What Sheldon Manufacturing does

Sheldon Manufacturing Inc. is a privately held, ISO 9001:2008-certified manufacturer of constant-temperature and environmental-control laboratory equipment headquartered in Cornelius, Oregon, and in continuous operation since 1970. Its product portfolio spans CO2, refrigerated, and microbiological incubators, anaerobic chambers (Bactron), bead baths and thermal products (Lab Armor), forced-air, gravity-convection, and vacuum ovens, and vacuum pumps (Cascade TEK), with custom-engineered and OEM manufacturing offered alongside the branded catalog. Underlying technology emphasizes precision thermal control through water-jacketed CO2 incubation, Peltier-based refrigeration, and high-heat decontamination cycles, supported by domain-specialized designs for oxygen-sensitive microbiology work.

The company serves academic and institutional research laboratories (primary), pharmaceutical companies requiring validated environmental chambers for drug stability and QA, and healthcare and clinical laboratories for diagnostics and specimen handling. Customers are reached through a dual-channel model combining direct website sales (quote-based pricing, no public list prices) with dedicated USA distributors and an international distributor network providing localized sales, service, and warranty support. Sub-brands — Shel Lab, Bactron, Lab Armor, and Cascade TEK — each carry their own identity in research procurement, and the portfolio was expanded in March 2016 via the acquisition of Cascade Technical Sciences. No external investors, parent company, or capital structure details are disclosed, and the company has emphasized sustainable manufacturing practices as a stated commitment.

Name

Sheldon Manufacturing

Legal name

Sheldon Manufacturing Inc.

Website

https://shellab.com

Company type

Private

Founded year

1970

Operating status

Operating

Headcount range

11–50 employees

Short description

Sheldon Manufacturing is a privately held, ISO 9001-certified maker of laboratory environmental-control equipment, including incubators, anaerobic chambers, water baths, and ovens, sold under the Shel Lab, Bactron, Lab Armor, and Cascade TEK brands to research, pharmaceutical, and clinical laboratories via direct sales and a global distributor network.

Ownership category

akta.pro rank

Product category

Laboratory Equipment

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Laboratory Apparatus & Furniture (3821)

akta.pro primary industry

General Lab Equipment (Centrifuges, Incubators, Shakers, Ovens) (HLAGAIAC)

akta.pro secondary industry

Science & STEM Lab Equipment & Supplies (Chemistry, Biology, Physics, Makerspaces) (EDAEAIAC)

Keywords

• Laboratory incubators
• Anaerobic chambers
• Laboratory ovens
• Water baths
• Laboratory equipment

Headquarters

HQ city

Cornelius

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Laboratory Equipment Sales: Sheldon Manufacturing generates revenue through the sale of laboratory equipment including incubators, anaerobic chambers, water baths, and ovens. Products are sold through direct sales and distributor networks in the USA and internationally.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Sheldon Manufacturing designs and manufactures constant-temperature laboratory equipment, including CO2 incubators, refrigerated incubators, microbiological incubators, anaerobic chambers, water baths, forced air ovens, gravity convection ovens, vacuum ovens, vacuum pumps, and Lab Armor bead baths. The products are sold direct and through USA and international distributor networks to research laboratories, pharmaceutical companies, and clinical/medical laboratories. The company also provides custom-engineered laboratory equipment, OEM manufacturing services, and replacement parts/accessories under multiple sub-brands (Shel Lab, Bactron, Lab Armor, Cascade TEK).

Product overview

Sheldon Manufacturing is a laboratory equipment manufacturer operating as a multi-brand portfolio company. The core offering consists of specialized laboratory equipment including anaerobic chambers (Bactron brand), incubators (CO2, refrigerated, and microbiological), water baths, and various oven types (forced air, gravity convection, and vacuum). Supporting product lines include Lab Armor bead baths and Cascade TEK vacuum pumps. The company also offers custom engineering solutions and OEM manufacturing services. The five main sub-brands—Sheldon Manufacturing Inc (parent), Shel Lab (general lab equipment), Bactron (anaerobic chambers), Lab Armor (thermal products), and Cascade TEK (vacuum equipment)—together provide a comprehensive laboratory equipment portfolio for life sciences research, pharmaceutical, and industrial applications.

Differentiator

Problem solved

Functional benefit

Brands

• Shel Lab: Laboratory incubator and chamber product line
• Bactron
• Lab Armor
• Cascade TEK

Products and services

• Shel Lab Incubators Laboratory incubators under the Shel Lab sub-brand, including CO2 incubators (with high heat decontamination, water-jacketed, and air-jacketed models), refrigerated incubators using Peltier technology, and microbiological incubators. Designed for cell culture, microbiology, pharmaceutical research, and general incubation applications in research, pharmaceutical, and clinical laboratories.
• Bactron Anaerobic Chambers Specialized enclosed chambers under the Bactron sub-brand that maintain oxygen-free environments for cultivating anaerobic bacteria and other oxygen-sensitive microorganisms. Used by microbiology, clinical, and pharmaceutical research laboratories working with anaerobic organisms.
• Laboratory Water Baths Laboratory water baths under the Shel Lab sub-brand providing precise temperature control for research applications requiring consistent thermal conditions. Used in life sciences, clinical, and industrial laboratory settings.
• Forced Air Ovens Laboratory ovens with forced air circulation that provide uniform temperature distribution for drying, heating, and sterilization applications in research, pharmaceutical, and industrial laboratory environments.
• Gravity Convection Ovens Laboratory ovens using gravity convection technology to provide gentle, uniform heating for temperature-sensitive applications in research and quality-control laboratory settings.
• Vacuum Ovens Specialized laboratory ovens operating under reduced pressure for low-temperature drying and processing of heat-sensitive materials. Used in pharmaceutical, materials, and advanced research laboratories.
• Cascade TEK Vacuum Pumps Laboratory vacuum pumps under the Cascade TEK sub-brand for creating and maintaining vacuum conditions in research and industrial processes. Supports Sheldon Manufacturing's vacuum oven and broader vacuum-system applications.
• Lab Armor Bead Baths and Thermal Products Bead baths and thermal stability products under the Lab Armor sub-brand used for sample preservation and controlled heating applications in laboratory environments. Designed as an alternative to traditional water baths for temperature-sensitive workflows.
• Custom Laboratory Equipment Solutions Custom-engineered laboratory equipment solutions designed and manufactured by Sheldon Manufacturing to meet specific customer requirements and unique application needs beyond standard catalog offerings.
• OEM Manufacturing Services Original Equipment Manufacturer (OEM) partnership services producing custom-labelled laboratory equipment for other brands and companies using Sheldon Manufacturing's manufacturing capabilities.
• Accessories and Replacement Parts Replacement parts, accessories, and consumables for Sheldon Manufacturing laboratory equipment, including chambers, shelves, filters, and service components. Sold as standalone items to support installed equipment.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Recent moves4 records

Expansion highlights4 records

Others

• VWR (Avantor): Global lab products distributor and private-label equipment seller. Comparable because VWR/Avantor both distributes competing laboratory equipment brands and increasingly sells its own private-label alternatives, directly affecting Sheldon's distributor-channel economics and pricing.

Emerging players

• Hettich: Manufacturer of laboratory centrifuges, incubators, and benchtop instrumentation with growing North American presence. Comparable as a European specialty lab-equipment maker expanding its constant-temperature portfolio into the same research-lab segment Sheldon addresses.
• ESCO: Singapore-headquartered lab equipment manufacturer with CO2 incubators, laboratory ovens, and biological safety cabinets. Comparable as a mid-sized specialty incubator/oven competitor with stronger Asia-Pacific reach, increasingly contesting Sheldon in international markets.

Broad incumbents

• Thermo Fisher Scientific: Global life-sciences conglomerate with a large Heracell/Forma incubator and laboratory equipment portfolio. Comparable because it sells the same categories of CO2 incubators, refrigerated incubators, and laboratory ovens that Sheldon produces, but at much greater scale and breadth.
• Eppendorf: German life-science equipment maker with New Brunswick/Sanyo-style CO2 and refrigerated incubator lines plus a broad consumables and instruments portfolio. Comparable because it directly competes with Shel Lab and Bactron in cell-culture incubation, while also operating across adjacent lab categories.
• Panasonic Healthcare (PHCbi): Manufacturer of PHCbi/Sanyo-style CO2 incubators, ultra-low freezers, and laboratory refrigerators. Comparable because its MCO and MIR series CO2 incubators directly compete with Shel Lab's CO2 incubator line in pharma and academic cell-culture applications.

Direct peers

• Memmert: German manufacturer of laboratory incubators, ovens, water baths, and climate chambers. Closely comparable as a specialty constant-temperature equipment vendor serving the same academic, pharma, and clinical lab buyers that Sheldon serves, with a similarly focused product range.
• NuAire: U.S. manufacturer of CO2 incubators, biological safety cabinets, and laboratory equipment. Directly comparable as a North American specialty vendor competing with Sheldon in cell-culture incubation and biological safety-class equipment for research and clinical labs.
• BINDER GmbH: German specialist manufacturer of laboratory incubators, CO2 incubators, and drying/heating ovens. Highly comparable because its core product lines — constant-temperature chambers, CO2 incubators, forced-air and gravity-convection ovens — directly overlap Sheldon's Shel Lab and oven product families.
• Labconco: U.S. laboratory equipment manufacturer specializing in fume hoods, freeze dryers, glassware washers, and biological safety cabinets. Comparable as a similarly sized U.S. specialty lab-equipment maker selling through a comparable distributor-plus-direct model into the same research-lab customer base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCoUYGZ08VhpPZPKnmR1MVFA
• LinkedInlinkedin.com/company/sheldon-manufacturing-inc

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about Sheldon Manufacturing