engineering in Köln, Germany
11 engineering businesses on record in Köln. Top 10 by verification score below. The API returns all 11 with evidence. Full address, phone, website, WhatsApp, email and booking links come with the API ($0.005 per search).
For AI agents: find engineering in Köln
POST https://toll402.dev/v1/biz/search
{"city":"Köln","country":"DE","category":"engineering","limit":20}Then POST /v1/biz/verify {name, city} to score any specific business, or /v1/biz/details for a live-enriched profile. Paid per call via x402 (USDC on Base) or with a prepaid-credits key (x-toll402-key, card at /credits); charged only on success. Start at /llms.txt or connect the MCP server:
npx -y toll402-mcp · remote https://toll402.dev/mcp.| Name | Area | Verification | Contact |
|---|---|---|---|
| marloth GmbH | CP 50677 | verified 80 | via API |
| Mineralienfachhandel Dr. Ahmed | verified 75 | via API | |
| Amberg Engineering | CP 50668 | corroborated 65 | via API |
| H+P Ingenieure GmbH (NL Köln) | CP 50935 | corroborated 65 | via API |
| enagen | CP 50827 | corroborated 65 | via API |
| INSIPLAN GmbH | corroborated 55 | via API | |
| Ingenieurbüro Osterhammel GmbH | CP 50937 | corroborated 50 | via API |
| Ingenieurbüro Michael Wester | listed 45 | via API | |
| Rolf Lipinski | CP 51105 | listed 30 | via API |
| Roth | CP 51375 | listed 25 | via API |