About Keystone Engineering Company
Keystone Engineering Company is a company based in Long Beach (United States) founded in 1907 was acquired by PCX Aerostructures in September 2022. Keystone Engineering Company offers products and services including Precision Machining, Flight-Critical Assemblies, Transmissions and Gearboxes, Structural Airframe Assemblies, and Composite Wrapped Fuel Tanks. Keystone Engineering Company operates in a competitive market with competitors including Dhruva Space, Sierra Space, NanoRacks, Hadrian and Manastu Space, among others.
- Headquarter Long Beach, United States
- SectorsAerospace, Defense & Maritime
- Website keyengco.com
- Social LinkedIn X
- Acquired by PCX Aerostructures (Sep 2022)
- InvestorsPCX Aerosystems
& 1 more
- Acquired by
Products & Services of Keystone Engineering Company
Keystone Engineering Company offers a comprehensive portfolio of products and services, including Precision Machining, Flight-Critical Assemblies, Transmissions and Gearboxes, Structural Airframe Assemblies, and Composite Wrapped Fuel Tanks.
Delivers advanced machining for aerospace and defense components.
Produces mechanical assemblies for critical flight applications.
Manufactures high-precision gear systems for aerospace use.
Creates structural parts for defense and space vehicles.
Fabricates fuel tanks for satellite and launch applications.
Investors in Keystone Engineering Company
Keystone Engineering Company has secured backing from 2 investors, including venture fund investors. Prominent investors backing the company include PCX Aerosystems and Cornerstone Capital Holdings.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
A diversified holding company focused on industrial and aerospace investments. | – | cstonecapital.com | Fort Worth, United States | |
PCX Aerosystems is engaged in precision aerospace manufacturing. | 1900 | pcxaero.com | Hartford, United States |
Investor details for Keystone Engineering Company
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People of Keystone Engineering Company
16 people are tracked at Keystone Engineering Company (13 in leadership, 3 in team).
| Name | Role | Group |
|---|---|---|
Jason Apelquist | Chief Commercial Officer (cco) | Leadership |
Tom Holzthum | Chief Executive Officer | Leadership |
Aprille Foz | Director Of Contracts | Leadership |
Darlyn Shackelford | Director Of Finance | Leadership |
Trevor Hartman | Vice President - Sales & Marketing | Leadership |
Jeff McRae | Interim CFO | Leadership |
Jacqueline Cadena | Director, Human Resources | Leadership |
Matthew Brush | Chief Human Resources Officer | Leadership |
Aris Fotos | President | Leadership |
Colleen B. | Director Of IT | Leadership |
Arthur Nowik | Director Of Engineering And Quality | Leadership |
Bill Boyd | Vice President Operational Excellence | Leadership |
Greg Cusimano | President | Leadership |
Daniel Guido | Engineering Supervisor | Team |
Olivia Scalise | Corporate Assistant Controller | Team |
Jorge C. | Accounting Associate | Team |
Complete people profiles for Keystone Engineering Company
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Timeline of Keystone Engineering Company
3 dated milestones of Keystone Engineering Company across 115 years, from founding to its latest funding, stage changes and deals.
- Founded Keystone Engineering Company is founded.
- Exit Acquired by Cornerstone Capital Holdings.
- Exit Acquired by PCX Aerostructures.
Competitors of Keystone Engineering Company
Keystone Engineering Company operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Dhruva Space, Sierra Space, NanoRacks, Hadrian and Manastu Space, among others.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| dhruvaspace.com | 2012 | Hyderabad, India | $16.06M | 150 | Provider of full stack space engineering solutions | |
| sierraspace.com | 2008 | Broomfield, United States | $1.74B | 1,023 | Engineering solutions are developed for space transportation, habitation, and applications. | |
| nanoracks.com | 2009 | Houston, United States | $2.6M | 55 | Space habitats are manufactured for microgravity research facilities. | |
| hadrian.co | 2020 | Palo Alto, United States | $493.67M | 1 | Hadrian is involved in manufacturing for future technologies. | |
| manastuspace.com | 2017 | Mumbai, India | $6.71M | 77 | Green propulsion systems for satellites are manufactured using hydrogen peroxide. | |
| trueanomaly.space | 2022 | Denver, United States | $384.62M | 51 | Materials and products for space solutions are developed. | |
| open-cosmos.com | 2015 | Harwell, United Kingdom | $57.66M | 43 | Nano-satellite platforms and mission launch services are offered. | |
| intuitivemachines.com | 2013 | Houston, United States | – | 382 | Systems and solutions for space services are developed. | |
| siftstack.com | 2023 | El Segundo, United States | $25M | – | Software stack for space solutions is developed and provided. |
Detailed competitors of Keystone Engineering Company
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Latest news on Keystone Engineering Company
Complete news archive for Keystone Engineering Company
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Similar companies to Keystone Engineering Company
10 companies that operate in the same segment as Keystone Engineering Company (Space Research & Technology), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
AI-based software suites are developed for navigation applications. | 1893 | Paris, France | – | USD 26.01 B | 83,020 | |
Cloud-based satellite imagery data and analytics solutions are provided. | 2010 | San Francisco, California, United States | USD 666.69 M | USD 307.73 M | 970 | |
Astra is engaged in providing space launch services. | 2016 | Alameda, California, United States | USD 136.93 M | – | – | |
Reusable launch vehicles for large payloads are developed and launched. | 2002 | Hawthorne, California, United States | USD 11.86 B | – | 13,612 | |
Reusable launch vehicles for small satellite payloads are provided. | 2006 | Long Beach, California, United States | USD 215 M | USD 436.21 M | 2,100 | |
Provider of space launch services using Vikram series launch vehicles | 2018 | Hyderabad, Telangana, India | USD 99.84 M | USD 3.39 M | 247 | |
Satellite-based imaging solutions are provided using synthetic aperture radar. | 2016 | Palo Alto, California, United States | USD 233.99 M | – | 191 | |
AI and microsatellite-based imaging solutions are developed for data monitoring. | 2014 | Espoo, Finland | USD 1.16 B | – | – | |
Satellite hardware is provided for space data constellations. | 2013 | Irvine, California, United States | USD 136 M | – | – | |
Private aerospace manufacturing and commercial launch solutions are provided. | 2017 | Chennai, Tamil Nadu, India | USD 72.14 M | – | 241 |
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Frequently Asked Questions about Keystone Engineering Company
Keystone Engineering Company was founded in 1907.
Keystone Engineering Company is headquartered in Long Beach, United States. It is registered at Long Beach, California, United States.
Keystone Engineering Company was founded in 1907 and operates in the aerospace and defense sector. Engineered products, including propellant management systems, lightweight propellant and pressure storage tanks, and spun components for satellites and launch vehicles, are designed, manufactured, and sold. Additional items such as airborne warning and control systems and aircraft bearings are provided for critical flight-weight applications. The company is based in Long Beach, United States.
Keystone Engineering Company's top competitors include Dhruva Space, Manastu Space and Sierra Space.
Keystone Engineering Company offers Precision Machining, Flight-Critical Assemblies, Transmissions and Gearboxes, Structural Airframe Assemblies, and Composite Wrapped Fuel Tanks.
Keystone Engineering Company has 2 investors. Key investors include PCX Aerosystems, and Cornerstone Capital Holdings.
Yes. Keystone Engineering Company was acquired by PCX Aerostructures in September 2022.

