Dover Corporate Development History

Our long history of making successful acquisitions began with Fred Durham, CEO from 1956 through 1966. In just over 45 years, Dover has acquired more than 100 manufacturing companies. This acquisition strategy has benefitted Dover stockholders, employees and customers.


1955
Dover—comprised of four companies: Rotary Lift¹, C. Lee Cook, Morris and Peerless²—goes public.
¹Dover Elevator later became an independent operating company after an internal spin-off from Rotary. [Divested in 1999.]
²Peerless was divested in 1977.

1958
Shepard-Warner acquired by Elevator.

1960
General Elevator acquired by Elevator.

1961
OPW [Split to form: Civacon, OPW Engineered Systems and OPW Fueling Components.]
Monarch Elevators acquired by Elevator.

1962
Alberta Oil Tool acquired by Norris; later a stand-alone.
Parks Equipment acquired by Norris; later, Norriseal.
Anderson-Priest acquired by Elevator.
Elevator Sales/Service acquired by Elevator.
De-Sta-Co [Split to form: De-Sta-Co Manufacturing and De-Sta-Co Industrial Products.]

1963
Acme Elevator acquired by Elevator.
Walter O'Bannon acquired by Norris.

1964
Hunter-Hayes acquired by Elevator.
Elevator Service acquired by Elevator.
Reddy Elevator acquired by Elevator.
Blackmer Pump

1965
Moody & Rowe acquired by Elevator.
Burch acquired by Elevator.

1966
Turnbull acquired by Elevator.

1967
Groen

1968
Ronningen-Petter
Burlington acquired by Elevator.

1970
Bernard Welding [Divested in 2001.]

1971
Davenport [Divested in 2000]
Hammond & Champness acquired by Elevator. [Divested in 1997.]

1973
Louisiana Elevator acquired by Elevator.
Ernest Holmes [Divested in 1987.]

1974
W.W. Moore acquired by Elevator.
Campbell-Elevator acquired by Elevator.

1975
Dieterich Standard [Divested in 1996.]

1977
Waukesha Bearings

1978
Tranter

1979
Universal Instruments

1981
Tipper Tie

1982
Compressor Components acquired by C. Lee Cook.
Measurement Systems [Divested in 1996.]

1983
Cencorp [Became part of Dovatron; Divested in 1993.]
Miami Elevator acquired by Elevator.
K&L Microwave
Pathway Bellows [Divested in 1999.]
DEK Printing
Soltec

1984
Sound Elevator acquired by Elevator.
Sincotron [Later restructured as part of Universal.]
Logic Controls [Acquired by Norris; later became part of Norriseal.]
Sargent
Corpane [Divested in 1992.]

1985
Weldcraft [Acquired by Bernard; now DovaTech; divested in 2001.]
Dielectric [Acquired by K&L; later became part of Quadrant.]
Lagerquist acquired by Elevator.
Arbell [Later became part of Universal.]
Oscillatek [Later became part of Quadrant.]

1986
Manley Valve acquired by C. Lee Cook.
Randell
I.S.T. [Acquired by OPW; divested in 1991.]
Communication Techniques [Acquired by K&L; later became part of Quadrant.]
Nurad [Divested in 1991.]
Hawaiian Pacific acquired by Elevator.
American Metal Ware [Divested in 1995.]
PME [Acquired by Waukesha; divested in 1992.]
Wolfe Frostop Sales [Acquired by Groen; divested in 1991.]

1987
Weaver acquired by Rotary Lift [Divested in 1989.]
Duncan Industries
Novacap

1988
General Elevator acquired by Elevator.
Texas Hydraulics
Ferguson-Beauregard acquired by Norriseal.
Pomeco acquired by OPW.
Chief Automotive Systems York-Gregg acquired by Elevator.
Stark Manufacturing [Later became part of De-Sta-Co.]

1989
Petro Vend

1990
Wittemann
Marathon
Security Elevator acquired by Elevator.

1991
Empire Elevator acquired by Elevator.
Hudson Elevator acquired by Elevator.

1992
A-C Compressor [Divested in 2001.]
B&S Screw Machine [Later became part of Davenport.]
Vectron Labs [Later became part of Quadrant.]

1993
The Heil Co. [Later split into Heil Trailer and Heil Environmental.]
Richland acquired by Tranter.
Belvac
TEC [Later became part of Pathway Bellows.]
Phoenix Refrigeration Systems
J&L acquired by Heil Trailer.
Dynapert acquired by Universal.

1994
Midland
TNI [Later became part of DT Magnetics.]
Koolrad acquired by Tranter.
HTT/Swep acquired by Tranter.
Reheat AB acquired by Tranter.
Technopak acquired by Tipper Tie.
Tarby acquired by Blackmer.
Midstate Elevator acquired by Elevator.
Hill merged with Phoenix Refrigeration.

1995
Mark Andy
Imaje
Knappco acquired by Civacon.
Margaux acquired by Hill Phoenix.
Hasstech acquired by OPW FC.
Hammond Engineering acquired by Blackmer.
AT&T FCP acquired by Quadrant; renamed Vectron Technologies.
Trailmaster acquired by Heil Trailer.
GFS [Acquired by TNI; later became part of DT Magnetics.]

1996
Everett Charles Technologies (ECT)
PRC acquired by DovaTech.
Light Machines acquired by Davenport.
BSL [Acquired by DEK; later became part of ECT.]
Dow Key acquired by K&L Microwave.
Robohand acquired by De-Sta-Co.
Marte acquired by Rotary Lift.
RealCold acquired by Wittemann.
KVG acquired by Vectron.
Tulsa Winch

1997
Hydro Systems
Quarzker acquired by Vectron.
Telefilter acquired by Vectron.
Luther & Maelzer acquired by ECT.
ESH acquired by ECT.
Circuit Test acquired by ECT.
Swep Aust. acquired by Tranter.
L&E acquired by Pathway.
K&K acquired by DovaTech. [Divested in 2001.]
Emmert acquired by De-Sta-Co.
EOA acquired by De-Sta-Co.
Preco acquired by A-C Compressor. [Divested in 2001.]
Conmec acquired by A-C Compressor. [Divested in 2001.]
Mouvex acquired by Blackmer.
Vitronics acquired by Soltec.
SWF

1998
Quartzdyne
ThermoFluid acquired by Tranter [Divested in 1999.]
Thompson Carmichael acquired by Heil Trailer.
Wiseco [Became foundation for platform company PMI.]
Gemini acquired by Elevator.
Nova acquired by Hydro Systems.
Sonic acquired by Sargent Controls.
Avtec acquired by Randell.
PDQ
Wilden Pump
CCMOP acquired by De-Sta-Co.
Koolant Koolers acquired by DovaTech.
ProX acquired by Wiseco.

1999
EMA acquired by De-Sta-Co Industries.
Van Dam acquired by Mark Andy.
Alphasem acquired by Universal.
Hydra-Tight acquired by Waukesha.
Graphics Microsystems
TTI Testron acquired by ECT.
Richards Ind. acquired by OPW.
Somero
JE Piston acquired by Wiseco.
Parts Inc. acquired by Heil Environmental.
Advantage Lifts acquired by Rotary.
Lee Laser acquired by DovaTech.
Forward Manufacturing acquired by Rotary.
Arcom acquired by Quadrant.
Crenlo
HAS acquired by Sargent Controls.
Dp Mfg. acquired by Tulsa Winch.
Heil Asia acquired by HEIL.

2000
Sure Seal acquired by Civacon.
Yakima Wire Works acquired by SWF Companies.
Triton Systems
Prime Yield Systems acquired by ECT.
Hydro-Cam Engineering acquired by De-Sta-Co Mfg.
Gerald L. Greer acquired by Tulsa Winch.
Hoegger Alpina acquired by Tipper Tie.
Hydromotion acquired by Texas Hydraulics.
Salwasser Manufacturing acquired by SWF Companies.
Provacon, Inc. acquired by Midland.
Groupe Aoustin acquired by Ronningen-Petter.
C&H Manufacturing, Inc. acquired by SWF.
System One Pump acquired by Blackmer.
Syfer Technology Ltd. acquired by Novacap.
Vertex Piston S.p.A. acquired by Wiseco.
Kesseltronics Systems acquired by PDQ.
National Cooler acquired by Hill Phoenix, Inc.
Pullmaster Winch acquired by Tulsa Winch.
RG Industries acquired by AOT.
OK International
Vitech acquired by ECT.
Cincox acquired by Quadrant
Kalyn/Siebert acquired by Heil Trailer.

2001
CPI Products acquired by De-Sta-Co Industries.
Bayne Machine Works, Inc. acquired by Heil Environmental.
Adhoc Identity Card acquired by Imaje.
Schreiber Engineering, Inc. acquired by DovaTech.
Comco acquired by Mark Andy.
Tisma Machinery Corporation acquired by SWF Companies.
Kurz-Kasch, Inc.
MultiTest AG acquired by ECT.
Markpoint Holding AB acquired by Imaje.
Carrillo Industries acquired by PMI.
Federal-Mogul RPB acquired by Waukesha Bearings.
Perfect Bore acquired by PMI.