What Kolbi Pipe Marker does

Kolbi Pipe Marker Co. is a privately held U.S. manufacturer of mechanical identification products — primarily pipe markers, valve tags, equipment nameplates, duct markers, and related identification labels — serving mechanical/HVAC contractors, industrial refrigeration facilities, healthcare facilities, electrical contractors, and solar energy installers. Founded around 1972 and headquartered at 3727 N Ventura Drive, Arlington Heights, Illinois, the company operates with 51-100 employees under President and Owner Rob Seitz and has been continuously operating for more than 50 years under stable ownership.

The product portfolio is organized across ten functional categories: pipe markers (self-adhesive, wrap-around, arrow banding tape, markers on a roll, high-performance polyester, markers with arrows); valve tags (stamped brass, ammonia stainless steel, laser-engraved plastic/brass/aluminum/stainless); valve tag accessories (beaded chain, jack chain, S-hooks, zinc hooks, nylon ties, meter seals, grid markers, chart frames); equipment nameplates (plastic, aluminum, anodized aluminum, stainless steel); duct markers and stencils; medical gas markers and tags; ammonia refrigeration products (adhesive markers, high-performance markers, aluminum carriers, valve tags, component markers, plant signage); electrical products (arc flash labels, lockout tags, cable/conduit adhesive and wrap-around markers); solar products (solar circuit labels, rapid shutdown labels, PVL 2023 0031 labels, placards, signage); and miscellaneous safety items (underground warning tape, sprinkler valve signs, switch plates, wallplates, blank banding tape). Manufacturing capabilities combine pressure-sensitive vinyl conversion, laser engraving, digital printing, and metal fabrication in brass, stainless steel, and anodized aluminum, with products rated across temperature ranges from -40°F to 2,400°F and outdoor service life of 3-8 years depending on material grade. Compliance is a central technical pillar: products meet ASME/ANSI A13.1 (pipe identification), NFPA 99C/CGA C-9 (medical gas), IIAR Bulletin 114 (ammonia refrigeration), and NFPA 70E/OSHA (arc flash) standards — procurement-relevant certifications in regulated facilities.

The business model is a direct manufacturer-to-customer transaction model with no subscription component. Revenue is generated through one-time product sales via the company e-commerce store and quote-based sales for custom/large orders; pricing is unit-based, ranging from $0.75 (cable markers) to more than $193 (large roll markers) depending on material, size, and customization. Differentiation rests on direct pricing (no distributor middlemen), 500,000+ unit in-stock inventory with same-day shipping, and three free contractor services — Identification Takeoff (project quantity estimation per A13.1-2015), Submittal Package, and Sort & Pack — that named competitors Brady and Seton do not offer. Distribution is exclusively from a single Illinois warehouse and the company operates solely within the U.S. market.

Name

Kolbi Pipe Marker

Legal name

Kolbi Pipe Marker Co.

Website

https://kolbipipemarkers.com

Company type

Private

Founded year

1972

Operating status

Operating

Headcount range

51–100 employees

Short description

Kolbi Pipe Marker Co. is a privately held U.S. manufacturer of pipe markers, valve tags, nameplates, and mechanical identification labels serving HVAC, refrigeration, healthcare, electrical, and solar contractors through direct e-commerce sales, with 50+ years of operating history.

Ownership category

akta.pro rank

Product category

Industrial Identification Products

NAICS

Fabricated Pipe and Pipe Fitting Manufacturing (332996)

SIC

Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)

akta.pro primary industry

Pressure-Sensitive Labels (PSL) (IMALAKAA)

Keywords

• Pipe identification markers
• Valve identification tags
• Equipment nameplates
• Industrial safety labels
• Duct identification markers

Headquarters

HQ city

Arlington Heights

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, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Mechanical Identification Products: One-time product sales of pipe markers, valve tags, nameplates, duct markers, and related identification products. No subscription model. Revenue generated through individual transaction purchases via e-commerce and quote-based sales for custom orders.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Kolbi Pipe Marker Co. is a manufacturer of mechanical identification products, primarily pipe markers, valve tags, equipment nameplates, duct markers, medical gas markers, ammonia refrigeration labels, electrical safety labels (arc flash, lockout), solar PV labels, and stencils. Products are produced from pressure-sensitive vinyl, polyester, brass, stainless steel, and anodized aluminum with laser engraving, digital printing, and metal fabrication. Sales are direct-to-customer via the company e-commerce website and phone/email quote-based ordering, with no third-party distribution intermediaries.

Product overview

Kolbi Pipe Marker Co. is a manufacturer of mechanical identification products, not a software platform. Its portfolio is organized across several product lines: (1) Pipe Markers — the core product family including Self-Adhesive Pipe Markers, Arrow Banding Tape, High Performance Pipe Markers, Wrap Around Markers, Markers on a Roll, and Markers with Arrows; (2) Valve Tags — including Customizable Stamped Brass Valve Tags, Ammonia Valve Tags (Stainless Steel), and Custom Laser Engraved Valve Tags in multiple materials; (3) Valve Tag Accessories — beaded chain (stainless steel and brass), jack chain, S hooks, zinc hooks, nylon ties, lead meter seals, grid markers, and valve tag chart frames; (4) Equipment Nameplates — in plastic, aluminum, anodized aluminum, and stainless steel; (5) Duct Markers — HVAC duct markers and labels plus stencils; (6) Medical Markers — self-adhesive vinyl medical gas markers and medical gas tags; (7) Ammonia Products — adhesive markers, high performance markers, and aluminum ammonia carriers specifically for refrigeration systems; (8) Electrical Products — arc flash labels, lockout tags, cable/conduit adhesive markers, and cable/conduit wrap-around markers; (9) Solar Products — solar circuit labels, rapid shutdown switch labels, PV labels, solar placards, and solar signage; and (10) Miscellaneous identification products including underground warning tape, sprinkler valve open signs, 30 MM switch plates, color-filled stainless steel wallplates, and blank banding tape. The company also offers three free contractor services: Identification Takeoff, Submittal Package, and Sort & Pack.

Differentiator

Problem solved

Functional benefit

Products and services

• Self-Adhesive Pipe Markers Outdoor-grade pressure-sensitive vinyl pipe markers with permanent adhesive, UV-resistant ink, and nearly 200 standard wording/color combinations, rated for -40°F to 180°F with 3-year outdoor life for ANSI/ASME A13.1 compliant pipe identification.
• Arrow Banding Tape Pressure-sensitive vinyl arrow tape in 30-yard rolls used with adhesive pipe markers to indicate pipe content flow direction, available in multiple arrow/background color combinations with 4-6 year outdoor life expectancy.
• High Performance Pipe Markers 5-mil polyester pipe markers with UV-resistant ink and 1-mil polyester overlaminate for chemical and UV resistance, rated from -40°F to 248°F with up to 8 years outdoor life expectancy for harsh environments.
• Wrap Around Markers Pre-coiled semi-rigid vinyl markers that snap onto pipes without surface preparation, available in 8 sizes for pipe OD from 0.75 inch to over 10 inch with 5-7 year outdoor life expectancy and -40°F to 180°F service range.
• Markers on a Roll 30-foot rolls of pressure-sensitive vinyl pipe markers that adjust to any pipe size and provide full 360-degree coverage, with service temperature range of -40°F to 180°F and 4-6 year outdoor life expectancy.
• Markers with Arrows Self-adhesive pipe markers with integrated directional arrows, simplifying installation on ASME/ANSI-compliant pipe identification systems with 3-year outdoor life expectancy.
• Customizable Stamped Brass Valve Tags .036 inch (19 gauge) brass valve tags in round or square shapes rated up to 1200°F, available with or without system abbreviations and sequential numbering for valve identification in commercial and industrial piping.
• Ammonia Valve Tags (Stainless Steel) High-performance valve tags engineered for harsh plant roof conditions, available in .030 Type 316 stainless steel rated -40°F to 2400°F or 2-ply plastic rated -40°F to 175°F, with barcode and QR code support.
• Custom Valve Tags (Laser Engraved) Fully customizable laser-cut valve tags in plastic, brass, stainless steel, anodized aluminum, or printed brass, deburred for smooth edges and available in 1-1/2 inch or 2 inch round/square sizes.
• Plastic Engraved Nameplates Custom engraved 2-ply plastic nameplates in various sizes and color combinations, electrically non-conductive, with temperature resistance from -40°F to 175°F and options for adhesive backing or mounting holes.
• Aluminum Engraved Nameplates Engraved .020 inch aluminum nameplates in four baked enamel color combinations rated up to 1400°F, with options for adhesive backing or mounting holes.
• Anodized Aluminum Engraved Nameplates Laser-etched .032 inch anodized aluminum nameplates in six color combinations, providing more durable and detailed marking than standard aluminum nameplates.
• Stainless Steel Engraved Nameplates Custom engraved .032 Type 304 stainless steel nameplates with phenolic backing for electrical non-conductivity, rated up to 2400°F, with options for barcodes, QR codes, adhesive backing, and mounting holes.
• HVAC Duct Markers and Labels Pressure-sensitive vinyl duct markers in three styles (DC, DM, DD) with permanent adhesive for HVAC supply air, return air, and exhaust air identification, rated -40°F to 180°F.
• Stencils Durable, reusable .010 inch flexible polyester stencils laser cut for accuracy, available in six letter heights from 1/2 inch to 3-1/2 inch and variable lengths for one to 30 characters per stencil.
• Self-Adhesive Vinyl Medical Gas Markers Pressure-sensitive vinyl medical gas pipe markers compliant with NFPA 99C/CGA C-9, designed to fully wrap around medical gas pipelines less than 1 inch diameter and available in 3 inch x 3 inch individual labels, rolls of 250, or 3/4 inch x 2 inch cards of 10.
• Medical Gas Tags 3 inch x 5-3/4 inch .015 semi-rigid plastic tags for use with medical gas labels, compliant with NFPA-99C and CGA 9-C, with metal grommet and 4-6 year outdoor life expectancy.
• Ammonia Adhesive Markers Pressure-sensitive vinyl ammonia pipe markers with UV overlaminate for extended life, standard orange background with yellow available, rated -40°F to 180°F and compliant with 2019 IIAR 4.1.6 Bulletin No. 114.
• Ammonia High Performance Pipe Markers High-temperature ammonia markers rated from -40°F to 248°F with 5-mil polyester and UV-resistant ink overlaminate, compliant with IIAR Bulletin 114 (2019) and available in sizes AHPA through AHPG that coil around the pipe.
• Aluminum Ammonia Carriers Crack-resistant, weatherproof aluminum carrier markers secured with pre-cut 316 stainless steel self-locking straps, rated up to 300°F with 3-year outdoor life expectancy, including UV-resistant ink and polyester lamination.
• Component Markers (Ammonia) Markers for identifying ammonia refrigeration system components in standard IIAR legends such as accumulator, compressor, and condenser, with orange background and pressure level indicated at the time of order, compliant with IIAR Bulletin 114.
• Ammonia Plant Signage Cold storage plant signage available in 6 mil adhesive backed vinyl or .060 plastic, in standard sizes of 24x12 inch or 7x12 inch, with custom sign options also offered.
• Arc Flash Labels Arc flash safety labels compliant with NFPA 70E, NEC section 110, and OSHA standards, made from 6 mil pressure-sensitive vinyl with 4-6 year outdoor life expectancy, available in Warning or Danger versions in 3x4 or 4x6 sizes.
• Lockout Tags 5-3/4 inch x 3 inch .025 semi-rigid vinyl lockout tags that are water resistant with a brass grommet, offering 5-7 year outdoor life expectancy, available in standard or custom styles with or without photo.
• Custom Cable and Conduit Adhesive Markers Self-adhesive vinyl markers for cable and conduit identification, die-cut and easy to peel, available in ES (3/4 x 2-1/2 inch), EM (1 x 9 inch), and EL (2 x 9 inch) sizes.
• Cable and Conduit Wrap Around Markers .025 inch semi-rigid vinyl wrap-around markers for cable and conduit, with legend viewable from 360 degrees, available in six sizes from less than 5/8 inch to 4-1/2 inch pipe OD and additional colors/sizes.
• Solar Labels Solar circuit identification labels, rapid shutdown switch labels, and PV labels available in standard or reflective vinyl, made with UV-resistant inks for harsh solar field environments and available in NEC-compliant sizes from 1x4 inch to 2x4 inch.
• Solar Placard Solar placards for photovoltaic system identification including AC disconnect, photovoltaic system equipped, caution for power to building, and dual power supply warnings, with multiple industry-standard label artworks and custom options.

Quantifiable outcome

• Same-day shipping capability for over 500,000 in-stock products
• +2 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Brady Corporation: Brady Corporation is a multi-hundred-million-dollar global manufacturer of identification and safety solutions including pipe markers, valve tags, lockout/tagout, and arc flash labels. It is the dominant incumbent Kolbi competes against, named directly in Kolbi customer testimonials as a larger alternative.
• Seton (Brady subsidiary): Seton, now part of Brady, is a major direct-to-customer distributor of safety signs, pipe markers, valve tags, and facility identification products. It is the second incumbent named explicitly in Kolbi customer testimonials as a price/lead-time benchmark Kolbi beats.

Direct peers

• Accuform Signs: Accuform Signs (subsidiary of Master Lock) is a direct competitor manufacturing facility identification products including pipe markers, valve tags, safety signs, and arc flash labels. It targets the same mechanical contractor and industrial facility buyer as Kolbi.
• EMEDCO: EMEDCO is a direct-to-customer manufacturer and distributor of safety signs, pipe markers, valve tags, lockout/tagout products, and facility identification. It serves the same industrial/commercial contractor base as Kolbi through a similar e-commerce model.
• Clarion Safety Systems: Clarion Safety Systems manufactures facility safety signs, pipe markers, valve tags, and ANSI/OSHA-compliant visual safety products. It is a comparable specialty manufacturer with a focus on standards-compliant identification for industrial and commercial facilities.
• NMC (National Marker Company): NMC manufactures pipe markers, valve tags, safety signs, lockout/tagout products, and arc flash labels for industrial facilities. It is a direct product-line competitor to Kolbi across the same core mechanical identification categories.
• Brimar Industries: Brimar Industries manufactures pipe markers, valve tags, and ANSI/ASME A13.1-compliant identification products. It is a specialty direct competitor to Kolbi in the pipe and valve identification market, focused on industrial and institutional customers.

Emerging players

• Graphic Products: Graphic Products sells industrial labeling systems, pipe markers, valve tags, and label printers/durability supplies. While it overlaps with Kolbi on consumable identification products, its primary differentiation is industrial label printers, making it a partial-overlap emerging player.
• DuraLabel (Brady): DuraLabel, part of Brady, manufactures industrial sign and label printers and supplies for in-house facility identification production. It is an emerging threat as it enables customers to print their own compliant pipe markers in-house rather than purchasing from Kolbi.

Others

• W.W. Grainger: Grainger is a major industrial MRO distributor that resells pipe markers, valve tags, nameplates, and facility identification products from multiple manufacturers including Brady and Seton. It is an adjacent channel competitor where Kolbi's direct-to-customer model competes against distributor-sourced alternatives.

Market position

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/kolbi-pipe-marker-co

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Kolbi Pipe Marker