What RBS does

RBS Inc. is a privately held construction materials company founded in 1964 and headquartered in the Greenbrier Valley of West Virginia, operating continuously under the same management for over 60 years. The company sources, produces, and supplies ready-mix concrete, crushed limestone aggregate, and concrete block/masonry products through two production facilities: Greystone Quarry (a West Virginia Division of Highways Approved Aggregate Source, Source Code S011B) and Union Concrete Products (block and masonry manufacturing). Its concrete plant is NRMCA certified and supervised by a professional engineer, two WV DOH PCC Technicians, and an ACI Grade 1 Technician, with batching controlled by a Command Alkon computer system and 100% emergency power backup ensuring uninterrupted pours.

RBS serves two primary customer segments. The Commercial & Industrial segment — contractors, construction companies, commercial developers, and government/DOT projects — is the primary revenue driver and is supported by a native delivery capacity of approximately 20,000 ton-mile/day, a supply rate of 60 cubic yards per hour, and a demonstrated single-day capacity of 800 cubic yards. The Farm & Home segment supplies individual homeowners, farmers, and small property owners with smaller-quantity deliveries and tailgate service. The product range spans standard AASHTO aggregate sizes plus custom specifications, concrete mixes from 2,000 to 10,000 psi with admixture options, and concrete blocks in limestone and lightweight materials at multiple depths.

The business model is direct-to-customer, quote-based pricing, with phone orders and a one-day account setup. RBS operates its own delivery fleet, eliminating third-party hauling and enabling both large commercial pours and remote rural deliveries. Marketing relies on the company website, a Facebook page, and memberships in CAWV, BSA, NSSGA, and NRMCA. The company employs 11–50 people, has no disclosed external capital, and shows no evidence of M&A, funding, or expansion activity in the source data.

Name

RBS

Legal name

RBS Inc.

Website

https://rbsinc.com

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

11–50 employees

Short description

RBS Inc. is a West Virginia construction materials producer, founded in 1964, that supplies ready-mix concrete, crushed limestone aggregate, and concrete block through Greystone Quarry and Union Concrete Products to commercial, industrial, farm, and residential customers in the Greenbrier Valley region.

Ownership category

akta.pro rank

Headquarters

HQ city

Caldwell

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Concrete Sales: Sale of ready-mix concrete to commercial, industrial, farm, and residential customers. Products include various psi strengths (2000-4000 psi standard, up to 10,000 psi special mixes), with options for flyash addition, coloring, and various admixtures (retarders, accelerators, super-plasticizers, fibers).
2. Aggregate Sales: Sale of crushed stone and sand products in various AASHTO sizes (#1-#200, Crusher Run, Rip-Rap, Gabion). Includes commercial aggregate for DOT projects and smaller quantities for farm/home use.
3. Block & Masonry Sales: Sale of manufactured concrete block in limestone and lightweight materials. Block dimensions are 16 inches long by 8 inches high, available in 4", 6", 8", 10" and 12" depths.
4. Delivery Services: Delivery of materials using company-owned fleet. Commercial capability: 20,000 ton-mile/day native capacity. Farm/home deliveries with smaller quantities and tailgate service.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

RBS Inc. sources, produces, and supplies ready-mix concrete, limestone aggregate, and concrete block/masonry building products for commercial, industrial, farming, and residential construction projects. The company operates Greystone Quarry (aggregate production) and Union Concrete Products (block manufacturing), delivering materials via its own truck fleet across the Greenbrier Valley region of West Virginia.

Product overview

RBS Inc. (Ready Mix Supply) is a construction materials company operating since 1964 in the Greenbrier Valley, West Virginia. The company operates two main production facilities: Greystone Quarry (aggregate) and Union Concrete Products (block & masonry). Its product portfolio consists of three core offerings: Aggregate (various limestone sizes including AASHTO standards, Crusher Run, Rip-Rap, and manufactured sand), Concrete (ready-mix in multiple psi ratings with admixture options), and Block & Masonry (concrete blocks in limestone and lightweight variants). Products are distributed through two market segments—Commercial & Industrial (high-volume projects with delivery logistics) and Farm & Home (smaller quantities with tailgate service).

Differentiator

Problem solved

Functional benefit

Brands

• Greystone Quarry: A West Virginia Division of Highways Approved Aggregate Source operated by RBS Inc.
• Union Concrete Products

Products and services

• Aggregate Limestone aggregate products from Greystone Quarry, a West Virginia Division of Highways Approved Aggregate Source (Source Code S011B). Products include AASHTO standard sizes (#1, #2, #3, #4, #57, #67, #7, #8, #9), Crusher Run (1-1/2", 3/4", 1/2"), Rip-Rap, Gabion stone, manufactured sand (C33 specification and non-spec), and agricultural lime. Custom specifications including causeway rip-rap (12-32") and gabion stone (4-12") are available. Aggregate exhibits no alkali-silica reactivity.
• Ready-Mix Concrete Ready-mix concrete supplied from an NRMCA-certified plant, available in various compressive strengths from 2000 psi to 10,000 psi. Options include flyash addition, color additives, fibers, retarders, accelerators, and super-plasticizers. Supply rate up to 60 cy/hr with a recorded maximum of 800 cubic yards in a single day. Plant is supervised by a professional Engineer, two WV DOH PCC Technicians, and an ACI Grade One Technician.
• Block & Masonry Manufactured concrete block produced in limestone and lightweight materials. All blocks are 16 inches long by 8 inches high, yielding 1.125 blocks per square foot of wall. Available in depths of 4", 6", 8", 10", and 12". Manufactured at Union Concrete Products facility.
• Farm & Home Delivery Service
• Commercial & Industrial Supply and Delivery High-volume supply and delivery service for commercial, industrial, and government projects including WV DOT work. Native delivery capability of 20,000 ton-mile/day range, with additional capacity available through trucking partner coordination. Greystone Quarry serves as WV DOH Approved Aggregate Source (Source Code S011B) for highway and infrastructure projects.

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators5 records

Recent moves5 records

Expansion highlights2 records

Broad incumbents

• Vulcan Materials Company: Largest U.S. producer of construction aggregates, with significant crushed stone, ready-mix concrete, and asphalt operations across multiple states. Operates at vastly larger scale than RBS but competes in the same core limestone aggregate and DOT-certified products markets.
• Martin Marietta Materials: Major U.S. supplier of aggregates (crushed stone, sand and gravel) and ready-mixed concrete with operations across the Southeast, Midwest, and Mid-Atlantic — including West Virginia-adjacent markets. Closely comparable product mix to RBS at national scale.
• Summit Materials: Vertically integrated construction materials company operating aggregates, cement, and ready-mix concrete businesses across the U.S., including Appalachian markets. Comparable in vertical integration from quarry to concrete delivery, similar to RBS's structure.
• U.S. Concrete (now Vulcan Materials): Acquired by Vulcan Materials in 2021, was a major producer of ready-mixed concrete and aggregates in the U.S. Direct product overlap with RBS's concrete and aggregate offerings, though at substantially larger scale.
• Cemex: Global building materials company with U.S. ready-mix concrete and aggregates operations, particularly active in the Southeast and Mid-Atlantic. Competes with RBS for the same commercial and DOT contractor customers in overlapping regional markets.
• Arcosa, Inc. Provider of infrastructure-related products including natural and recycled aggregates, specialty materials, and concrete blocks. Its Engineered Structures segment produces concrete block products comparable to RBS's Union Concrete Products line.
• Eagle Materials: Producer of cement, wallboard, concrete, and aggregates with operations primarily in the central and southern U.S. Comparable in producing cement-based building products and aggregates, though more diversified into wallboard.
• Texas Industries (TXI): Now part of Martin Marietta, was a major Texas-based producer of cement, ready-mix concrete, and aggregates. Comparable product mix and customer base (commercial construction, DOT work) to RBS, though at larger regional scale.

Direct peers

• U.S. Lime & Minerals: Largest U.S. producer of high-purity lime and limestone products with multiple plants across the country. Most directly comparable to RBS's Greystone Quarry limestone operations, including specialty-grade aggregate and lime products for construction and industrial use.
• Smyrna Ready Mix Concrete: Privately held, regional ready-mix concrete and aggregates supplier operating across the southeastern U.S. Closest comparable to RBS in being a private, regionally focused operator combining ready-mix concrete, aggregate production, and delivery services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/RBSInc
• LinkedInlinkedin.com/company/rbs-inc.

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 RBS