Merger And Acquisition History

1993

1992

1991

1990

1989

1988

1987

1983

1981

1994

1995

3/95

1

1/94

8/94

7/93

1

1/92

5/92

5/91

12/90

7/90

12/89

3/89

2/89

2/89

6/88

2/87

‘83

‘82

Unisys (ST

O)

P

ARSEC

Redwood Design

Comdisco

Systems, Inc.

Seed

VHDL

Environment

SEDCO

PINEBUSH

T

echnologies, Inc.

HELIOS

ASI

Gateway

T

angent Systems

SDA

ECAD

ADT

CALMA

T

elesis

12/91

IMS

Valid Logic

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