What Contractor's Supply Inc. does

Contractor's Supply Inc. (CSI) is a privately held building materials distributor founded in 1997 and headquartered at 5515 W Warren Avenue, Denver, Colorado. The company serves construction contractors operating in the Colorado Front Range, functioning as a multi-line reseller of fasteners, concrete treatment and accessory products, hand and power tools, jobsite equipment, and general building materials organized across 70+ product categories. Its assortment is anchored by recognized manufacturer brands including DeWalt, Makita, Bosch, Simpson Strong-Tie, Chicago Hardware, Midwest Canvas, Greenlee, PHD Manufacturing, Brighton Best, G-Strut, Reliable Concrete Accessories, Stego Industries, Raven Industries, W.R. Meadows, BASF, BlueLinx, Vulcan, Pacific Laser Systems, Knaack-Weather Guard, and POWERS.

The business operates from a single physical retail/warehouse location and fulfills orders via walk-in counter sales, phone orders, and an e-commerce website. Pricing is quote-based rather than transparently published, consistent with project-driven contractor purchasing. The company carries 11–50 employees and is structured as an independent regional reseller with no disclosed parent company, subsidiaries, or external investors.

The business model is straightforward distribution: purchase branded construction products from manufacturers, hold inventory at the Denver warehouse, and resell to professional contractors at project-specific quotes. No proprietary products, technology platforms, or differentiated service offerings are evidenced. The competitive positioning rests on local proximity, breadth of SKU and brand coverage, and multi-channel order capture, with no visible investment in proprietary software, automation, or digital procurement tooling.

Name

Contractor's Supply Inc.

Legal name

Contractor's Supply Inc.

Website

https://csicatalog.com

Company type

Private

Founded year

1997

Operating status

Operating

Headcount range

11–50 employees

Short description

Contractor's Supply Inc. is a Denver-based, independent building materials distributor founded in 1997 that sells fasteners, concrete accessories, tools, and construction supplies across 70+ categories to Colorado Front Range contractors via a single warehouse, phone, and e-commerce channel.

Ownership category

akta.pro rank

Product category

Building Materials Distribution

NAICS

Other Construction Material Merchant Wholesalers (423390), Hardware Merchant Wholesalers (423710), Building Material and Supplies Dealers (4441)

SIC

Wholesale-Lumber & Other Construction Materials (5030), Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)

akta.pro primary industry

Concrete, Cement & Aggregates Retail (Bagged Mix, Sand, Gravel) (CRAIAEAG)

Keywords

• Building materials distribution
• Construction supplies wholesale
• Fasteners and hardware
• Concrete curing products
• Construction tools equipment

Headquarters

HQ city

Denver, Colorado

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Building Materials Distribution: Contractor's Supply Inc. generates revenue through the sale of construction supplies, building materials, fasteners, tools, and equipment sourced from multiple manufacturers. The company operates as a distributor/reseller, selling products to contractors at its Denver, CO location. Revenue appears to be generated through one-time product sales rather than recurring subscription models.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels1 record

Core offering

Contractor's Supply Inc. is a multi-brand building materials distributor that resells fasteners, concrete curing and moisture-control products, structural framing systems, tools, power tool accessories, and general construction supplies to professional contractors. The company operates a single retail/warehouse location in Denver, Colorado complemented by an e-commerce catalog site and phone-based ordering. Pricing is quote-based rather than publicly listed, and revenue is generated through one-time product sales of finished goods sourced from third-party manufacturers.

Product overview

Contractor's Supply Inc. is a construction and industrial supply distributor based in Denver, CO, offering a comprehensive range of building materials and hardware. The product portfolio centers on fasteners (including threaded rods, U-bolts, turnbuckles, yoke ends, structural bolts, and tap bolts), concrete and asphalt treatment products (such as UltraCure curing blankets, Stego vapor barriers, and Poly Dura-Skrim films), surface protection solutions (EZcover), G-Strut metal framing systems, and specialty construction tools. The company operates as a multi-brand distributor carrying products from manufacturers including Chicago Hardware, PHD Manufacturing, Midwest Canvas, Reliable Concrete Accessories, Stego Industries, Raven Industries, Greenlee, Brighton Best, and Pacific Laser Systems. The offerings serve commercial and residential construction contractors requiring fastening, concrete curing, moisture control, and general building supply needs.

Differentiator

Problem solved

Functional benefit

Products and services

• Threaded Rods Fully threaded steel rods in zinc plated, stainless steel, brass, hot-dip galvanized, and metric sizes, supplied to professional contractors for anchoring and general construction fastening applications.
• U-Bolts U-shaped bolts in round bend, square bend, stainless steel, and standard duty configurations, sold to contractors for pipe mounting and general construction fastening.
• Turnbuckles Adjustable hook, eye, or jaw connectors in aluminum, galvanized steel, and malleable iron, sold to contractors for tensioning and structural applications.
• Yoke Ends Adjustable rod ends in various thread sizes and coarse-thread configurations, supplied to contractors for mechanical and structural connections.
• UltraCure SUN Wet Curing Blanket Full-term outdoor 7-day concrete curing blanket with a vapor barrier to reduce solar heating, supplied as a lightweight disposable single-use fabric for concrete contractors.
• UltraCure NCF Natural Fiber Curing Blanket Natural cellulose fabric curing blanket holding 66% more water than synthetic alternatives, providing 7-day constant hydration for concrete curing without re-hydration.
• Reliable DOT Bridge Deck Curing Blanket Long-duration wet curing blanket for bridge decks and vertical applications, with perforated vapor barrier and up to 14 days of wet curing capacity.
• EZcover Protective Covering Natural cellulose protective blanket for colored and gray slabs, marble, hardwood, and terrazzo flooring, with a soft bottom layer to prevent scratches and harder top for impact protection.
• Space Age Reflective Blankets - Closed Cell Reusable closed-cell aluminum-coated reflective blanket with enhanced R-value for concrete curing in cold-weather or thermal-sensitive applications.
• Curelap Poly Coated Burlap Summer concrete curing blanket combining 10 oz burlap with 5 mil white opaque polyethylene, A.A.S.H.T.O M182 Class II compliant and reusable.
• Stego Wrap Vapor Barrier Low-permeance under-slab vapor barrier exceeding ASTM E 1745 Class A, supplied in 10 Mil and 15 Mil sizes for long-term concrete slab moisture protection.
• Stego Mastic Vapor Retardant Liquid-applied vapor retardant membrane used with Stego Wrap to seal pipe and utility penetrations in concrete construction applications.
• Poly Rufco 4 Vapor Barrier High strength-to-weight ratio cross-laminated HDPE vapor barrier film with co-extruded skins for chemical resistance, made from 100% virgin-grade resins.
• Poly Dura Skrim 2Fr Fire-retardant scrim-reinforced LLDPE construction film with diagonal polyester scrim for high puncture and tear resistance, supplied in 10 mil rolls.
• G-Strut Metal Framing System Continuous cold-roll-formed steel channel profiles in 12 and 14 gauge, available in pre-galvanized, green, stainless steel, HDG, and aluminum finishes, in 10' and 20' lengths.
• Greenlee PVC Heat Blankets Electric heat blankets for bending 1/2 to 4 inch PVC pipe, with built-in stiffeners, hook-and-loop strap closure, and 120 VAC power source.
• 7-OZ Burlap 100% natural jute woven burlap textile supplied to contractors for concrete curing and erosion control applications.
• Structural Bolts Heavy hex A325 and A490 structural bolts in plain, zinc plated, and hot-dip galvanized finishes, supplied for structural steel connections.
• Tap Bolts Full-thread hex bolts in zinc plated, stainless steel, A307, and Grade 5, supplied to contractors for fastening applications requiring full thread engagement.
• Pacific Laser Systems 16 Foot Grade Rod Aluminum grade rod extending to 16 feet with dual inches and tenths measurement scales, used with PLS360 SLD laser detectors for construction site elevation measurement.

Segments2 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

19 partnerships are on record, tiered core, standard and minor.

• DeWaltcoreOthersContractor's Supply Inc. carries DeWalt power tools and accessories as part of its product portfolio. DeWalt is featured as a major brand on the company's homepage.
• MakitacoreOthersMakita power tools and equipment are featured as a major brand on the company's homepage, indicating an ongoing product supply relationship.
• Simpson Strong-TiecoreOthersSimpson Strong-Tie structural connectors and hardware products are sold by Contractor's Supply Inc. Featured as a major brand on homepage.
• Chicago HardwarecoreOthersChicago Hardware manufactures turnbuckles, U-bolts, and yoke ends that are sold through Contractor's Supply Inc. Multiple product pages reference this manufacturer.
• Midwest CanvasstandardOthersMidwest Canvas produces concrete curing blankets and poly-coated burlap products sold through Contractor's Supply Inc. The company has a dedicated manufacturer page on the CSI website.
• GreenleestandardOthersGreenlee manufactures PVC blankets and cutting tools that are sold by Contractor's Supply Inc. Products include pipe-bending blankets and threaded rod cutting equipment.
• PHD ManufacturingstandardOthersPHD Manufacturing produces turnbuckle adjusters, continuous threaded rod, U-bolts, and related hardware sold through Contractor's Supply Inc.
• Brighton BeststandardOthersBrighton Best is a fastener manufacturer whose threaded rods, all thread products, and structural bolts are sold through Contractor's Supply Inc.
• G-StrutstandardOthersG-Strut manufactures metal framing strut and channel products. Contractor's Supply Inc. carries an extensive G-Strut product catalog with 150+ items.
• Reliable Concrete AccessoriesstandardOthersReliable Concrete Accessories produces curing blankets including UltraCure NCF, UltraCure DOT, and EZcover products sold through Contractor's Supply Inc.
• BoschstandardOthersBosch power tools and accessories are featured as a brand on Contractor's Supply Inc.'s homepage.
• Stego IndustriesminorOthersStego Industries produces vapor barriers and mastic products for concrete construction. Sold through Contractor's Supply Inc.
• Raven IndustriesminorOthersRaven Industries manufactures construction films including Poly Dura Skrim and Poly Rufco products sold through Contractor's Supply Inc.
• W.R. MeadowsminorOthersW.R. Meadows produces waterproofing and dampproofing products including mastics sold through Contractor's Supply Inc.
• BASFminorOthersBASF produces construction chemicals including Frictex NS bag products sold through Contractor's Supply Inc.
• BlueLinxstandardOthersBlueLinx manufactures anchoring threaded rods (plain, zinc plated, HDG) sold through Contractor's Supply Inc.
• VulcanminorOthersVulcan produces stainless steel threaded rod products sold through Contractor's Supply Inc.
• Pacific Laser SystemsminorOthersPacific Laser Systems manufactures grade rods and laser alignment equipment sold through Contractor's Supply Inc.
• Knaack - Weather GuardstandardOthersKnaack (Weather Guard) truck boxes and storage products featured as a brand on Contractor's Supply Inc.'s homepage.

Scale indicators1 record

Recent moves3 records

Expansion highlights1 record

Direct peers

• Fastenal: Fastenal distributes fasteners, tools, and other industrial and construction supplies through a large local-branch and digital-sales network. It is particularly comparable to CSI's fastener-heavy assortment and contractor customer base.
• BMC: BMC is a building materials dealer serving builders, remodelers, and contractors with structural, interior, and general construction products. Its broad product assortment and branch-supported contractor distribution model closely resemble CSI's model.
• Core & Main: Core & Main distributes infrastructure, waterworks, and construction products to contractors, municipalities, and industrial customers. Its branch-based, relationship-led distribution model is relevant, though its specialization is narrower than CSI's general contractor-supply focus.
• White Cap: White Cap distributes construction supplies, tools, safety products, and fasteners to professional contractors through a broad branch and e-commerce network. Its product mix, customer base, and physical-plus-digital distribution model closely overlap with Contractor's Supply.
• Builders FirstSource: Builders FirstSource supplies building materials and value-added services to professional contractors in residential construction and repair. It is comparable through its contractor focus, broad materials catalog, and physical distribution footprint, although it operates at much greater scale.
• SRS Distribution: SRS Distribution is a wholesale building-products distributor serving roofing, exteriors, and specialty contractors through a large branch network. It is comparable in contractor distribution, product breadth, and local market service, although with substantially greater scale.
• L&W Supply: L&W Supply distributes specialty building products to professional contractors through physical locations and digital ordering. Its contractor customer base and building-supply distribution model overlap with CSI, though its product mix is more focused on interior systems.
• SiteOne Landscape Supply: SiteOne is a wholesale distributor of supplies to landscape and construction contractors through local branches and e-commerce. It is comparable in serving professional contractors with a broad product catalog and local availability, despite its landscape focus.

Broad incumbents

• HD Supply: HD Supply offers construction, maintenance, repair, and operations products to contractors, trades, and facilities professionals. It is a broader incumbent with overlapping hardware, tools, and building supplies rather than CSI's small regional focus.
• Ferguson: Ferguson is a large distributor of plumbing, HVAC, industrial, and related supplies to professional customers. It overlaps with CSI's contractor customer base and distribution model but is a much broader, multi-category incumbent.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/contractor-s-supply-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&A

Investments

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

Frequently asked questions about Contractor's Supply Inc.