J. D. Cousins

What J. D. Cousins does

J.D. Cousins, Inc. is a privately held, family-owned custom industrial fabrication company headquartered in Buffalo, New York. The company designs, engineers, and fabricates heat transfer and process equipment — primarily shell-and-tube heat exchangers, steam condensers, distillation columns and evaporators, ASME Code Section VIII pressure vessels, and API 650/620 storage tanks — for U.S. industrial customers. Operations have run continuously from a 2.9-acre, 25,000+ square-foot facility on Tifft Street since 1904, supported by heavy fabrication equipment including 30-ton overhead cranes, plate rollers, a CNC plasma table, and a 50-inch vertical boring mill. Materials handled range from plain carbon and stainless steel to titanium and high-performance nickel alloys, enabling builds that fall outside standard catalog offerings, particularly oversized units up to 65,000+ pounds.

The company was originally founded as J.D. Cousins and Sons in 1867, acquired Howard Iron Works in 1904, and obtained ASME Code certification post-WWII as the 219th company in North America. Nelson and Gregory Pauly purchased the firm in 1976 and remain the owners. Revenue is generated almost entirely through project-based custom fabrication contracts — each unit is designed to customer specifications and priced individually — supplemented by a smaller repair, refurbishment, and replacement-parts service line. The proprietary EconoCool closed-loop evaporative cooling technology and EconoCooler product line represent an internally developed technical differentiator, particularly for specialized applications such as submerged arc furnace cooling in silicon metal production.

The go-to-market model is direct enterprise field sales: the engineering team engages customers from concept through delivery via email, phone, and in-person consultation, with no resellers or distribution intermediaries. Customers are concentrated in six verticals — chemical processing, pharmaceutical, pulp & paper, power generation, refining/gas-oil, and compressor stations — with the U.S. as the primary market and some Canadian project work. Reported throughput is approximately 150 completed projects per year with roughly 30 in progress at any given time. The firm maintains minimal digital surface (LinkedIn presence, project showcase on website) and no disclosed funding, institutional investment, or external capital.

Name

J. D. Cousins

Legal name

J.D. Cousins, Inc.

Website

https://jdcousins.com

Company type

Private

Founded year

1867

Operating status

Operating

Headcount range

11–50 employees

Short description

J.D. Cousins is a family-owned Buffalo, NY custom industrial fabricator designing and building ASME Code-certified heat exchangers, pressure vessels, columns, evaporators, and API tanks for chemical, pharmaceutical, refining, power generation, and silicon metal customers across the U.S.

Ownership category

akta.pro rank

Product category

Custom Industrial Process Equipment Manufacturing

NAICS

Power Boiler and Heat Exchanger Manufacturing (33241), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414)

SIC

Heating Equipment, Except Electric & Warm Air Furnaces (3433), Fabricated Plate Work (Boiler Shops) (3443)

akta.pro primary industry

Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)

akta.pro secondary industries

Pressure Vessels, Columns & Storage Tanks (ASME/Process Vessels) (IMAHAEAF), Boilers, Furnaces & Process Heating Equipment (IMAHAKAD)

Keywords

• Custom pressure vessels
• Shell tube heat exchangers
• ASME code fabrication
• Industrial process equipment
• API tank manufacturing

Headquarters

HQ city

Buffalo

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. Custom Equipment Fabrication: One-time project-based revenue from designing and fabricating custom heat exchangers, pressure vessels, columns, and tanks to customer specifications. Each project is unique and priced based on complexity, materials, and size requirements.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

J. D. Cousins designs and fabricates custom heat transfer and process equipment, including ASME Code Section VIII compliant shell-and-tube heat exchangers, steam condensers, distillation columns, evaporators, pressure vessels, and API tanks. The Buffalo, NY manufacturer serves U.S. production plants in chemical processing, pharmaceutical, pulp & paper, power generation, refining, and gas/oil industries with oversized and specialty-material builds. Projects are delivered through direct sales, with engineering and ASME-certified welding handled in-house from concept through delivery.

Product overview

J.D. Cousins is a custom industrial fabrication company specializing in heat transfer and process equipment. The company operates a single unified manufacturing and fabrication service model, offering design, engineering, and fabrication of pressure vessels, shell and tube heat exchangers, steam condensers, distillation columns, evaporators, API tanks, and custom exchanger components—all built to ASME Code Section VIII, ANSI, and API standards. The core product line includes Heat Exchangers, Steam Condensers, Distillation Columns & Evaporators, Pressure Vessels, and API Tanks, supported by add-on services for vessel repairs, modifications, and replacement parts. The company also develops proprietary technology including the EconoCooler and Closed-Loop Evaporative System for process fluid cooling applications.

Differentiator

Problem solved

Functional benefit

Products and services

• Heat Exchangers Custom-designed shell and tube heat exchangers engineered for challenging specifications that fall outside standard offerings, including oversized builds and specialty materials, for industrial processing plants.
• Steam Condensers Custom-designed and built steam condensers thermally sized in full compliance with ASME Code to meet exact performance requirements of industrial steam systems.
• Distillation Columns and Evaporators Columns and evaporators built to match exact process and site conditions, including seismic, wind, and structural requirements, with specialty alloys and oversized diameters available.
• Pressure Vessels ASME Code Section VIII compliant pressure vessels designed and fabricated with expert engineering, reliable delivery, and ongoing support for industrial process operations.
• API Tanks Storage tanks built to API 650 and API 620 standards in various sizes and materials, featuring ladders, platforms, manways, and anchor supports, fabricated by ASME-certified welders.
• Vessel Exchange Repairs and Modifications Repairs, refurbishments, and modifications for vessels and heat exchangers, ranging from quick fixes to full overhauls, designed to minimize downtime and maximize reliability.
• Replacement Parts and Custom Exchanger Components Custom-designed and fabricated replacement parts for shell and tube heat exchangers or vessels, with ASME Code stamps available as required.
• EconoCool Closed-Loop Evaporative Systems Closed-loop, single-step evaporative systems for cooling process fluids and condensing gases, including large EconoCooler units for furnace cooling at silicon metal and other high-tech manufacturing facilities, positioned as more efficient than conventional two-step cooling-tower-plus-heat-exchanger setups.

Quantifiable outcome

• 65,000+ pound heat exchangers fabricated with 1,900+ tubes
• +1 more outcomes

Named customers3 records

Segments6 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Mississippi SiliconnotableStrategic or Co-development PartnerJ.D. Cousins was selected to engineer, design, and manufacture a large, submerged arc furnace EconoCooler for Mississippi Silicon's new high-tech silicon metal manufacturing facility in Burnsville, MS. This represents a significant custom fabrication partnership for a specialized industrial application.

Scale indicators7 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• Joseph Oat Holdings: Camden, NJ-based custom metal fabricator of ASME pressure vessels, heat exchangers, tanks, and structural plate work for refining, chemical, and power customers. Closest U.S. peer to J.D. Cousins by product mix, customer base, and shop-fabrication model.
• Paul Mueller Company: Springfield, MO-based manufacturer of stainless steel process equipment, tanks, and heat exchangers serving dairy, food, beverage, and pharmaceutical customers. Comparable mid-sized specialty fabricator with similar custom-build, regulated-industry focus.
• API Heat Transfer: Specialty manufacturer of shell-and-tube heat exchangers, plate exchangers, and thermal management products for industrial and OEM customers. Directly competes with J.D. Cousins in custom shell-and-tube heat exchanger fabrication.

Broad incumbents

• Kelvion: Former SPX Heat Transfer segment; one of the world's largest heat exchanger manufacturers producing shell-and-tube, plate, and air-cooled units for chemical, petrochemical, and power customers. Larger-scale incumbent with overlapping product range.
• Babcock & Wilcox: Long-established manufacturer of power boilers, heat exchangers, and environmental equipment for utilities and industrial customers. Overlaps with J.D. Cousins in ASME pressure vessel and heat exchanger work but at materially larger scale.
• Chart Industries: Global manufacturer of cryogenic and process equipment including brazed aluminum and shell-and-tube heat exchangers serving LNG, energy, and industrial gas markets. Competes in adjacent segments of the industrial heat transfer market.
• Hamon: Belgian-headquartered engineering group designing air-cooled condensers, heat exchangers, and cooling systems for power generation and industrial process plants. Comparable engineered-equipment competitor at larger scale.
• Mueller Industries: U.S. manufacturer of copper, brass, aluminum, and plastic products including heat transfer components and plumbing fittings. Overlaps with J.D. Cousins in select heat-transfer product categories though primarily serves HVAC/plumbing rather than heavy process.
• Holtec International: Nuclear-industry supplier of heat exchangers, pressure vessels, and spent-fuel storage systems; parent of Joseph Oat Holdings. Competes in ASME-certified heavy fabrication work for power and industrial customers.
• Xylem: Global water technology company whose Bell & Gossett and ICC locations manufacture shell-and-tube heat exchangers for HVAC, district energy, and industrial process applications. Adjacent large incumbent in industrial heat transfer.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/j.d.cousins-inc

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 J. D. Cousins