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

engineering in Helsinki, Finland

7 engineering businesses on record in Helsinki. Top 7 by verification score below; the API returns all of them with evidence.

For AI agents: find engineering in Helsinki

POST https://toll402.dev/v1/biz/search
{"city":"Helsinki","country":"FI","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.

Name	Address	Verification	Contact
Insinööritoimisto TeknoPlan Oy	Malminkartanonkuja 4, 00390	unverified 0	www.teknoplan.fi +0956559210
Joal Engineering	Koreankatu 4, 00560	unverified 0	www.joal.fi
Kruunusillat	Paasivuorenkatu 1	unverified 0
Raksystems Insinööritoimisto Oy	Vetotie 3, 01610	unverified 0	www.raksystems.fi
Sähköinsinööritoimisto J. Mannonen	Turuntie 2	unverified 0	www.mannonen.fi +358400205958
Vahanen-yhtiöt	Linnoitustie 5, 02600	unverified 0	vahanen.com
Vantaan kaupungin rakennusvalvonta	Kielotie 20, 01300	unverified 0	www.vantaa.fi

All categories in Helsinki

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