Quality is what makes Aldonex Inc. a recognized leader in the rectifier industry. This is the standard of measurement that goes into every Aldonex product and service.  This is what makes Aldonex Inc. products perform and last.

We Truly Care

We are small enough to handle your needs with personal service and big enough to tackle the most complex of tasks.

Manufacturer of Quality D.C. Power  Supplies

Since 1967

Why Choose Us



Do you have a rectifier that keeps letting you down? Is your calibration coming due?  

We can repair and calibrate most makes and models of DC power supplies.  Bring it to us. We will do a free test and evaluation of your non-operating equipment. 

Aldonex also offers CE and 3rd party NRTL certifications. Click the Read more button below for more information.

Factory Address:
2917-19 St. Charles Rd.
Bellwood, IL 60104

Phone: (708) 547-5663
Fax: (708) 547-5738

Mailing Address:
P.O. Box 66
Wood Dale, IL 60191