For more than 75 years, S.I. Jacobson has been designing and manufacturing custom OEM bags and carrying cases. From humble be ... ginnings in downtown Chicago, through a move to larger manufacturing and warehouse space in Waukegan, to the global company it is today --- SIJ has maintained the highest quality design and production standards. We’d like to custom design a solution for you! If you’d like to contact our team, you can reach us here. CONTACT US S.I. Jacobson Manufacturing Company 1414 Jacobson Drive Waukegan, IL 60085 847-623-1414, Extension #2 sales@sij.com OEM Products •Bags •Soft-sided carrying cases •Compression molded EVA cases •Tool rolls and pouches •Vinyl Pouches •Covers •Luggage •Insulated products •Many other sewn items Markets Served •Electronics, Audio & Musical Instruments •Hand & Power Tools •Medical Devices •Automotive •Consumer Durables •Sporting Goods & Outdoors •Industrial read more