The Bajío census
1,363 plants, placed from the public record.
Auto parts and metal fabrication with 11 or more staff in four states. Read 25 Sep 2026.
1,363plants shown
0 matched IMMEX on name and postal code
Sector
Staff
IMMEX
Dots are real plant locations from DENUE. Names withheld. Distances to Laredo are straight-line.
By state
Where the plants are.
| State | Auto parts, 11+ | Auto parts, 51+ | 51+ with IMMEX | Metal, 11+ | Metal, 51+ | Metal with IMMEX |
|---|---|---|---|---|---|---|
| Aguascalientes | 86 | 76 | 49 | 109 | 18 | 4 |
| Guanajuato | 210 | 188 | 120 | 271 | 76 | 16 |
| Querétaro | 158 | 126 | 83 | 241 | 75 | 29 |
| San Luis Potosí | 107 | 96 | 66 | 181 | 51 | 12 |
| Total | 561 | 486 | 318 | 802 | 220 | 61 |
By process
How many plants can make your part.
- CNC machining 277 3
- Stamping 143 47
- Welded structures 137 3
- Other auto parts 109 73
- Architectural metalwork 99 2
- Wire harnesses and electrical 98 63
- Engine and powertrain parts 95 52
- Seating and interior trim 82 41
- Coating and plating 81 10
- Forging 48 6
- Steering and suspension 47 27
- Other metal products 39 3
- Brake parts 35 21
- Wire forms and springs 34 8
- Tanks and pressure vessels 22 2
- Fasteners 21 4
- Hardware and locks 12 1
- Hand tools 10 1
- Valves 9 5
- Light-gauge containers 7 2
- Bearings 6 3
Plants, 11+ staff51+ staff with an IMMEX match on name and postal code
Method
How the census was built.
- Plants. INEGI DENUE bulk files for states 01, 11, 22 and 24, downloaded 25 Sep 2026. SCIAN 3363 and 332, staff bands of 11 or more.
- IMMEX. SNICE directory, August 2026 edition, published 22 Sep 2026. A match counts here only on exact name and postal code.
- Distance. Straight-line to the World Trade Bridge, Laredo (OpenStreetMap). Median for the pilot set: 759 km. Road distance is longer.
- Outlines. CONABIO 2023 municipal boundaries via PhantomInsights/mexico-geojson, dissolved to states. Locator: Natural Earth.