Flow Cleanrooms & Supply

What Flow Cleanrooms & Supply does

Flow Cleanrooms & Supply is a Michigan-based distributor and modular cleanroom provider that originated as Angstrom Supply (founded circa 1993) and was rebranded in 2023 after combining with Flow Cleanrooms. The company supplies the full stack required to build, stock, and operate a controlled environment, organized across four product categories: cleanroom structures (softwall, rigidwall, and hardwall modular rooms, including pre-designed in-stock softwall units and USP 800 compliant rooms for hazardous drug handling), consumable supplies (wipes, gloves, garments, swabs, mops, chemicals, paper, sticky mats, and ESD control), furniture (stainless steel benches, tables, carts, shelving, dispensers, and storage), and equipment (particle counters, laminar flow cabinets, desiccator boxes, fan filter units, and visual inspection backgrounds). Technical differentiation centers on modular construction methods with quick-remove wall panels, plug-and-play pre-wired FFU/lighting packages, and HEPA fan filter units rated from ISO 8/Class 100,000 down to ISO 4/Class 10, plus USP 797/800 compliant designs for pharmaceutical compounding.

The business model is a hybrid of direct-to-consumer e-commerce distribution and project-based design-build services. Pricing is predominantly unit-based for catalog items (wipes $21.56-$792.51, gloves $45.45-$461.91, furniture $65-$3,200, in-stock cleanrooms $8,843-$12,299, USP 800 rooms $19,250), while custom hardwall cleanrooms are quoted on a project basis described as multi-year contracts. The company maintains a manufacturer network (Alpha Protech, Texwipe, Micronova, Contec, Keystone, ValuMax, HighFive/MicroFlex, CTI) and ships from its Comstock Park, Michigan warehouse with drop-ship fulfillment from manufacturer partners, plus international shipping upon request. Sales channels are the e-commerce site, phone, email, and fax.

The company targets four primary verticals: research and development labs, pharmaceutical and life sciences, precision manufacturing (optics, electronics, aerospace, nanotech), and medical devices. It claims to have served over 1,000 businesses and designed/installed thousands of cleanrooms, supported by a 1-10 person team. The Hardwall Cleanroom Specialist Network extends delivery capacity for custom builds through partnered design engineers, project managers, installation specialists, and validation professionals. The company is a private Michigan LLC with no disclosed external venture funding; the only recorded capital event is a 2024-01-25 transaction with Modular Devices reported at $0.

Name

Flow Cleanrooms & Supply

Legal name

Flow Cleanrooms & Supply, LLC

Website

https://flowcleanrooms.com

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

1–10 employees

Short description

Flow Cleanrooms & Supply distributes cleanroom consumables, furniture, and equipment, and designs and builds modular softwall, rigidwall, and hardwall cleanrooms for pharmaceutical, research, electronics, aerospace, and medical device customers across the United States.

Ownership category

akta.pro rank

Product category

Cleanroom Equipment & Supplies

NAICS

Showcase, Partition, Shelving, and Locker Manufacturing (337215), Office Furniture (including Fixtures) Manufacturing (33721)

SIC

Laboratory Apparatus & Furniture (3821), Partitions, Shelvg, Lockers, & Office & Store Fixtures (2540), Wholesale-Professional & Commercial Equipment & Supplies (5040)

akta.pro primary industry

Industrial & Cleanroom Fit-Out (Factories, Warehouses, Controlled Environments) (IMAFANAF)

akta.pro secondary industry

Hospitality & Lodging Housekeeping Supplies Distribution (CRAOAGAL)

Keywords

• Modular cleanroom systems
• Cleanroom consumable supplies
• Contamination control products
• HEPA filtration equipment
• Pharmaceutical compounding cleanrooms

Headquarters

HQ city

Grand Rapids

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

Revenue model

1. Cleanroom Products (Supplies, Furniture, Equipment): Flow Cleanrooms generates revenue through the sale of cleanroom consumables, supplies, furniture, and equipment. Product categories include cleanroom wipes, gloves, garments, swabs, mops, chemicals, paper/pens, sticky mats, ESD control products, benches, tables, carts, racks, shelving, dispensers, storage, particle counters, visual inspection tools, laminar flow cabinets, desiccator boxes, and fan filter units.
2. Modular Cleanroom Sales: Revenue from designing, engineering, and constructing custom modular cleanrooms including softwall, rigidwall, and hardwall options. Pre-designed in-stock cleanrooms are available for quick delivery, while custom solutions are tailored to specific industry requirements and ISO classifications.
3. Cleanroom Services: Extended customer support, training, consultations, and ongoing support services to keep critical environments clean and running at optimal efficiency. Services include initial design and engineering, project management, construction, and installation support.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Flow Cleanrooms & Supply designs, engineers, manufactures, and distributes modular cleanrooms (softwall, rigidwall, and hardwall constructions) and a comprehensive catalog of cleanroom supplies, furniture, and equipment. The company serves businesses requiring contamination-controlled environments across pharmaceuticals, research, electronics, optics, aerospace, and medical devices, offering both pre-designed in-stock cleanrooms and fully custom design-build projects.

Product overview

Flow Cleanrooms & Supply is a cleanroom solutions provider offering a comprehensive portfolio of modular cleanroom systems and related supplies. The company was formerly known as Angstrom Supply and now combines its 30+ years of experience with expanded offerings. The core product line includes three types of modular cleanrooms: Softwall (cost-effective, quick-install), Hardwall (maximum environmental control for regulated environments), and Rigidwall (panelized design with intermediate control levels). QuickBuild pre-designed in-stock softwall cleanrooms and USP 800 compliant hazardous drug handling rooms are also offered. Beyond cleanroom structures, the portfolio encompasses extensive cleanroom supplies (wipes, gloves, garments, swabs, mops, chemicals, paper products, sticky mats, ESD control), furniture (benches, tables, carts, shelving, dispensers), and equipment (visual inspection backgrounds, particle counters, laminar flow cabinets, desiccator boxes, fan filter units). The company serves diverse industries including pharmaceuticals, healthcare, electronics, optics, aerospace, and research.

Differentiator

Problem solved

Functional benefit

Products and services

• Softwall Cleanrooms
• Hardwall Cleanrooms
• Rigidwall Cleanrooms
• QuickBuild In-Stock Softwall Cleanrooms
• USP 800 Compliant Cleanrooms
• Cleanroom Supplies
• Cleanroom Furniture
• Cleanroom Equipment

Quantifiable outcome

• Softwall cleanroom can be fully assembled in less than a day
• +3 more outcomes

Named customers3 records

Segments4 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

Partnerships

Ten partnerships are on record, tiered core, secondary and strategic.

• Alpha ProtechcoreOthersManufacturer of high quality and consistent cleanroom garments, coveralls, lab coats, hoods, masks, shoe covers, and boot covers. Flow sources cleanroom garmenting products from Alpha Protech for customers requiring high quality design and performance.
• TexwipecoreTechnology or IntegrationLeading manufacturer of lint-free cleanroom wipers using advanced technologies in design and manufacturing. Flow describes Texwipe as 'the Cadillac of cleanroom wipers' - their most advanced wiper product line. Texwipe products include VersaWipe, AlphaWipe, Absorbond, TexTra, BetaWipe, TechniCloth, CleanFoam swabs, and cleaning validation swabs.
• MicronovacoreTechnology or IntegrationCleanroom cleaning products and chemicals manufacturer and industry leader in cleanroom mops for many years. Micronova also offers glove & hand cleaning detergents and cleanroom floor, wall & glass cleaning chemicals. Flow sources mops, cleaning equipment, and cleaning chemicals from Micronova.
• ConteccoreTechnology or IntegrationReliable lint-free wiper manufacturer offering high-end products at competitive prices. Contec also offers one of the best selections in cleanroom mops with innovative and dependable mopping systems. Flow sources wipers and mop products from Contec.
• Keystone Cleanroom ProductssecondaryOthersCost reduction focus for high volume less critical products or environments. Offering disposable cleanroom bouffant caps, garments, and accessories. Provides value-oriented options for customers with less stringent cleanroom requirements.
• ValuMaxsecondaryOthersValue-focused clean room supplies manufacturer offering polypropylene, SMS, and microporous materials for cleanroom garmenting products. Strong balance of price and quality makes them a dependable resource.
• Atex (Flow Private Label)strategicOEM/ Whitelabel/ Licensing PartnerFlow's private label product line developed over years by partnering with existing manufacturers or sourcing contract manufacturing. Atex branded products include cleanroom sticky mats and wipers.
• HighFive / MicroFlexcoreOthersTwo glove manufacturers that merged to offer a comprehensive glove portfolio. Products range from low-cost nitrile exam gloves to high-end Class 100 cleanroom gloves, providing the full spectrum of glove options from economy to premium.
• CTI (Cleanroom Technologies International)coreOthersCleanroom gloves and supplies manufacturer. Part of Flow's core manufacturer network for disposable gloves including nitrile, latex, and vinyl options for cleanroom and exam applications.
• Hardwall Cleanroom Specialist NetworkstrategicStrategic or Co-development PartnerFlow handpicks specialists from their partner network across the country to match customers with teams having specialized expertise for hardwall cleanroom design-to-build projects. The network includes design engineers, project managers, installation specialists, commissioning agents, and validation professionals tailored to each project's specific requirements.

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Labconco: Labconco is a larger, established manufacturer of laboratory equipment including fume hoods, biosafety cabinets, and cleanroom-related enclosures. Overlaps with Flow's equipment offerings but serves a broader laboratory customer base rather than specializing in full cleanroom builds.
• Fisher Scientific (Thermo Fisher): Thermo Fisher's Fisher Scientific channel distributes cleanroom supplies, lab furniture, and equipment at national scale. Competes with Flow on the consumables side via broader catalog and enterprise contracts, but does not specialize in custom cleanroom design-build.

Regional players

• Angstrom Technology: UK-based cleanroom design-build and validation specialist serving pharmaceutical, medical device, and aerospace customers. Operates a similar modular cleanroom model to Flow but is geographically separate (UK/Europe), making it a regional rather than direct US competitor.

Direct peers

• Cleanroom World: Cleanroom World sells modular cleanrooms (softwall, hardwall, rigidwall) plus cleanroom supplies, furniture, and equipment through an e-commerce storefront. Directly comparable in product breadth, customer segments (pharma, electronics, medical devices), and direct-to-consumer go-to-market.
• Terra Universal: Terra Universal manufactures and distributes modular cleanrooms, laminar flow equipment, and cleanroom consumables. Closest direct competitor — overlapping product catalog (cleanroom furniture, HEPA units, garments, wipes) and similar turnkey design-to-build model for pharma and electronics customers.
• Clean Air Products: Clean Air Products designs, manufactures, and installs modular cleanrooms, laminar flow workstations, and HEPA filtration equipment. Comparable in offering custom cleanroom design-build services to pharmaceutical, semiconductor, and medical device customers.
• Modular Devices: Modular Devices designs and builds modular cleanrooms and controlled-environment facilities, including USP 797/800 compliant rooms for pharmacies. Notable as the only disclosed relationship on Flow's cap table; directly comparable product offering for compounding pharmacies.
• Germfree Laboratories: Germfree Laboratories produces modular cleanrooms and biocontainment facilities, including USP 797/800 compliant compounding pharmacy rooms. Direct competitor in the regulated modular cleanroom space, particularly for hazardous drug handling.

Others

• Contec: Contec manufactures cleanroom wipes, mops, and disinfectants and is one of Flow's core supplier partners. Functions as both a competitor (sells direct) and an upstream supplier; comparable in product category but a manufacturer rather than a turnkey cleanroom provider.

Emerging players

• Air Science: Air Science manufactures ductless fume hoods, laminar flow cabinets, and cleanroom-related equipment. Sourced by Flow as an equipment partner (per the catalog); overlaps on laminar flow cabinets and filtration equipment but is a smaller specialist rather than a broad cleanroom builder.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds1 record

Investors1 record

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 Flow Cleanrooms & Supply