Signal: a 10–50 person service business whose customers can't reach it by phone. Spent on this campaign: $0.62. Run uses the cache; Refresh calls the API again.
The VAPI mystery caller plays a homeowner with a broken furnace and scores the line. Guardrails: owner-cell numbers are always refused; real businesses are refused unless live calls are switched on. Today only the simulated business lines are on the allow-list.
Run Pain to build the shortlist.
| Business | Size | Area | Phone · line | Rating · 1–2★ | Hours | Links |
|---|---|---|---|---|---|---|
| AIXINEERING Civil engineer |
solo | Aachen 52062 |
+49 160 91976311 unknown |
5★ · 14 0% low |
Mon 9 AM to 7 PM; Tue 9 AM to 7 PM; Wed 9 AM to 7 PM; Thu 9 AM to 7 PM; Fri 9 AM to 7 PM; Sat 9 AM to 7 PM; Sun Closed | site · map |
| INDUGA Industrieöfen and Giesserei-Anlagen GmbH & Co. KG Mechanical engineer |
solo About 680 employees are part of the OTTO JUNKER family – so |
Lammersdorf 52152 |
+49 4924 73601710 unknown |
4★ · 5 20% low |
– | site · map |
| Hille Engineering GmbH & Co. KG Mechanical contractor |
solo | Roetgen 52159 |
+49 2471 5678710 unknown |
5★ · 1 0% low |
Mon 7:30 AM to 5:30 PM; Tue 7:30 AM to 5:30 PM; Wed 7:30 AM to 5:30 PM; Thu 7:30 AM to 5:30 PM; Fri 7:30 AM to 4 PM; Sat Closed; Sun Closed | site · map |
| Toma Engineering e.K. Manufacturer |
solo | Rollesbroich 52152 |
+49 2473 9383004 unknown |
– | Mon 8 AM to 5 PM; Tue 8 AM to 5 PM; Wed 8 AM to 5 PM; Thu 8 AM to 5 PM; Fri 8 AM to 5 PM; Sat Closed; Sun Closed | site · map |
| Otto Junker GmbH Mechanical engineer |
small For over 70 years, OTTO JUNKER has been supporting indust; #### Celebrating 40 Years of OT |
Lammersdorf 52152 |
+49 2473 6010 wholesale VoIP |
4.5★ · 53 8% low |
Mon 7:30 AM to 3 PM; Tue 7:30 AM to 3 PM; Wed 7:30 AM to 3 PM; Thu 7:30 AM to 3 PM; Fri 7:30 AM to 3 PM; Sat Closed; Sun Closed | site · map |
| Systems Engineering Kalibrierlaboratorium GmbH & Co. KG. Business to business service |
solo | Stolberg (Rhineland) 52222 |
+49 2402 900180 unknown |
4.5★ · 4 0% low |
– | site · map |
| EUtech Scientific Engineering GmbH Engineering consultant |
solo 27+ Years of engineering experience; Over 25 Years of Experience |
Aachen 52076 |
+49 2408 713420 unknown |
4.4★ · 9 11% low |
Mon 8 AM to 5 PM; Tue 8 AM to 5 PM; Wed 8 AM to 5 PM; Thu 8 AM to 5 PM; Fri 8 AM to 5 PM; Sat Closed; Sun Closed | site · map |
| Hellweg Maschinenbau GmbH & Co. KG Machining manufacturer |
solo | Roetgen 52159 |
+49 2471 4254 wholesale VoIP |
4.5★ · 8 12% low |
Mon 8 AM to 5 PM; Tue 8 AM to 5 PM; Wed 8 AM to 5 PM; Thu 8 AM to 5 PM; Fri 8 AM to 5 PM; Sat Closed; Sun Closed | site · map |
| Förster Engineering GmbH Engineer |
solo | Eicherscheid 52152 |
+49 2473 9281660 unknown |
5★ · 4 0% low |
– | site · map |
| Structural Engineering GmbH & Co.KG Engineer |
solo | Brauweiler 50259 |
+49 2234 991660 unknown |
4.4★ · 7 14% low |
Mon 9 AM to 6 PM; Tue 9 AM to 6 PM; Wed 9 AM to 6 PM; Thu 9 AM to 6 PM; Fri 9 AM to 6 PM; Sat Closed; Sun Closed | site · map |
| Siegfried Feck Structural engineer |
solo | Mützenich 52156 |
+49 2472 802785 unknown |
5★ · 1 0% low |
– | · map |
| CFM Schiller GmbH Mechanical engineer |
solo ## CFM Schiller GmbH – 48 Years of Experience |
Roetgen 52159 |
+49 2471 12460 unknown |
4.7★ · 13 8% low |
Mon 7 AM to 5 PM; Tue 7 AM to 5 PM; Wed 7 AM to 5 PM; Thu 7 AM to 5 PM; Fri 7 AM to 5 PM; Sat Closed; Sun Closed | site · map |
| Siggelkow Civil engineering company |
solo | Siggelkow 19376 |
+49 38724 22730 unknown |
3.9★ · 7 14% low |
– | · map |
| Oliver Maier Civil engineering company |
solo | Stadt Fehrbellin 16833 |
+49 33932 73466 unknown |
5★ · 1 0% low |
– | site · map |
| Beltec Metallbau GmbH & Co. KG Mechanical engineer |
solo | Fürstenberg/Havel 16798 |
+49 33093 3310 unknown |
4.5★ · 8 12% low |
Mon 6:30 AM to 4 PM; Tue 6:30 AM to 4 PM; Wed 6:30 AM to 4 PM; Thu 6:30 AM to 4 PM; Fri 6:30 AM to 12 PM; Sat Closed; Sun Closed | site · map |
| Streege Tiefbau GmbH Civil engineering company |
solo | Marienwerder 16348 |
+49 3335 3304460 unknown |
4.2★ · 5 20% low |
– | · map |
| Jürgen Müller Civil engineering company |
solo | Waldkolonie 16866 |
+49 33971 71387 unknown |
5★ · 1 0% low |
– | · map |
| Straßen- und Tiefbau Rafka GmbH Civil engineering company |
solo | Biesenthal 16359 |
+49 3337 450156 unknown |
5★ · 2 0% low |
– | · map |
| Gebr. Witte Kies- und Tiefbau GmbH Civil engineering company |
solo | Nettelbeck 16949 |
+49 171 9920206 unknown |
3★ · 2 50% low |
Mon 7:30 AM to 5 PM; Tue 7:30 AM to 5 PM; Wed 7:30 AM to 5 PM; Thu 7:30 AM to 5 PM; Fri 7:30 AM to 5 PM; Sat 7:30 AM to 5 PM; Sun Closed | · map |
| TS Bau GmbH Civil engineering company |
solo | Zachow 19376 |
+49 38729 21599 unknown |
5★ · 1 0% low |
– | · map |