GSI is a Manufacturer’s Representative sales organization that has serviced the Northern Illinois and Wisconsin marketplace since the 1950’s. We pride ourselves on our strong relationships with our principals and our customers. Our longevity and focus with our manufacturers has been an asset to our customers.
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If you need assistance with this process, contact Natalie Zullo, ERA Operations Specialist, at nzullo@era.org.
GSI (Greenslade Sales Inc.)
ERA Member Since 2022
Branch Offices
- Arlington Heights, IL Brookfield, WI
Additional Facilities
Chapters
Territories
- Illinois, Wisconsin
Number of Employees
- 4
Products
- Passive Components, Sensors, Interconnect, Power Sources and Mgmt, Audio and Visual
Product Groups
- Components, Communications, Instrumentation and Sensors, RF Microwave and Wireless
Customer Base
- Avionics, Distributor and Wholesalers, Medical, Military/Aerospace, Tele Op Companies, Industrial/OEM
Contact Information
Officers
- John Brennan, Melissa Drazba
Address
- 505 East Golf Rd. Suite A, Arlington Heights IL, 60005
Phone Number
- 847.593.3450