 km, median 767 km. Road distance is longer. Testigo measures to Laredo because most of its pilot buyers cross there; other crossings are closer for some plants.