Welcome to Engineering Parts & Supplier Directory, your comprehensive resource for sourcing mechanical, electrical, materials, and prototyping services. Whether you’re designing a new prototype, stocking a maintenance workshop, or specifying raw materials, here is the list of most trusted distributors and manufacturers in one place.
✦ United States
⚙️ Mechanical & Industrial Hardware
- McMaster-Carr
- Fastenal
- MSC Industrial Supply
- Grainger
- Global Industrial
- Zoro
- Motion Industries
- Bearing Headquarters
- Misumi USA
- Protolabs – CNC Machining
🔌 Electronics & Electrical Components
- DigiKey
- Mouser Electronics
- Newark (element14)
- Arrow Electronics
- RS Components
- Allied Electronics & Automation
- TTI, Inc.
- Avnet
- Jameco Electronics
- Lafayette Electronic Supply
- SparkFun Electronics
- Adafruit Industries
- All Electronics Corp.
🧱 Metals & Plastics (Raw Materials)
- Speedy Metals
- Online Metals
- MetalsDepot
- Tap Plastics
- Meyer Plastics
- Alro Steel
- Industrial Metal Supply
🧪 Prototyping & Additive Manufacturing
🛠️ Tools & Instrumentation
🛒 Miscellaneous & General Retail
✦ India
⚙️ Industrial & Mechanical Hardware
🔌 Electronics & Electrical Components
🧪 Prototyping & Additive Manufacturing
🛒 Miscellaneous & General Retail / Marketplaces
If you know of any other reputable vendors or suppliers, please leave a comment below and let us know!