SJE Company History
Bjorn Haldorsen becomes CEO of SJE.
SJE acquires Horlick, based in Randolph, MA. Horlick specializes in motor generator sets and control panels.
Website: www.horlick.com
SJE acquires Ohio Electric Control, based in Ashland, OH. OEC specializes in custom control panels for a variety of industries.
Website: www.ohioelectriccontrol.com
L. W. Allen & Altronex Acquired
SJE acquires L. W. Allen and Altronex, based in Madison, WI. L. W. Allen is a factory-authorized distributor and Altronex is a custom control system provider.
Website: www.lwallen.com
SJE was acquired by Audax Private Equity, a leading alternative investment manager with offices in Boston, New York and San Fransisco.
SJE announces a new purpose statement and values.
New Ashland Facility Grand Opening
The newly finished Ashland, OH, facility hosts a grand opening celebration.
Construction Begins on Ashland Facility
Construction begins on a new facility in Ashland, OH, with more space than the old facility in the same city.
ESOP Company of the Year
SJE Rhombus is named 2017 ESOP Company of the Year by the National ESOP (Employee Stock Ownership Plan) Association.
Company Name Becomes SJE
Company name becomes SJE, with separate brands for SJE Rhombus, CSI Controls and PRIMEX.
SJE Rhombus Rebranding
SJE Rhombus gets a new logo and rebranding for the first time in nearly 20 years.
CSI Controls Rebranding
CSI Controls gets a new logo and rebranding.
MCC Control Systems Acquired
SJE Rhombus acquires MCC Control Systems in Vacaville, CA – a systems integrator and automation solutions provider for municipal water, wastewater and industrial applications – and positions them within the PRIMEX engineered brand.
ICS Healy-Ruff™ Acquired
SJE Rhombus acquires ICS Healy-Ruff™ in Plymouth, MN – a manufacturer and integrator of municipal control systems – and positions them within the PRIMEX engineered brand.
40th Anniversary
SJE Rhombus celebrates 40th Anniversary (1975-2015) with a company picnic.
5-Year Limited Warranty
SJE Rhombus expands from a three-year to an industry-leading 5-year limited warranty on most wholesale catalog products.
PRIMEX™ Brand Created
SJE Rhombus unifies the Engineered Control Solutions businesses (Best Controls, Co., CSI Controls, Control Works, Inc.) under the new master brand PRIMEX™.
Dave Thomas Becomes CEO
Dave Thomas is named CEO after Laurie Lewandowski retires.
Floatless Technology
SJE Rhombus develops new line of innovative products using “floatless” technology.
SJE Rhombus acquires CSI Controls in Ashland, Ohio – a manufacturer of custom panels and on-site controls.
Best Controls Co. Acquired
SJE Rhombus acquires Best Controls Co. in Clearwater, FL – a manufacturer of custom panels and pump controllers.
Compucon Co. Acquired
SJE Rhombus acquires Compucon Co. in New Hope, MN, increasing their engineering and PCB capabilities.
Suzhou Facility Added
SJE Rhombus opens a facility in Suzhou, China to better serve pump OEMs currently producing products in China.
Control Works, Inc., Acquired
SJE Rhombus acquires Control Works, Inc., a custom control panel facility located in Milford, Ohio.
PCB Production
Printed Circuit Board production moves from C&D Electronics to SJE Rhombus in Detroit Lakes, MN. Surface mount PCB equipment is installed and production for the Embedded Controls Group begins.
Tamarack Engineering Acquired
SJE Rhombus acquires Tamarack Engineering, an embedded controls engineering firm located near Minneapolis, MN.
Laurie Lewandowski Becomes CEO
Laurie Lewandowski becomes CEO after Lois Solheim retires.
100% Employee Owned, Building Expansion
SJE Rhombus becomes 100% employee-owned and 33,000 sq. ft. was added to the existing manufacturing building. Lois Solheim retires as CEO. Laurie Lewandowski is named the new CEO.
SJE Rhombus
S.J. Electro Systems, Inc. begins doing business as SJE Rhombus.
Lois Solheim Becomes CEO
Founder Retires
Founder Stephen P. Johnston retires as CEO of SJE.
New Logo Introduced
Control Panels Added
New Building
ESOP Adopted
INC Magazine
New Building Addition
Business Incorporated
Company Founded
