Tidewater Block

What Tidewater Block does

Tidewater Block LLC is a family-owned manufacturer and distributor of concrete masonry units (CMUs) headquartered at 999 Kenyon Road in Suffolk, Virginia. The company produces standard gray CMUs in six sizes (4", 6", 8", 10", 12", 14") across solid, hollow, bullnose, ashlar, and bond beam configurations, alongside architectural products including split face blocks, colored blocks, and Spectra Glaze pre-finished glazed units. Its most differentiated offering is the proprietary Amidon ArmorBlock fortified CMU system, which combines specialized A-Block and H-Block geometry with Amidon Shield high-performance cementitious fill for security-sensitive applications in critical infrastructure, utilities, data centers, and government facilities. Supporting accessory products include concrete lintels (48" to 144"), mortar, cement, wire, and masonry accessories sourced through manufacturer partnerships.

The company operates a sales-led, regionally focused go-to-market model targeting construction contractors, masonry contractors, building owners, and developers throughout the Chesapeake region — specifically Virginia Beach, Norfolk, Newport News, Suffolk, Williamsburg, Chesapeake, parts of North Carolina, and the outskirts of Richmond, Virginia. Pricing is exclusively quote-based with no publicly disclosed rates; customers initiate engagement via a local phone line (757-539-1576), a toll-free number (800-296-2562), the website Request-a-Quote form, or direct dispatch email. Tidewater Block holds memberships in the Southeast Concrete Masonry Association (SCMA) and the Concrete Masonry & Hardscapes Association (CMHA), and maintains a GTM partnership with Beauty of Block for project support services. All CMUs are manufactured to meet or exceed ASTM-C90 specifications for load-bearing units.

Revenue is generated through three hardware-sales streams: standard CMUs (the bulk of volume), specialty block products (split face, colored, Spectra Glaze), and the Amidon ArmorBlock system. Notable reference projects showcased include Old Dominion University Darden College of Education, Norfolk State University GWC Memorial Brown Hall, Larchmont School, Simonsdale Elementary, Ted Constant Convocation Center, Powhatan Sports Complex, Campostella, Goodwill, and AutoZone. With 11-50 employees and a single Suffolk manufacturing facility, the company is positioned as a regional specialty supplier rather than a national player, with its principal defensible niche in the fortified security wall segment.

Name

Tidewater Block

Legal name

Tidewater Block LLC

Website

https://tidewaterblock.com

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Tidewater Block LLC is a family-owned manufacturer and distributor of concrete masonry units serving construction contractors throughout the Chesapeake region of Virginia and parts of North Carolina, with a proprietary fortified CMU system for security applications.

Ownership category

akta.pro rank

Product category

Concrete Masonry Products

NAICS

Concrete Block and Brick Manufacturing (327331)

akta.pro primary industry

Concrete Masonry Units (CMU) & Concrete Blocks (IMADABAB)

Keywords

• Concrete masonry units
• CMU manufacturing
• Concrete blocks
• Masonry supplies
• Concrete lintels

Headquarters

HQ city

Suffolk

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Concrete Masonry Units (CMUs): Primary revenue from manufacturing and distributing standard gray concrete masonry units in various sizes (4", 6", 8", 10", 12", 14"), shapes, and configurations including hollow, solid, bullnose, ashlar, and bond beam units.
2. Specialty Block Products: Revenue from split face blocks, colored blocks, Spectra Glaze concrete blocks, and specialty products including concrete lintels, mortar, cement, wire, and accessories.
3. Amidon ArmorBlock System: Proprietary fortified CMU system with Amidon Shield fill for security-driven construction projects requiring enhanced physical security and resilience.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Tidewater Block is a family-owned manufacturer and distributor of concrete masonry units (CMUs), producing standard gray concrete blocks in sizes from 4" through 14" along with split face blocks, colored blocks, and Spectra Glaze pre-finished glazed concrete blocks. The company also produces the proprietary Amidon ArmorBlock fortified CMU system, which uses specialized A-Block and H-Block geometry combined with Amidon Shield cementitious fill for security-sensitive and resilience-focused construction. Supporting products include concrete lintels, mortar, cement, wire, and masonry accessories, all manufactured to meet or exceed ASTM-C90 specifications.

Product overview

Tidewater Block is a family-owned manufacturer and distributor of concrete masonry units (CMUs) serving the Chesapeake region. Their product portfolio centers on standard gray concrete blocks in multiple sizes (4" through 14"), split face architectural blocks with textured finishes, colored blocks, and Spectra Glaze pre-finished glazed units as a certified Virginia dealer. The specialty offerings include Amidon ArmorBlock—a fortified CMU system using specialized A-Block and H-Block geometry with Amidon Shield cementitious fill designed for security-sensitive applications. Supporting products include concrete lintels, mortar, cement, wire, and accessories sourced through partnerships with manufacturers like Argos, Hohmann & Barnard, and Wire-Bond. The company provides technical resources including estimating guides, safety data sheets, and technical specifications to support contractors and builders.

Differentiator

Problem solved

Functional benefit

Brands

• ArmorBlock: A fortified concrete masonry unit system produced by Tidewater Block, filled with Amidon Shield for projects requiring stronger, tougher, more resilient wall assemblies than conventional CMU construction. Includes A-Block and H-Block specialized geometry.

Products and services

• Gray Concrete Block

Quantifiable outcome

• 1.13 blocks per square foot of wall area (industry standard calculation)
• +1 more outcomes

Named customers9 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered core and minor.

• AmidoncoreStrategic or Co-development PartnerStrategic partnership for Amidon ArmorBlock fortified CMU system. Amidon provides Amidon Shield high-performance cementitious fill used in the ArmorBlock system. Tidewater Block coordinates with Amidon for technical support, project discussions, and wall design assistance for security-sensitive projects.
• Beauty of BlockcoreGTM or Marketing PartnerMarketing and project support partnership. Beauty of Block provides project support services for Tidewater Block customers, including CMU project assistance and coordination.
• SCMA (Southeast Concrete Masonry Association)minorOthersIndustry association membership for Southeast Concrete Masonry Association, providing industry visibility and credibility.
• CMHA (Concrete Masonry & Hardscapes Association)minorOthersIndustry association membership for Concrete Masonry & Hardscapes Association, providing industry visibility, technical resources, and credibility.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Others

• Amidon: Strategic partner supplying Amidon Shield high-performance cementitious fill used in Tidewater's ArmorBlock system. Relevant as a co-development partner that enables the differentiated security-grade product line.

Direct peers

• York Building Products: Regional Mid-Atlantic concrete block, paver, and stone manufacturer serving Pennsylvania, Maryland, and Virginia. Comparable as a regional CMU manufacturer with overlapping product categories and similar distribution model.
• Nitterhouse Masonry: Mid-Atlantic concrete masonry manufacturer producing CMUs, architectural block, and specialty masonry products. Closely comparable mid-sized regional CMU manufacturer with similar product breadth and contractor-focused GTM.
• Echelon Masonry: Manufacturer of architectural concrete masonry products including split face, ground face, and glazed units. Comparable on architectural/decorative CMU products, particularly the Spectra Glaze and specialty finish categories.

Regional players

• Mutual Materials: Pacific Northwest-based manufacturer of concrete masonry, brick, and hardscape products. Comparable as a regional CMU producer with an architectural and standard block product mix, though operating in a different primary geography.
• Concrete Supply Co. Southeast-based concrete and masonry products supplier serving the Carolinas and Virginia. Comparable as a regional concrete products distributor with adjacent product lines and overlap in Tidewater's Chesapeake/NC territory.
• Block USA: Producer of concrete masonry units and architectural block serving the southeastern United States. Comparable product line and contractor go-to-market, with a regional footprint that overlaps Tidewater's broader Southeast service area.

Broad incumbents

• Oldcastle APG: A CRH company and one of the largest producers of concrete masonry, hardscapes, and packaged concrete products in North America. Comparable CMU and masonry product lines, with substantially broader geographic reach and product breadth.
• CEMEX: Global building materials company with significant U.S. operations in cement, ready-mix, aggregates, and concrete masonry products. Comparable as a vertically integrated concrete block and masonry supplier competing for the same contractor customers.
• Quikrete: Largest manufacturer of packaged concrete products in the U.S., producing concrete block, mortar, and cement for contractors nationwide. Directly comparable product portfolio but vastly larger scale and national distribution versus Tidewater Block's regional Chesapeake footprint.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/tidewater-block-llc

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 Tidewater Block