# Curtis Instruments

> Curtis Instruments, Inc. is a Parker Hannifin company founded in 1960 that develops and manufactures electrification technologies—including motor-speed controllers, battery-management systems, vehicle instrumentation, power-conversion and input devices—for electric and hybrid vehicles and mobile equipment.

Company page on Leadbay: https://mad-max.leadbay.ai/company/curtisinstruments.com · loaded 2026-10-30

## At a glance

- Website: https://curtisinstruments.com
- Team based in: Mount Kisco (Leadbay's record; Sources disagree: Mt. Kisco (curtisinstruments.com, a company database))
- Registered: California (no. 1266865) (register)
- Registry: California Secretary of State 1266865
- Founded: 1960 (careers.curtisinstruments.com and 2 more)
- Industry: Appliances, Electrical, and Electronics Manufacturing
- Employees: 1000 (employees and founders, investors not counted; ny-best.org; Sources disagree: 531 (curtisinstruments.com, a company database))
- Total funding: $1.9M (curtisinstruments.com and 1 more)
- Backed by: Parker Hannifin, Rehlko, Platinum Equity, Kohler, Eugene Finger (Vice president, technical advisor and director)
- Seen in its site's code: Google Analytics (googletagmanager.com/gtag/js), Cloudflare (cdnjs.cloudflare.com) (read 2026-10-30)
- Phone: (914) 666-2971
- Address: 200 KISCO AVENUE
MOUNT KISCO, NY 10549

## What it sells, to whom

- Curtis Instruments, Inc. is a Parker Hannifin company founded in 1960 that develops and manufactures electrification technologies—including motor-speed controllers, battery-management systems, vehicle instrumentation, power-conversion and input devices—for electric and hybrid vehicles and mobile equipment. ([curtisinstruments.com](https://www.curtisinstruments.com/), [curtisinstruments.com](https://www.curtisinstruments.com/videos/about/), [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition))

## Why it stands out

- Stuart Marwell received Rehlko’s CEO Award of Excellence in 2025; he was also recognized as Humanitarian of the Year by the Boys & Girls Club of Northern Westchester (2014) and Neighbors Link (2016). ([curtisinstruments.com](https://www.curtisinstruments.com/news/))
- Curtis California was reported by the company as a Best Place to Work in 2016, and the Mount Kisco location as a top New York company to work for; these are historical workplace recognitions. ([curtisinstruments.com](https://www.curtisinstruments.com/news/))
- Competes with: Specific competitors are not explicitly identified in the cited primary sources. Curtis competes broadly with suppliers of electric-vehicle motor controllers, battery-management systems, vehicle instrumentation, power conversion and integrated electrification systems, including Parker Hannifin’s adjacent offerings. ([cbinsights.com](https://www.cbinsights.com/company/curtis-instruments), [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/485/parker-to-acquire-curtis-instruments-expanding))

## Products and services

- Motor speed controllers for electric vehicles and mobile equipment. ([curtisinstruments.com](https://www.curtisinstruments.com/), [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition), [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_ivtexpo-smartelectrification-offhighway-activity-7490080007181053952-b6g1))
- Battery-management systems and battery-monitoring gauges. ([curtisinstruments.com](https://www.curtisinstruments.com/), [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition), [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_ivtexpo-smartelectrification-offhighway-activity-7490080007181053952-b6g1))
- Vehicle instrumentation, panels, HMI displays and input devices. ([curtisinstruments.com](https://www.curtisinstruments.com/), [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition), [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_ivtexpo-smartelectrification-offhighway-activity-7490080007181053952-b6g1))
- Power-conversion products and CAN/I/O controls. ([curtisinstruments.com](https://www.curtisinstruments.com/), [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition), [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_ivtexpo-smartelectrification-offhighway-activity-7490080007181053952-b6g1))
- Integrated electric-vehicle system solutions and engineering support. ([curtisinstruments.com](https://www.curtisinstruments.com/), [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition), [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_ivtexpo-smartelectrification-offhighway-activity-7490080007181053952-b6g1))
- Aftermarket golf-cart controllers for Club Car and E-Z-GO replacements. ([curtisinstruments.com](https://www.curtisinstruments.com/), [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition), [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_ivtexpo-smartelectrification-offhighway-activity-7490080007181053952-b6g1))

## Customers and markets

- **Customers**: OEMs and system integrators in materials handling, medical mobility, and on-road/off-road electric-vehicle markets., Parker describes Curtis’s principal applications as in-plant material handling and off-highway markets. ([peprofessional.com](https://peprofessional.com/2025/07/platinums-rehlko-sells-curtis-instruments-to-parker-hannifin/), [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/485/parker-to-acquire-curtis-instruments-expanding))
- **Markets**: In-plant material handling: forklifts, pallet trucks and related warehouse vehicles. ([ivtinternational.com](https://www.ivtinternational.com/news/hybrid-electric-vehicles/conexpo-video-parker-and-curtis-join-forces-to-electrify-vehicles-and-hydraulics.html), [curtisinstruments.com](https://www.curtisinstruments.com/news/), [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_parker-curtis-motor-controller-scalability-activity-7432428573266984960-kN25))
- **Markets**: Off-highway and mobile machinery, including electric and hybrid vehicles, hydraulic equipment, lifts and construction/agricultural equipment. ([ivtinternational.com](https://www.ivtinternational.com/news/hybrid-electric-vehicles/conexpo-video-parker-and-curtis-join-forces-to-electrify-vehicles-and-hydraulics.html), [curtisinstruments.com](https://www.curtisinstruments.com/news/), [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_parker-curtis-motor-controller-scalability-activity-7432428573266984960-kN25))

## Team

- Basar Alp, Vice President Of Engineering and Innovation
- David Matthews, Vice President Asian Operations

Backed by: Parker Hannifin, Rehlko, Platinum Equity, Kohler, Eugene Finger

## Latest news

- 2025-10-07 · [Parker Hannifin's Purchase of Curtis Instruments Among Biggest Mid-Market Deals in September](https://www.themiddlemarket.com/data-analysis/parker-hannifins-purchase-of-curtis-instruments-among-biggest-mid-market-deals-in-september) (themiddlemarket.com)
- 2025-07-01 · [Platinum’s Rehlko Sells Curtis Instruments to Parker Hannifin](https://peprofessional.com/2025/07/platinums-rehlko-sells-curtis-instruments-to-parker-hannifin/) (peprofessional.com)
- 2025-06-30 · [Parker to Acquire Curtis Instruments, Expanding Electrification Offering :: Parker-Hannifin Corporation (PH)](https://investors.parker.com/news-events/press-releases/detail/485/parker-to-acquire-curtis-instruments-expanding) (investors.parker.com)
- 2022-01-10 · [Kohler Co. Acquires Curtis Instruments to Drive Electrification Efforts](https://www.prnewswire.com/news-releases/kohler-co-acquires-curtis-instruments-to-drive-electrification-efforts-301457323.html) (prnewswire.com)

## Where to find more

- [This page in Markdown, for agents](https://mad-max.leadbay.ai/company/curtisinstruments.com.md)

## Decision makers

- [Basar Alp](https://mad-max.leadbay.ai/person/basar-alp--curtisinstruments.com.md), Vice President Of Engineering and Innovation
- [David Matthews](https://mad-max.leadbay.ai/person/david-matthews--curtisinstruments.com.md), Vice President Asian Operations

Work emails and direct phones come with a Leadbay account: https://wow.leadbay.ai/?register=true

Where it comes from: 20 sites read (curtisinstruments.com, investors.parker.com, linkedin.com, peprofessional.com, cbinsights.com, careers.curtisinstruments.com, ccpc.ie, prnewswire.com, …).

## Best angle

2026-09-17 · Partnership: A great new resource for our customers and partners in Europe. (1 source)

## Best way in

- Call the front desk, (914) 666-2971: The front desk, in Leadbay's record, verified 2026-03-29

## Signals: what happened

- 2026-10-01 · Traffic: Site visits up 44% in 3 months, 34,303 a month (1 source: [A company database](https://www.curtisinstruments.com/))
- 2026-09-17 · Partnership: A great new resource for our customers and partners in Europe. (1 source: [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_a-great-new-resource-for-our-customers-and-activity-7506395385301581825-YHHd))
- 2026-08-03 · Events: Steer-by-wire is changing what’s possible in off-highway machine design—but getting it right means addressing performance, control, and safety from the start. Join Parker experts for an on-demand technical webinar created specifically for … (2 sources: [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_ivtexpo-smartelectrification-offhighway-activity-7490080007181053952-b6g1), [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_steer-by-wire-designing-safe-scalable-steering-activity-7503807991922630658-kBDd))
- 2026-03-04 · Interviews: Listen to Mark Ankers explain how the combined Parker-Curtis electrification portfolio creates scalable solutions for OEMs in this CONEXPO-CON/AGG interview with iVT Industrial Vehicle Technology International: (1 source: [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_listen-to-mark-ankers-explain-how-the-combined-activity-7435026264417058816-z9LR))
- 2025-11-13 · News: Live from AGRITECHNICA! Visit Curtis + Parker in Hall 16, Booth C25 and see how we’re powering the next generation of agricultural machines. (1 source: [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_farming-solutions-that-are-smart-sustainable-activity-7394742094931718145-WkuZ))
- 2025-11-10 · News: AGRITECHNICA is here! The world’s leading trade fair for agricultural machinery is happening this week: November 9–15 in Hannover, Germany! (1 source: [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_agritechnica2025-parkerhannifin-curtisinstruments-activity-7393649583228321795-eEFD))
- 2025-10-17 · News: Curtis Instruments will join Parker Hannifin at Equip Exposition! (1 source: [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_curtis-instruments-will-join-parker-hannifin-activity-7384926826558676992-6COV))
- 2025-10-07 · News: Parker Hannifin's Purchase of Curtis Instruments Among Biggest Mid-Market Deals in September (1 source: [themiddlemarket.com](https://www.themiddlemarket.com/data-analysis/parker-hannifins-purchase-of-curtis-instruments-among-biggest-mid-market-deals-in-september))
- 2025-09-18 · News: Parker Completes Curtis Instruments Acquisition :: Parker-Hannifin Corporation (PH) (1 source: [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition))
- 2025-09-18 · Projects: Parker Hannifin completed its approximately $1 billion cash acquisition of Curtis from Rehlko (3 sources: [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition), [curtisinstruments.com](https://www.curtisinstruments.com/news/), [linkedin.com](https://www.linkedin.com/posts/curtis-instruments_ivtexpo-smartelectrification-offhighway-activity-7490080007181053952-b6g1))
- 2025-07-01 · News: Platinum’s Rehlko Sells Curtis Instruments to Parker Hannifin (1 source: [peprofessional.com](https://peprofessional.com/2025/07/platinums-rehlko-sells-curtis-instruments-to-parker-hannifin/))
- 2025-06-30 · News: Parker to Acquire Curtis Instruments, Expanding Electrification Offering :: Parker-Hannifin Corporation (PH) (1 source: [investors.parker.com](https://investors.parker.com/news-events/press-releases/detail/485/parker-to-acquire-curtis-instruments-expanding))

## Working on now

- Parker-Curtis integration: combining Curtis motor controls, instrumentation, power conversion and input devices with Parker motors, motion-control, hydraulic and pneumatic technologies for mobile machinery and electrification.
- New AC F16-R low-voltage AC motor controller launched in February 2026 for electric traction, hydraulic pumps and hybrid on-engine generator systems; additional 144-700-001 and resolver variants were planned for 2026.
- Scaling electrification from compact electric vehicles to high-power off-highway equipment, with a stated 1–250 kW motor-control range and low- through high-voltage solutions.
- European operations are being coordinated under a new General Manager, Ruslan Papazyan, covering manufacturing in Bulgaria plus UK planning/quality and German logistics.
- Curtis appointed Rich Corcoran Director of SIOP and Master Planning to strengthen global demand planning, fulfillment and operational responsiveness.

From: [CONEXPO VIDEO: Parker and Curtis join forces to electrify vehicles and hydraulics | Industrial Vehicle Technology International](https://www.ivtinternational.com/news/hybrid-electric-vehicles/conexpo-video-parker-and-curtis-join-forces-to-electrify-vehicles-and-hydraulics.html), [🚀 Product Launch | AC F16-R ⚡](https://www.linkedin.com/feed/update/urn:li:activity:7427295738898018304), [News From Curtis](https://www.curtisinstruments.com/news/), [From Low Voltage to High Power Electrification — One Scalable Portfolio | Curtis Instruments](https://www.linkedin.com/posts/curtis-instruments_parker-curtis-motor-controller-scalability-activity-7432428573266984960-kN25), [Parker Completes Curtis Instruments Acquisition :: Parker-Hannifin Corporation (PH)](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition)

## Summary

Curtis Instruments, Inc. is a global developer and manufacturer of motor speed controllers, instrumentation, battery monitoring systems, and power conversion devices for electric and hybrid vehicles. Founded in 1960 by Edward Marwell and Curtis Beusman, the company serves original equipment manufacturers (OEMs) and system integrators in the material handling, construction, agriculture, medical mobility, and golf/recreational vehicle markets. As of September 18, 2025, Curtis Instruments is a subsidiary of Parker-Hannifin Corporation, which acquired the company from Rehlko for approximately $1 billion. Curtis maintains operations across multiple international engineering and manufacturing sites.

[1]: https://www.curtisinstruments.com/news/?id=250 "News From Curtis | Curtis Instruments"
[2]: https://www.curtisinstruments.com/ "Curtis Instruments, Inc. | World leading electric vehicle technology, integrated EV systems and engineering support."
[3]: https://www.curtisinstruments.com/industry/ "Solutions by Industry | Curtis Instruments"
[4]: https://careers.curtisinstruments.com/handbookca/chapter-1 "Chapter 1 :: Curtis Instruments Employment"
[5]: https://peprofessional.com/2025/07/platinums-rehlko-sells-curtis-instruments-to-parker-hannifin/ "Platinum’s Rehlko Sells Curtis Instruments to Parker Hannifin"
[6]: https://www.ccpc.ie/enforcement-and-regulation/mergers/find-a-merger-case/details/parker-hannifin-curtis-instruments "Parker Hannifin/Curtis Instruments | CCPC"
[7]: https://www.prnewswire.com/news-releases/kohler-co-acquires-curtis-instruments-to-drive-electrification-efforts-301457323.html "Kohler Co. Acquires Curtis Instruments to Drive Electrification Efforts"
[8]: https://www.curtisinstruments.com/company/research-and-development/ "Research & Development | Curtis Instruments"

## Sources

- [Curtis Instruments, Inc.'s website](https://curtisinstruments.com)
- [CONEXPO VIDEO: Parker and Curtis join forces to electrify vehicles and hydraulics | Industrial Vehicle Technology International](https://www.ivtinternational.com/news/hybrid-electric-vehicles/conexpo-video-parker-and-curtis-join-forces-to-electrify-vehicles-and-hydraulics.html)
- [🚀 Product Launch | AC F16-R ⚡](https://www.linkedin.com/feed/update/urn:li:activity:7427295738898018304)
- [News From Curtis | Curtis Instruments](https://www.curtisinstruments.com/news/)
- [From Low Voltage to High Power Electrification — One Scalable Portfolio | Curtis Instruments](https://www.linkedin.com/posts/curtis-instruments_parker-curtis-motor-controller-scalability-activity-7432428573266984960-kN25)
- [Parker Completes Curtis Instruments Acquisition :: Parker-Hannifin Corporation (PH)](https://investors.parker.com/news-events/press-releases/detail/491/parker-completes-curtis-instruments-acquisition)