IMO Pump
IMO Pump, a CIRCOR International business unit founded in 1931, manufactures rotary positive displacement three-screw pumps, CIG internal gear pumps, and marine centrifugal pumps for hydrocarbon processing, crude transport, Navy and commercial marine, power generation, and industrial machinery customers.
- Company typePrivate
- Founded1931
- HeadquartersMonroe, United States
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What IMO Pump does
IMO Pump, founded in 1931 in Sweden by Carl Montelius and Bengt Ingestrom as Aktiebolaget IMO-Industri, is a U.S.-headquartered manufacturer of rotary positive displacement three-screw pumps, CIG crescent internal gear pumps, and specialty marine centrifugal pumps. The company operates three ISO-certified manufacturing facilities — Monroe, NC (headquarters, R&D, ISO 9001), Columbia, KY (gear and high-volume three-screw pumps, ISO 9002), and Warren, KY (Warren centrifugal pumps) — and is a business unit of CIRCOR International (NYSE: CIR), which acquired the company in 2017. Its three-screw design, invented by founder Montelius in 1923, uses precisely calculated rotor thread profiles that prevent vibration and enable silent, high-speed, high-pressure operation; the company states "millions" of these pumps are in service globally.
The product portfolio spans more than 15 three-screw series (3E, 3D, 6D, 12D, 12L, Tritec, etc.) covering 1–3,300 GPM and pressures to 4,500 PSIG, plus 54 single and over 1,300 double CIG gear pump configurations rated to 5,000 PSIG, and Warren centrifugal pumps for marine seawater, cargo oil, and ballast service. IMO serves hydrocarbon and chemical processing, crude oil transport, Navy and commercial marine, power generation, pulp and paper, hydraulic elevators, and general industrial machinery. Pumps can be supplied to full US Navy shock, vibration, and noise specifications and hold ABS Type Approval (Nos. NN1732416, NN1732419) for marine applications.
Revenue is generated through hardware sales of pumps, aftermarket parts and repair kits (supported by a searchable parts database covering current and obsolete models), and professional services tied to documentation and technical support. The go-to-market is enterprise field sales via U.S./Canadian and Latin American regional representative networks, augmented by the Colfax Fluid Handling Pump Selector Program (cfx-selector.com), the CentralApps portal for parts ordering and order status, and an extensive content library (PumpTips knowledge base, service manuals in English and Spanish, CAD drawings). Pricing is quote-based with no public disclosure. IMO holds no standalone funding; growth is funded through its parent CIRCOR.
IMO Pump firmographics
Firmographics- Name
- IMO Pump
- Legal name
- CIRCOR Pumps North America, LLC
- Website
- https://imo-pump.com
- Company type
- Private
- Founded year
- 1931
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- IMO Pump, a CIRCOR International business unit founded in 1931, manufactures rotary positive displacement three-screw pumps, CIG internal gear pumps, and marine centrifugal pumps for hydrocarbon processing, crude transport, Navy and commercial marine, power generation, and industrial machinery customers.
- Ownership category
- akta.pro rank
IMO Pump industry classification
Industry- Product category
- Industrial positive displacement pumps
- NAICS
- Pump and Compressor Manufacturing (33391), Fluid Power Pump and Motor Manufacturing (333996), Measuring, Dispensing, and Other Pumping Equipment Manufacturing (333914)
- SIC
- Pumps & Pumping Equipment (3561), Oil & Gas Field Machinery & Equipment (3533)
- akta.pro primary industry
- Positive Displacement Pumps (IMAHANAB)
- akta.pro secondary industries
- Centrifugal Pumps (IMAHANAA), Specialty & Metering Pumps (IMAHANAC)
Keywords
Where IMO Pump is headquartered
LocationHeadquarters
- HQ city
- Monroe
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
IMO Pump business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Industrial Pump Sales: Imo Pump generates revenue through the manufacture and sale of rotary positive displacement 3-screw pumps, gear pumps (CIG series), and specialty marine centrifugal pumps. Products are sold directly through regional sales representatives and through the CIRCOR sales network.
- Parts and Repair Kits: The company maintains a searchable database of parts lists for 3-screw and gear pumps, including major and minor repair kits, and support for older obsolete pumps. This provides ongoing revenue from aftermarket parts and service.
- Service Manuals and Documentation: Comprehensive service manuals available for download covering installation, operation, and maintenance instructions for all pump series, including troubleshooting guides in multiple languages.
Go-to-market motion1 record
Distribution channels5 records
Marketing channels6 records
IMO Pump product offering
Product offeringCore offering
IMO Pump manufactures rotary positive displacement three-screw pumps and CIG Crescent Internal Gear pumps, plus specialty marine centrifugal pumps. The company supplies engineered pump models and aftermarket parts and repair kits through regional field sales representatives serving industrial, hydrocarbon processing, marine, and military customers across North America and Latin America, supported by ISO 9001/9002 production and ABS/US Navy qualified manufacturing.
Product overview
IMO Pump is a manufacturer of rotary positive displacement pumps, producing three distinct core product lines: 3-Screw Pumps (invented by founder Carl Montelius in 1931 as the world's first multiple screw pump), CIG (Crescent Internal Gear) Pumps, and Navy/Marine Pumps including centrifugal pumps from the Warren facility. The 3-Screw Pumps product line comprises over 15 series variants (3E, 3G, 3D, 6D, 12D, 12L, 4U/4T, 6U/6T, 8L, 413IC, C324, T324, 323F, Emtec, Tritec, 4SFC, 4VKC, USNP/4PIC) serving flow rates from 1 to 3300 GPM and pressures up to 4500 PSIG. The company also provides supporting tools including the Colfax Fluid Handling Pump Selector Program, a searchable parts database, downloadable service manuals, CAD drawings, and technical resources. Manufacturing is conducted under ISO 9001 Quality Management Systems at Monroe, NC (headquarters and R&D) and Columbia, KY facilities. IMO Pump is a business unit of CIRCOR, acquired in 2017.
Differentiator
Problem solved
Functional benefit
Brands
- CIG (Crescent Internal Gear): CIG pumps feature a patented tooth profile that avoids trapping fluid, resulting in very low pulsation and extremely quiet high efficiency operation. Available in 54 different single pump models and over 1300 double pump combinations.
- Warren
- Houttuin
Products and services
- 3-Screw Pumps Rotary positive displacement three-screw pumps in multiple series (3E, 3G, 3D, 6D, 12D, 12L, 4U/4T, 6U/6T, 8L, 413IC, C324, T324, 323F, Emtec, Tritec, 4SFC, 4VKC, USNP/4PIC) covering flow rates from 1 to 3,300 GPM and pressures up to 4,500 PSIG; used for machinery lubrication, fuel oil transport, hydraulic elevators, powering hydraulic machinery, and refinery processes for high temperature viscous products such as asphalt, vacuum tower bottoms, and residual fuel oils.
- CIG (Crescent Internal Gear) Pumps Internal gear pumps with patented CIG tooth profile that avoids trapping fluid, delivering very low pulsation and extremely quiet high-efficiency operation; available in 54 single-pump models and over 1,300 double-pump combinations with flow rates from 1 to 125 GPM and continuous pressure ratings up to 5,000 PSIG, primarily for fluid power applications and aircraft fuel test stands.
- Navy/Marine Pumps 3-screw pumps supplied for engine room services on commercial and military vessels, including fuel oil transfer, boost, stripping, and burner service, handling fuels from heavy bunker fuels to light jet fuels; available in commercial marine standards or full U.S. Navy military specifications including shock, vibration, and noise requirements.
- Warren Centrifugal Pumps Commercial marine and full combat ship capable centrifugal pumps manufactured at the Warren facility for all seawater applications as well as fresh, chilled, condensate, feed, and potable water for Navy and Commercial Marine vessels, plus centrifugal pumps for cargo oil and ballast applications.
Quantifiable outcome
- Millions of three-screw pumps in service worldwide in thousands of different applications
- +3 more outcomes
Companies that use IMO Pump
Customer profileNamed customers2 records
Segments7 records
Ideal customer profiles4 records
IMO Pump technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
IMO Pump partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- CircorflagshipImo Pump is a business unit of Circor, purchased by Circor in 2017. Circor is an industrial company specializing in highly engineered flow control products and services. Imo Pump operates as part of CIRCOR Pumps North America, LLC.
Scale indicators6 records
Recent moves3 records
Expansion highlights5 records
IMO Pump competitors and assessment
Company assessmentBroad incumbents
- Flowserve Corporation: Global broad-line industrial pump manufacturer with substantial positions in positive displacement, centrifugal, and specialty pumps for chemical, oil & gas, power, and marine markets - overlapping with IMO Pump's served applications at much larger scale.
Direct peers
- Roper Pump Company: Manufacturer of rotary positive displacement gear pumps for industrial, oil & gas, and chemical applications - directly comparable to IMO Pump's gear pump and screw pump product families.
- Viking Pump: Manufacturer of positive displacement pumps (internal gear, external gear, lobe, and screw) for hydrocarbon, chemical, and general industrial applications - directly overlapping with IMO Pump's three-screw and gear pump product lines.
- Maag Pump & Filtration (Dover): Manufacturer of internal and external gear pumps serving chemical, polymer, and food applications - direct comparable to IMO's CIG gear pump portfolio for fluid power and process handling.
- Houttuin (CIRCOR): Sister brand within the CIRCOR Pumps North America portfolio, producing internal gear pumps (Types 249.40, 216.10, 216.40, etc.) that compete directly with IMO's CIG gear pump line in fluid power applications.
- Allweiler: CIRCOR sister brand manufacturing centrifugal and screw pumps for marine, power, and chemical applications - operating under the same parent company with direct product overlap.
- SEEPEX: Specialist manufacturer of progressive cavity (single-screw) pumps used across municipal, industrial, and chemical applications - a direct competing screw-pump technology to IMO's three-screw designs.
- Blackmer: PSG Dover brand producing rotary positive displacement sliding-vane and eccentric disc pumps for hydrocarbon transport, chemical, and marine applications - directly comparable to IMO Pump's rotary positive displacement portfolio.
- Netzsch Pumpen & Systeme: German manufacturer of positive displacement (screw, progressing cavity) and centrifugal pumps for chemical, food, and wastewater applications - comparable in product technology and industrial end-markets.
- Tuthill Corporation (Pump & Meter Group): Producer of internal gear pumps, centrifugal pumps, and magnet drive sealless pumps serving chemical, petroleum, and general industry - direct overlap with IMO's CIG and marine centrifugal lines.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
IMO Pump social profiles
Digital presenceIMO Pump compliance and trust
Trust signalCompliance4 records
IMO Pump financial estimates
Financial estimateRevenue estimate
Valuation estimate
IMO Pump leadership team
Management profileNumber of profiles
Profiles2 records
IMO Pump funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
IMO Pump M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about IMO Pump
What does IMO Pump do?
IMO Pump manufactures rotary positive displacement three-screw pumps and CIG Crescent Internal Gear pumps, plus specialty marine centrifugal pumps. The company supplies engineered pump models and aftermarket parts and repair kits through regional field sales representatives serving industrial, hydrocarbon processing, marine, and military customers across North America and Latin America, supported by ISO 9001/9002 production and ABS/US Navy qualified manufacturing.
Is IMO Pump a public or private company?
IMO Pump is a private company. It is classified as corporate owned and is currently operating.
When was IMO Pump founded?
IMO Pump was founded in 1931. It employs 51 to 100 people.
Where is IMO Pump based?
IMO Pump is headquartered in Monroe, United States, in the North America region.
How does IMO Pump make money?
Three revenue lines are on record. Industrial Pump Sales are the primary driver. The others are parts and Repair Kits and service Manuals and Documentation.
Who are IMO Pump's main competitors?
Flowserve Corporation is listed as a broad incumbent. Direct peers are Roper Pump Company, Viking Pump, Maag Pump & Filtration (Dover), Houttuin (CIRCOR), Allweiler, SEEPEX, Blackmer, Netzsch Pumpen & Systeme and Tuthill Corporation (Pump & Meter Group).
Does IMO Pump have an API?
No public API is recorded for IMO Pump.
What industry is IMO Pump in?
IMO Pump's product category is Industrial positive displacement pumps. Its primary akta.pro industry code is IMAHANAB, Positive Displacement Pumps, with a secondary code of IMAHANAA, Centrifugal Pumps. Its NAICS code is 33391 and its SIC code is 3561.