1937: Leland Oliver graduates from the University of Illinois and joins the Grinnell Corporation

Leland Oliver starts sprinkler division at Keating Mechanical Contractor (now Daniel J. Keating Construction)

Job #1: Keystone Portland Cement Company

Job #2: Gimbel's Department Store

1958: Total sales of $65,677 and total expenditures of $69,212!

1960: Company consisted of Lee Oliver, Ed Cobb, and 5 sprinkler fitters

1966: The company moves out of Oliver house to 1400 Mill Creek Road, Gladwyne, Pennsylvania

1967: Bill Oliver joins Oliver Sprinkler as Local 692 apprentice

1969: Leland Oliver unexpectedly passes away – company consisted of Tom Geist, Ed Cobb, Sam Veneziano, Secretary, and 12 sprinkler fitters. Several people leave organization for fear of the future.

1970: Bill Oliver, 24 years old, becomes President of Oliver Sprinkler Company

1975: Oliver Sprinkler relocates to 501 Feheley Drive, King of Prussia, Pennsylvania

1975: Daywork Department rises under the lead of John Geist

Sales hit $2 million in 1975!

1984: Oliver sprinklers 70 buildings at Great Adventure after tragic fire

1988: Installed 828 sprinklers in Comcast tenant space at One Meridian Plaza

1991: One Meridian Plaza suffers from fire that cannot be controlled by fire fighters and three firemen die. Fire is controlled by 10 sprinklers in Comcast space installed by Oliver Sprinkler

1992: City of Philadelphia passes high-rise retrofit ordinance in aftermath of One Meridian fire

1995: Inspections Department is created and lead by Bruce Frankum

2000: Dick Oliver becomes President of Oliver Sprinkler

2003: Oliver Alarm Systems opens for business

Today: Oliver Sprinkler Company Inc. and Oliver Alarm Systems has become the most respected fire protection provider in the Tri-State area. Through dedication, hard work, and passion for life safety the Oliver team is here to serve you.