Engineering activities for technical building equipment companies in Essen

Essen ·Currently listed companies in the Engineering activities for technical building equipment industry headquartered in Essen.

145 companies · 61–80 of 145

HESE Engineering GmbH GmbH · HRB 26406 Essen · 2014
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HK-Plan UG (haftungsbeschränkt) UG (haftungsbeschränkt) · HRB 32495 Essen · 2021
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HSM Solutions GmbH GmbH · HRB 25583 Essen · 2014
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HSSEfirst GmbH GmbH · HRB 32794 Essen · 2021
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HTG GmbH GmbH · HRB 30985 Essen · 2009
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Hützen Automation UG (haftungsbeschränkt) UG (haftungsbeschränkt) · HRB 25526 Essen · 2014
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IFA Ing.-Büro für Abfalltechnik Gesellschaft mit beschränkter Haftung GmbH · HRB 3695 Essen · 1978
5419ec4e69…
IKET Institut für Kälte-, Klima- und Energietechnik GmbH GmbH · HRB 9511 Essen · 1992
0157643450…
Ingenieurbüro für Kathodischen Korrosionsschutz GmbH GmbH · HRB 20931 Essen · 2008
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Ingenieurbüro Laudi GmbH GmbH · HRB 26222 Essen · 2015
7559538169…
Ingenieurbüro Mayer Rhein-Ruhr GmbH GmbH · HRB 34971 Essen · 2023
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Ingenieurbüro Paulus GmbH GmbH · HRB 5909 Essen · 1984
7992906317…
Ingenieurgemeinschaft IgH Gesellschaft für Ingenieurleistungen mbH GmbH · HRB 11500 Essen · 1995
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Ingenieurgesellschaft Dornemann & TGA-Essen GmbH & Co. KG GmbH & Co. KG · HRA 11834 Essen · 2024
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Ingenieurgesellschaft Striewisch mit beschränkter Haftung GmbH · HRB 1102 Essen · 1965
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Ingenieurgesellschaft Zeppenfeld mbH GmbH · HRB 9562 Essen · 1992
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InPro-Consult Gesellschaft zur Innovativen Prozess-Optimierung mbH GmbH · HRB 19653 Essen · 2007
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IOGIS Knobbe & Co oHG Ingenieurgesellschaft für optische und geophysikalische Inspektionssyteme für Bau, Industrie und Geotechnik OHG · HRA 6795 Essen · 1998
613ae55a40…
IPD Ingenieurpartner Dahler GmbH GmbH · HRB 28927 Essen · 2018
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IPE GmbH GmbH · HRB 16536 Essen · 2002
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All industries in Essen

Live API

GEThandelsregister.ai/api/v1/search-organizations

?limit=20

&skip=60

&filters={"city":"Essen","industry_code":"71.12.3","industry_scheme":"WZ2025"}

# pip install handelsregister
from handelsregister import Handelsregister

client = Handelsregister(api_key="YOUR_API_KEY")  # or set HANDELSREGISTER_API_KEY
page = client.search_organizations(
    filters={
        "city": "Essen",
        "industry_code": "71.12.3",
        "industry_scheme": "WZ2025"
    },
    limit=20,
    skip=60,
)
print(page["total"])
for item in page["results"]:
    print(item["name"], item["registration"]["register_number"])

// npm install handelsregister
import { Handelsregister } from 'handelsregister';

const client = new Handelsregister('YOUR_API_KEY'); // or set HANDELSREGISTER_API_KEY
const page = await client.searchOrganizations({
  filters: {
      "city": "Essen",
      "industry_code": "71.12.3",
      "industry_scheme": "WZ2025"
  },
  limit: 20,
  skip: 60,
});
console.log(page.total);
for (const item of page.results) {
  console.log(item.name, item.registration.register_number);
}

// npm install handelsregister
const { Handelsregister } = require('handelsregister');

const client = new Handelsregister(process.env.HANDELSREGISTER_API_KEY);
(async () => {
  const page = await client.searchOrganizations({
    filters: {
        "city": "Essen",
        "industry_code": "71.12.3",
        "industry_scheme": "WZ2025"
    },
    limit: 20,
    skip: 60,
  });
  console.log(page.total);
  for (const item of page.results) {
    console.log(item.name, item.registration.register_number);
  }
})();

curl 'https://handelsregister.ai/api/v1/search-organizations?limit=20&skip=60' \
  -H 'x-api-key: YOUR_API_KEY' \
  -G --data-urlencode 'filters={"city":"Essen","industry_code":"71.12.3","industry_scheme":"WZ2025"}'

{
    "results": [
        {
            "entity_id": "<32-char hex>",
            "name": "<string>",
            "registration": {
                "court": "<string>",
                "register_type": "<string>",
                "register_number": "<string>"
            },
            "address": {
                "house_number": "<string>",
                "street": "<string>",
                "postal_code": "<string>",
                "city": "<string>",
                "county": "<string>",
                "state": "<string>",
                "country": "<ISO country>",
                "coordinates": {
                    "latitude": "<float>",
                    "longitude": "<float>"
                }
            },
            "registration_date": "<ISO date>",
            "purpose": "<string>"
        }
    ],
    "total": "<int>",
    "meta": {
        "request_credit_cost": "<int>",
        "credits_remaining": "<int>"
    }
}

results[]

entity_id string

Stable 32-char hex identifier. Pass straight into /fetch-organization as `q`.

name string

Registered company name.

registration object

address object

Postal address with street, house_number, postal_code, city, county, state, country and coordinates (latitude/longitude).

registration_date date

Initial entry into the commercial register (ISO date).

purpose string

Stated business purpose (Unternehmensgegenstand).

top-level

total integer

Total result count for pagination.

meta.request_credit_cost integer

Credits actually charged for this call.

meta.credits_remaining integer

Account credit balance remaining after this call.

Location · Industry · Legal form · Full-text

Filters & master data — via search-organizations

City, industry, legal form, registration date: every argument combinable through the filters parameter. One REST endpoint, every German company.

Location & geo Filter by city, postal code, state and county through city, postal_code, state and county.
Industry (WZ2025) Industry segmentation via the official WZ2025 codes — industry_code combined with industry_scheme.
Legal form GmbH, AG, KG, OHG and more via legal_form_code.
Company size bs_company_size_category – small, medium, large based on balance-sheet totals.
Active status Restrict to active entries or include deleted companies via active.
Registration date Date ranges via registration_date_from and registration_date_to.
Full-text search Free-text query via the q parameter (min. 2 characters).
Pagination skip and limit (up to 30 results per call) for deep lists.
Master data per result entity_id, name, address, registration and registration_date – pass entity_id straight to /fetch-organization.

Run every filter live with an API key. Get an API key →

Code · AI-Agents · No-Code · Workflows

Drops into any stack

The search-organizations API speaks every mainstream client: REST, Python, Node, MCP for AI agents, n8n and webhook platforms.

REST API Simple GET request with the X-API-KEY header and JSON-encoded filters. Python requests, httpx or your favourite library — pass filters via json.dumps. Node.js fetch or axios with URLSearchParams. Works in edge, worker and browser runtimes. MCP Server Directly in Claude, Cursor or any MCP-aware AI client as the search_organizations tool. n8n Pre-built custom node for workflow automation — city, industry and size as filter inputs. Webhook Callable from Zapier, Make or any other webhook platform.

This list in your app

Grab an API key and filter every German company by city, industry, size and more — straight from your application. One REST endpoint, every result.

Get an API key

Filters & master data — via search-organizations

Drops into any stack

This list in your app

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