Overview

Reinhausen, formally Maschinenfabrik Reinhausen GmbH, is headquartered in Regensburg, Bavaria, Germany, and was founded in 1868. The company employs roughly 5,000 to 10,000 people and is family-owned. It makes on-load tap changers, power transformers, motor drives, and diagnostic systems for the energy sector, serving energy producers, public grid operators, and transformer manufacturers. Its recent developments include plans reported in September 2026 to build an on-load tap changer plant in Saudi Arabia.

At a glance

What Reinhausen makes

The company holds ISO 9001, ISO 14001, ISO 45001, and ISO 50001 certifications and offers turn-key transformer modernization, maintenance and testing, and substation construction.

Products and capabilities described on the company's own site include Transmission, Steel, Sensor, Assembly, Composite, Glass (source: reinhausen.com).

Certifications

Reinhausen is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 14001 — reinhausen.com

• ISO 45001 — reinhausen.com

• ISO 50001 — reinhausen.com

• ISO 9001 — reinhausen.com

Trade and customs footprint

Reinhausen announced a planned on-load tap changer plant in Saudi Arabia in September 2026, according to Transformer Magazine. US customs bill-of-lading records list 423 inbound shipments across 26 foreign suppliers, with top origins including Germany · Netherlands · India · South Korea.

Latest developments

• 2026-09-03 — Reinhausen to build Saudi OLTC plant – Transformer Magazine (transformer-magazine.com)

• 2026-08-31 — Reinhausen reaffirms its clear commitment to Regensburg: Reinhausen (reinhausen.com)

• 2026-06-29 — Bolckmans: Detailseite (bolckmans.de)

• 2026-05-12 — Reinhausen to Expand Production Facility in Gibson County - TNECD (tnecd.com)

• 2025-12-12 — Trench Group Expands Composite Insulator Capacity (trench-group.com)

• 2025-12-08 — Capacity is key - and we’re unlocking it.🔐 | Reinhausen (linkedin.com)

Company details

Reinhausen is family-owned and reports an estimated annual revenue band of $1 to 5 billion, with operations in 28 countries. Reinhausen was founded in 1868, has an estimated 5,000-10,000 employees, and is headquartered in Regensburg, Bavaria. On the LightSource stability read it is rated "Established & active": 158 years in operation (founded 1868). Holds ISO 14001, ISO 45001, ISO 50001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Reinhausen make?

Reinhausen, formally Maschinenfabrik Reinhausen GmbH, is headquartered in Regensburg, Bavaria, Germany, and was founded in 1868. The company employs roughly 5,000 to 10,000 people and is family-owned. It makes on-load tap changers, power transformers, motor drives, and diagnostic systems for the energy sector, serving energy producers, public grid operators, and transformer manufacturers. Its recent developments include plans reported in September 2026 to build an on-load tap changer plant in Saudi Arabia.

Where is Reinhausen headquartered?

Reinhausen is headquartered in Regensburg, Bavaria (8 Falkensteinstrasse, Regensburg, Bavaria, 93059).

When was Reinhausen founded?

Reinhausen was founded in 1868.

How big is Reinhausen?

Reinhausen has an estimated 5,000-10,000 employees, with revenue in the $1-5B range (estimated).

What certifications does Reinhausen hold?

Reinhausen lists ISO 14001 · ISO 45001 · ISO 50001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

Does Reinhausen import from overseas suppliers?

US customs bill-of-lading records show 423 inbound shipments for Reinhausen, with top origins including Germany · Netherlands · India · South Korea.

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Last verified Nov 2026. Is this your company? Request a correction.