Construction of utility projects for fluids companies in Berlin

Berlin ·Currently listed companies in the Construction of utility projects for fluids industry headquartered in Berlin.

243 companies · 121–140 of 243

Ja & Ma Bau GmbH UG (haftungsbeschränkt) · HRB 247303 Charlottenburg (Berlin) (Berlin) · 2022
afe3b26f3e…
KA - ST Kabelmontagen & Tiefbau GmbH HRB 74459 Charlottenburg (Berlin) (Berlin) · 2004
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Ka Ga Wa Rohrleitungs- und Anlagenbau GmbH HRB 102254 Charlottenburg (Berlin) (Berlin) · 2006
8da1a2a4c1…
KaMu Bau GmbH HRB 241473 Charlottenburg (Berlin) (Berlin) · 2022
089e655de6…
Katro Tief- und Straßenbau GmbH HRB 283998 Charlottenburg (Berlin) (Berlin) · 2026
c87dc7754e…
KGU, Zweigniederlassung der Kanal Greulich Umwelttechnik Limited HRB 121978 Charlottenburg (Berlin) (Berlin) · 2009
e826c814af…
Khalaf Bau GmbH HRB 167001 Charlottenburg (Berlin) (Berlin) · 2015
7738bc9cc6…
KLEPA Hoch- und Tiefbau GmbH HRB 251826 Charlottenburg (Berlin) (Berlin) · 2023
110b334502…
Koluman Baudienstleistungen GmbH HRB 255741 Charlottenburg (Berlin) (Berlin) · 2023
1c7c7cadf1…
Kompaktia GmbH HRB 228991 Charlottenburg (Berlin) (Berlin) · 2021
b514be0a01…
Konstruktiva Bauausführungen GmbH HRB 244272 Charlottenburg (Berlin) (Berlin) · 2022
3eeda5d317…
KSB Bau GmbH HRB 268837 Charlottenburg (Berlin) (Berlin) · 2012
13b006c883…
KSB Berliner Kanalsanierung GmbH HRB 196840 Charlottenburg (Berlin) (Berlin) · 2018
15703d8b14…
L & S Leitungs- und Straßenbau GmbH HRB 216484 Charlottenburg (Berlin) (Berlin) · 2020
202b90b895…
Louis Lohde GmbH-Wasserversorgung HRB 17236 Charlottenburg (Berlin) (Berlin) · 2004
840967c96f…
LPL Europäische Bohrgesellschaft mbH GmbH · HRB 246862 Charlottenburg (Berlin) (Berlin) · 2022
03cc28da02…
LTG Leitungs- und Tiefbaugesellschaft Seelow mbH GmbH · HRB 206113 Charlottenburg (Berlin) (Berlin) · 1991
7d08a75afe…
LuKroNa Bau GmbH HRB 261628 Charlottenburg (Berlin) (Berlin) · 2024
40776cefc7…
LWL-Bau Service GmbH HRB 243190 Charlottenburg (Berlin) (Berlin) · 2022
618b246532…
M.A.I.N. Tiefbau, Rohrleitungsbau und Handels GmbH HRB 131062 Charlottenburg (Berlin) (Berlin) · 2006
a27ef995f2…

All industries in Berlin

Live API

GEThandelsregister.ai/api/v1/search-organizations

?limit=20

&skip=120

&filters={"city":"Berlin","industry_code":"42.21.0","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": "Berlin",
        "industry_code": "42.21.0",
        "industry_scheme": "WZ2025"
    },
    limit=20,
    skip=120,
)
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": "Berlin",
      "industry_code": "42.21.0",
      "industry_scheme": "WZ2025"
  },
  limit: 20,
  skip: 120,
});
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": "Berlin",
        "industry_code": "42.21.0",
        "industry_scheme": "WZ2025"
    },
    limit: 20,
    skip: 120,
  });
  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=120' \
  -H 'x-api-key: YOUR_API_KEY' \
  -G --data-urlencode 'filters={"city":"Berlin","industry_code":"42.21.0","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