January -- Hughes Aircraft Company, the first IBM customer to install Endicott's initial IBM 4341 processor, announces it is using the new system to help design customized LSI circuit chips.
January -- IBM donates a special foam-dispensing fire truck to Endicott.
February -- Renovation plans for IBM's first engineering lab, Building 32, are announced.
March -- More than 6,000 square feet of manufacturing space becomes available in Building 18-1 when it is announced that CIMPAC operations will be consolidated with the data processing center in Building 14-1. In addition, the lab's computing center begins phasing in five IBM 3033 processors.
April -- IBM's first color printers -- the IBM 3287 Models 1C and 2C -- which were developed at the Endicott lab, are shipped from the IBM facility in Raleigh, N.C.
May -- Systems Control Technician Bill Aswad receives $19,366, the largest Suggestion Award check presented to an Endicott employee since 1968.
May 8 -- The IBM 4331 Model Group 2 is announced. It was developed by the Boeblingen lab and is manufactured by SPD in Endicott.
May -- A 3,500-ton capacity steam-driven refrigeration machine is installed in the power house to provide increased chilled water for process cooling and general air conditioning.
June -- The new Field Engineering Century Plaza building holds an Open House for employees and their families.
June -- The first IBM 3262 Model 1 and Model 11 printers are shipped from the plant.
August -- The first IBM 4331 Model Group 2 processor is shipped from the plant.
August -- Sixty plant and lab employees receive advanced degrees in 1980.
September 15 -- The IBM 4341 Model Group 2 is announced. It was developed by the Endicott lab's intermediate systems group and is manufactured by SPD in Endicott.
September -- A new addition to Building 47 is announced.
September -- Endicott receives responsibility for VM/370 product development.
October -- A special press conference marks the official opening of the newly-renovated IBM Homestead, which is converted to house most of the site's educational facilities. It consists of three sections totaling 32,000 square feet. The Homestead Education Center has 17 IBM 3277 terminals connected to the Endicott laboratory's MVS/TSO and VM/370 systems.
November 12 -- The IBM 3081 processor is announced. Endicott has contributed the highly sophisticated printed circuit board to the 3081.
December -- A new VM/370 programming system is announced, along with a number of other key company programming offerings.
1981
May -- Building 32 reopens after more than a year of renovation.
October 1 -- As part of a major realignment of IBM worldwide operations, the IBM General Technology Division (GTD) becomes one of three components in the new Information Systems and Technology Group. As a result of the realignment, the Endicott facility now reports to GTD. The Endicott plant then receives functional guidance from three divisions in certain product areas, as follows: Data Systems Division -- IBM 4341 and follow-on products and VS1; System Products Division -- smaller processors, VM/370, VSE and associated database and query program products; and Information Products Division -- printers.
1982
February 3-- Carl Conti, site general manager, announces plans for the construction of a 90,000-square foot office building to be located immediately north of Buildings 47 and 47A between McKinley and North Roosevelt Avenues. The new two-story structure, Building 250, will house manufacturing support employees. Construction by the Brandywine Construction Corporation is to begin in February and be completed in the autumn of 1982.
October 20 -- The company announces the IBM 4341 Model Group 9, a new entry-level 4341 processor, and the IBM 4341 Model Group 12, a new top-of-the-line 4300 processor. Both products were developed and are manufactured by GTD in Endicott, under the functional guidance of the Data Systems Division.
IPD continues to provide functional guidance to Endicott for printer products.
1983
April -- The Endicott lab is one of three product development facilities in GTD.
September 15 -- The company announces the IBM 4361 and IBM 4381 processors. The 4361 was developed in Boeblingen, West Germany, and is manufactured in Endicott and Havant, England; the 4381 was developed and is manufactured in Endicott, and is also manufactured in Valencia, Spain, and Sumare, Brazil.
October 18 -- The company introduces the Endicott-developed IBM Personal Computer XT/370, which offers programmers, engineers, scientists and business people the ability to run most VM/CMS application programs at their desks.
November 23 -- IBM forms the Systems Technology Division (STD) and STD acquires responsibility for the Endicott plant and the circuit packaging plant in Austin. Endicott's product and systems development and manufacturing responsibilities remain the same following STD's formation.
1985
Endicott is an STD site and receives direction from SPD for the IBM 4381, IBM PC XT/370, IBM PC AT/370 and other programming.
June 26 -- IBM announces that STD headquarters will move from Endicott to Danbury, Conn. The move, involving fewer than the approximately 50 people in the headquarters organization, is expected to be completed by year-end.
1986
April -- The plant and lab operate as part of STD.
October 7 -- IBM announces a complete computing center that can be shipped in a single rack. Endicott's chief contribution to the announcement is the IBM 9370 series of processors, which leave the plant fully configured to the customers' specifications, with the processor, storage and related controllers in one package.
1987
July 21 -- IBM begins volume shipments two months ahead of schedule of the Models 20 and 60 of its midrange IBM 9370 information system. First shipments are made from Endicott to The Phoenix, a life insurance company in Hartford, Conn. (IBM says that it expects to ship approximately 5,000 IBM 9370 systems worldwide by the end of the year).
STD maintains manufacturing and development operations in Endicott and Austin, and manufacturing operations in Bromont, and Toronto, Canada.
1988
January -- The plant and lab operate as part of STD.
January 28 -- SPD becomes a component of the newly-formed IBM Technology Products line of business. At this point, SPD has operations in Endicott's Glendale Laboratory.
1989
April -- The Endicott lab operates as one of six development facilities, and the Endicott plant is one of 12 manufacturing facilities, around the world supporting the Technology Products line of business.
January -- Hughes Aircraft Company, the first IBM customer to install Endicott's initial IBM 4341 processor, announces it is using the new system to help design customized LSI circuit chips. 
November 12 -- The IBM 3081 processor is announced. Endicott has contributed the highly sophisticated printed circuit board to the 3081.
September 15 -- The company announces the IBM 4361 and IBM 4381 processors. The 4361 was developed in Boeblingen, West Germany, and is manufactured in Endicott and Havant, England; the 4381 was developed and is manufactured in Endicott, and is also manufactured in Valencia, Spain, and Sumare, Brazil.