OTC POWERS PRODUCTIVITY
With experience dating back to the 1970s, OTC Services, Inc. holds it’s position as the industry standard for the remanufacturing and repair of dry-type and liquid-filled transformers for both industrial and utility clients. Now, with the OTC integration into the SGB-SMIT Group, we now bring over 100 years of design and manufacturing experience to the transformer market.
​
We are ideally located in Northern Ohio and provide dedicated rail access, large truck delivery and a 100-ton overhead crane. Our location, accessibility and state-of-the-art facilities streamline the process and provide you the most efficient service and aggressive lead times in the industry.
​
At OTC, our on-site engineers assure the proper assessment, manufacture, remanufacture, or repair of your project. We stand behind our new and remanufactured transformers with new product warranties for peace of mind.

SGB-SMIT AT A GLANCE
Welcome to the SGB-SMIT Group, the pure-play transformer specialist from Europe with the highest customer dedication.
Wherever electricity is required, generated and distributed: the SGB-SMIT Group supplies products in line with demand, adapted to the customers and their requirements. Our key objective…
EXPERIENCE
There is no replacement for experience. The experience our engineering and manufacturing experts offer you is unrivaled in all facets of transformer remanufactured repair.
CRAFTSMANSHIP
Our quality craftsmanship is a result of our culture. We have a veteran team of skilled specialists who know the product and take pride in their workmanship.
TECHNOLOGY
In using the latest technology such as computer-aided design software, finite element analysis and voltage distribution programs we are able to enhance and validate our designs prior to implementation.
CUSTOMER SERVICE
Our commitment to customer service is demonstrated by our ability to respond quickly and accurately. Phone calls are answered in-person and we are dedicated to providing prompt service with the most competitive lead times.
HISTORY
OTC Services and SGB-SMIT have a rich histories dating back to 1913.
2017
ONE EQUITY PARTNERS
Funds advised by One Equity Partners (OEP) acquire SGB-SMIT Group
2018
MORE ACQUISITIONS
Acquisition of BCV Technologies, France and Powertech Transformers, South Africa.
2014
ACQUISITION OF STAKE
Acquisition of controlling stake (by now 100% in Romanian transformer manufacturer Retrasib S.A.
APRIL 11, 2013
100TH ANNIVERSARY
SMIT celebrates 100th anniversary and is awarded the courtesy title “Royal”. Name also changes to Royal SMIT Transformers B.V.
MAY 2, 2012
SGB-SMIT ACQUIRES OTC SERVICES
Acquisition of OTC Services (Ohio, USA)
SEPTEMBER 30, 2011
COMPANY RENAMED OTC SERVICES
The facility changes name to OTC Services.
2008
BC PARTNERS
Funds advised by BC Partners acquire majority interest in SGB-SMIT Group
MARCH 11, 2004
ASSESTS SOLD TO GE
Assets were sold to General Electric and facility closed
2000
SMIT TRANSFORMERS SOLD
SMIT Transformers B.V. is sold to RWE AG and enters the TESSAG division, later RWE Solutions (cluster of industrial companies incl. SGB)
1990
FOUNDATIONS
Foundation of Sachsisch-Bayerische Starkstrom-Geratebau GmbH
1994
SGB ESTABLISHMENT
Establishment of SGB MY Malaysia as a Joint Venture for the production of oil distribution & cast resin transformers
1947
REGENSBURG
Starkstrom-Geratebau GmbH established as independent company in Regensburg
JANUARY 27, 1913
SMIT TRANSFORMER FOUNDED
Willem Smit & Co's Transformer Factory Ltd. established as an independent company in Nijmegen.
NOVEMBER 2, 1940
OHIO TRANSFORMER FOUNDED
Founded in 1946 to supply transformers to a U.S. government magnesium reduction plant.
1934
FIRST 150 KV TRANSFORMERS
First 150 kV transformers produced
AUGUST 22, 1962
OHIO TRANSFORMER RELOCATES
Ohio Transformer relocates to Canton, Ohio and expands product line.
DECEMBER 7, 1985
HIGH-BAY EXPANSION
Expansion gave expanded capacity with 100-ton overhead crane with a 37 foot hook height.
SEPTEMBER 14, 2007
FACILITY REOPENS
Operation restarted and prior management recruited to run operations.