CPI

CPI

Control Products, Inc.

East Hanover, NJ, United States

Land Systems & VehiclesNaval SystemsAir SystemsDual-use
Founded 1946Component Supplier, Contract ManufacturerSupplies Land Forces, Naval Forces, Air Forces, Defense Industry
Profile last updated: April 30, 2026

About

Founded in 1946, CPI is a defense component supplier based in East Hanover, United States working in land systems & vehicles, naval systems, air systems.

CPI (Control Products, Inc.) is a US manufacturer of sealed switches and position sensors based in East Hanover, New Jersey. Founded in 1946, its first sales were to the US government for military applications, and its switches remain in military equipment. The company designs and manufactures waterproof pushbutton, plunger, limit, rocker, pendant and thermal switches, along with LVDT and magnetostrictive linear position sensors. Its product lines are MIL-grade and qualified to military and aerospace standards such as MS-39058, MIL-STD-180 and DO-160C. Applications include military vehicles and tanks, naval vessels, aircraft auxiliary power units, subsea hydraulics and industrial equipment. CPI also offers custom engineered switches and legacy replacement parts for obsolete components. The company holds ISO 9001 certification and JOSCAR Level 2 accreditation for aerospace, defense and security supply chains. Its switches and sensors are manufactured in the USA.

Location

East Hanover, United States

Founded

1946

Legal name

Control Products, Inc.

NCAGE code

81901

Focus areas

waterproof switchesthermal switcheslinear position sensorsMIL-grademilitary switcheslimit switchespendant switchesplunger switchescustom switches

Languages

EN

Products & capabilities

Defense domains

Land Systems & VehiclesNaval SystemsAir Systems

Supply-chain role

Component SupplierContract Manufacturer

What they offer

HardwareComponentsEngineering Services

Markets

Also sells to civilian markets

Products

J4 Series Plunger and Ball Switches

Waterproof plunger and ball switch

Sealed, stainless steel waterproof switches with a patented ball carrier and exclusion seal, rated for harsh duty and submersion.

E1 Series Limit Switches

Waterproof limit switch

Sealed limit and interlock switches with mounting brackets and actuators for operator presence and position detection.

SL Series Linear Position Sensors

LVDT linear position sensor

Non-contacting LVDT position sensors for hydraulic cylinders, accumulators and subsea applications, including long-stroke and intrinsically safe versions.

CTU Series Draw Wire Sensors

Draw wire position sensor

Industrial grade draw wire position sensors with magnetostrictive transducer for stroke lengths up to 3 meters.

AD Series Thermal Switches

Thermal switch

Stand-alone bimetal and snap disc thermal switches that require no power, with high shock and vibration immunity.

M Series Thermal Switch

Aviation thermal switch

Thermal switch for aircraft APU and bleed air monitoring, rated 0 to 650F and qualified to DO-160C and MIL-STD-180.

X2 Series Thermal Switch

High temperature thermal switch

Flight-qualified thermal switch with range 0F to 1750F for fire detection and overtemperature sensing.

B Series Momentary Switches

Momentary pushbutton switch

MIL-grade sealed momentary pushbutton switches, including MS39058 variants, for military and industrial controls.

End users

Land ForcesNaval ForcesAir ForcesDefense Industry

Standards, platforms & customers

Defense standards

MS-39058MIL-STD-180MIL-I-45208RTCA DO-160C

Platforms & programmes

Sea-Slice

Named customers

US NavyBAE SystemsLockheed-MartinGeneral Dynamics Pomona Div.Cadillac GageTextron Lycoming

Credentials & affiliations

Certifications

ISO 9001

JOSCAR Level 2

ATEX

IECEx

UL/CSA Recognition

Awards

Qualitas Award

New Holland1997

Supplier Recognition Award

Bombardier1997

Key Supplier Award

John Deere Dubuque Works1998

Making A Real Impact

Vermeer2019

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