HPI Cylinders

What HPI Cylinders does

HPI Cylinders is a privately held, family-owned manufacturer of hydraulic and pneumatic cylinders, established in 1946 and operating from a single facility in Santa Fe Springs, California. The company produces a complete line of interchangeable NFPA cylinders spanning 1-1/2 inch to 20 inch bores with 23 standard mounting configurations, supplemented by custom-designed cylinders and welded-construction cylinders built to customer specifications. Manufacturing relies on in-house 3D CAD design and CNC machining on Mazak 640T, Mazatrol CAM T1/T2/T32, Fanuc 18M, and Fanuc 6T control systems, with the engineering team able to reverse-engineer complete cylinders or parts from samples, photographs, or sketches.

The business generates revenue from three streams: sale of new NFPA, custom, and welded cylinders (backed by a 3-year warranty), cylinder repair services for most major brands (rebuilt to like-new condition with a 1-year warranty, free evaluation, and 24-hour quote turnaround), and replacement parts and seal kits. Pricing is quote-based and not publicly disclosed. Distribution is primarily indirect, with products listed by Applied Industrial Technologies, Motion Industries, Kaman Direct, TISMCO, 4BDI, Sunset Industrial Parts, and Bay City Industrial, complemented by direct factory-rep sales calls and direct inbound via phone, fax, and email.

HPI sells into a horizontal industrial manufacturing customer segment — OEMs and MRO buyers needing cylinders for equipment operation, maintenance, and repair. The company markets itself on Made-in-USA domestic sourcing, 5-7 day lead times on most NFPA cylinders with 1-day expedite options, OEM blanket orders, and 75+ years of operational continuity. Marketing channels are limited to the company website, Instagram, Facebook, and a downloadable PDF catalog, with no evidence of digital commerce, no API surface, and no AI/ML capabilities described.

Name

HPI Cylinders

Legal name

HPI Cylinders

Website

https://hpicylinders.com

Company type

Private

Founded year

1946

Operating status

Operating

Headcount range

1–10 employees

Short description

HPI Cylinders is a family-owned, US-based manufacturer of hydraulic and pneumatic NFPA and custom cylinders, serving industrial OEMs and MRO buyers since 1946 via factory-direct sales and a multi-distributor channel.

Ownership category

akta.pro rank

Product category

Hydraulic and Pneumatic Cylinders

NAICS

Fluid Power Cylinder and Actuator Manufacturing (333995)

SIC

Special Industry Machinery (No Metalworking Machinery) (3550)

akta.pro primary industry

Pneumatic Components (FRLs, Cylinders, Valves) (IMAHAGAC)

akta.pro secondary industry

Hydraulic, Pneumatic & Fluid Power Systems MRO (Cylinders, Pumps, Valves, Hoses) (TLAKAHAI)

Keywords

• Hydraulic cylinders
• Pneumatic cylinders
• NFPA cylinder manufacturing
• Cylinder repair services
• Custom cylinder design

Headquarters

HQ city

Santa Fe Springs

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. New Cylinder Sales: Sale of manufactured NFPA cylinders and custom designed hydraulic and pneumatic cylinders, including welded construction cylinders. Products come with 3-year warranty.
2. Cylinder Repair Services: Repair services for most major cylinder brands, returning cylinders to like-new condition with 1-year warranty. Includes free repair evaluation and 24-hour quote on repairs.
3. Replacement Parts & Accessories: Seal kits, cylinder components, and accessories for NFPA cylinders and various cylinder brands

Go-to-market motion1 record

Distribution channels8 records

Marketing channels5 records

Core offering

HPI Cylinders is a family-owned US manufacturer of hydraulic and pneumatic cylinders established in 1946, producing a complete line of interchangeable NFPA cylinders ranging from 1-1/2" to 20" bore with 23 standard mounting configurations. The company also designs custom cylinders using 3D CAD technology, manufactures welded-construction cylinders, and provides cylinder repair services, reverse engineering from samples/photos/sketches, CNC machining services, and replacement parts and seal kits. New products carry a 3-year warranty and repairs carry a 1-year warranty, with 5-7 day lead times and 1-day expedite options available.

Product overview

HPI Cylinders offers a portfolio of hydraulic and pneumatic cylinder products centered on its core NFPA cylinder line (1-1/2" to 20" bore, 23 mounting configurations) supplemented by custom design and welded construction capabilities. The product range is extended through complementary services including cylinder repair to like-new condition, reverse engineering from samples, and CNC machining. The company also supplies replacement parts and seal kits as accessories. All new products carry a 3-year warranty, while repairs are backed by a 1-year warranty. The portfolio is distributed through industrial distributors and sold directly via factory rep sales calls.

Differentiator

Problem solved

Functional benefit

Products and services

• NFPA Cylinders Complete line of interchangeable NFPA hydraulic and pneumatic cylinders ranging from 1-1/2" to 20" bore with 23 standard mounting configurations. Manufactured in-house in the United States, backed by a 3-year warranty, with 5-7 day lead times and 1-day expedite options. Targeted at industrial manufacturers requiring standard NFPA-spec cylinders for machinery and equipment.
• Custom Designed Cylinders Custom-designed hydraulic and pneumatic cylinders developed in-house using the latest 3D CAD technology to solve complicated applications and improve performance and life expectancy of existing cylinders. Sold to industrial customers with unique cylinder requirements that off-the-shelf NFPA cylinders cannot address.
• Welded Construction Cylinders Custom welded construction hydraulic cylinders manufactured in-house for specialized applications. Provided to industrial customers requiring durable, application-specific cylinder solutions and backed by the standard 3-year new product warranty.
• Cylinder Repair Services Repair services for most major hydraulic and pneumatic cylinder brands, rebuilding and returning cylinders to like-new condition with a 1-year warranty. Includes free repair evaluation and 24-hour quote on repairs. Offered to industrial customers needing to minimize equipment downtime.
• Replacement Parts and Seal Kits Replacement parts and seal kits for NFPA cylinders and various cylinder brands, sold as standalone items to support maintenance and repair of existing cylinders. Targeted at industrial customers performing in-house cylinder servicing.

Quantifiable outcome

• 3-year warranty on new cylinders and 1-year warranty on repairs
• +2 more outcomes

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Applied Industrial TechnologiescoreChannel Partner/ Reseller/ DistributorMajor industrial distributor of HPI Cylinders products. Customers can find HPI products through Applied's product catalog search at applied.com.
• Motion IndustriescoreChannel Partner/ Reseller/ DistributorIndustrial distributor offering HPI Cylinder products through their product catalog search at motionindustries.com.
• Kaman DirectcoreChannel Partner/ Reseller/ DistributorIndustrial parts distributor (ec.kamandirect.com) carrying HPI Cylinder products as part of their hydraulic and pneumatic component offerings.
• TISMCOminorChannel Partner/ Reseller/ DistributorIndustrial distributor at tismc.com offering HPI Cylinder products.
• 4BDIminorChannel Partner/ Reseller/ DistributorIndustrial distributor at 4bdi.com carrying HPI Cylinder products.
• Sunset Industrial PartsminorChannel Partner/ Reseller/ DistributorIndustrial parts distributor carrying HPI Cylinder products.
• Bay City IndustrialminorChannel Partner/ Reseller/ DistributorIndustrial distributor offering HPI Cylinder products.

Scale indicators4 records

Recent moves1 record

Expansion highlights5 records

Direct peers

• Bimba Manufacturing: U.S.-based manufacturer of pneumatic, hydraulic, and electric actuators including stainless steel and NFPA-interchangeable cylinders. Highly comparable to HPI in product range, target industrial customers, and emphasis on catalog/standard cylinders with custom options.
• Prince Manufacturing: Manufacturer of hydraulic cylinders and components including welded and tie-rod constructions for agricultural, construction, and industrial equipment. Closely comparable to HPI in welded construction custom cylinders and NFPA-style product range, with similar mid-sized manufacturer profile.
• Magnum Cylinders: Manufacturer of custom hydraulic and pneumatic cylinders serving industrial, OEM, and replacement markets. Comparable to HPI in custom design, welded construction, and aftermarket/repair focus for industrial customers.
• American Cylinder (Airmatic): Distributor and rebuilder of pneumatic and hydraulic cylinders, including custom manufacturing and repair of major OEM brands. Comparable to HPI in MRO-driven business model combining cylinder repair, replacement parts, and custom builds for industrial customers.
• Custom Hydraulic Cylinder Manufacturer: Specialty hydraulic cylinder manufacturer focused on custom and replacement cylinders for industrial applications. Comparable to HPI in target customer (industrial MRO), product focus (custom hydraulic cylinders), and small-to-mid sized manufacturer profile.
• Hydrofit Industrial Sales: Independent hydraulic cylinder and component manufacturer and rebuilder specializing in custom cylinders and repair services. Highly comparable to HPI in combining new custom cylinder manufacturing with MRO repair of major brands for industrial customers.

Broad incumbents

• Eaton: Diversified industrial manufacturer with a fluid power division producing hydraulic and pneumatic cylinders for industrial and mobile applications. Competes with HPI in standard NFPA cylinders and aftermarket MRO channels, but offers a much broader product portfolio.
• Bosch Rexroth: Major manufacturer of hydraulic cylinders, pneumatic cylinders, and fluid power systems for industrial and mobile equipment. Overlaps directly with HPI's NFPA cylinder and custom welded-construction offering, but at a much larger global scale with OEM relationships HPI does not have.
• Parker Hannifin: Global diversified motion and control leader with a large hydraulic and pneumatic cylinder product line serving industrial, mobile, and aerospace markets. Comparable to HPI because Parker sets the competitive benchmark for NFPA and custom hydraulic cylinders that HPI sells against through shared distributors.
• Wipro Infrastructure Engineering (Hydroline): Hydraulic cylinder and component manufacturer (including Hydroline brand) serving mobile and industrial OEMs globally. Comparable in NFPA-style hydraulic cylinder manufacturing and custom welded cylinders, but at significantly greater scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/HPI-Cylinders-217777568245553
• Instagraminstagram.com/hpicylinders_1946
• Xx.com/hpi_cylinders

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about HPI Cylinders