Toll402 · Business directory · Tools · llms.txt · MCP

engineering in Frankfurt am Main, Germany

8 engineering businesses on record in Frankfurt am Main. Top 8 by verification score below; the API returns all of them with evidence.

For AI agents: find engineering in Frankfurt am Main
POST https://toll402.dev/v1/biz/search
{"city":"Frankfurt am Main","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. Free trial without a wallet; paid calls via x402 (USDC on Base). Start at /llms.txt or connect the MCP server: npx -y toll402-mcp · remote https://toll402.dev/mcp.
NameAddressVerificationContact
DenktMit e.G.An der Herrenmühle 7-9, 61440unverified 0denktmit.de +4961958098889
Ingenieurbüro für Energieoptimierung Dipl. Ing. Jürgen MaurerAndreasstraße 13, 65929unverified 0maurer-energieoptimierung.de +4917662187250
PMK Mess- und KommunikationstechnikKönigsteiner Straße 98unverified 0www.pmk.de
Quattronunverified 0www.quattron.com +496965007994
Steuernagel Ingenieureunverified 0steuernagel-ing.de
Tractebel GmbHFriedberger Straße 173, 61118unverified 0tractebel-engie.com
W. Schmidt-Diehler GmbHFriedrich-Uhde-Straße, 65812unverified 0
jmquadrat ingenieureWeidengasse 4, 61440unverified 0jmquadrat.de +4915792628500 · hallo@jmquadrat.de

All categories in Frankfurt am Main

Toll402 is a pay-per-call tool gateway for AI agents (x402, USDC on Base, no API keys). Data aggregates dated public evidence; "unverified" means unknown, not fake. Referral bounty · Get listed