Keller Brothers

Name

Keller Brothers

Legal name

Keller Brothers, Inc.

Website

https://kellerbrothers.com

Company type

Private

Founded year

1960

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Headquarters

HQ city

Mount Airy

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services: Keller Brothers generates revenue through construction project contracts including new construction, renovations, additions, and specialized construction management services. Revenue is project-based with payments typically tied to project milestones and completion. The company serves government (public schools, libraries, fire stations, police stations), educational institutions, and private market clients.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Keller Brothers is a family-owned construction company that delivers new construction, renovations, additions, design-build, and construction management services for public schools, government facilities (libraries, fire and police stations, airports, detention centers), and private-sector clients across Maryland, Washington D.C., Virginia, and Delaware. The work is delivered through three operating divisions: Keller Brothers (KBI) for general contracting and construction management, Keller Special Projects (KSP) for smaller-scale and customized work, and Keller Masonry (KMS) for masonry craftsmanship.

Product overview

Keller Brothers operates as a family-owned construction company founded in 1960, organized as a network of specialized divisions. The core offering is Keller Brothers (KBI), providing general contracting, construction management, and design-build services. Supporting this are two specialized divisions: Keller Special Projects (KSP) focused on smaller-scale customized construction work, and Keller Masonry (KMS) dedicated to comprehensive masonry craftsmanship. Together, these divisions serve markets including education, local government, and private commercial sectors across Maryland, Washington D.C., Virginia, and Delaware.

Differentiator

Problem solved

Functional benefit

Products and services

• Keller Brothers (KBI) — General Contracting, Construction Management, and Design-Build Core general contracting division delivering comprehensive construction services including new construction, additions, renovations, base buildings, and interior fit-outs for commercial, industrial, and residential projects. Also provides Construction Management and Design-Build services for public schools, government facilities, and private-sector clients across Maryland, Washington D.C., Virginia, and Delaware.
• Keller Special Projects (KSP) Specialized division focused on unique, smaller-scale construction projects requiring customized approaches, including repairs, alterations, modernization, minor new construction, maintenance, and fast-track construction projects. Targeted at government agencies (such as libraries, police barracks, and detention centers) and private clients needing nimble project delivery.
• Keller Masonry (KMS) Full-service masonry contractor offering brick work, block work, architectural block work, cast stone, architectural precast, rock and stone work, glass block installation, historic renovations, and repointing. Serves both Keller's internal projects and external clients seeking specialized masonry craftsmanship.

Named customers7 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

Partnerships

Two partnerships are on record, tiered minor.

• Altimate Electric, Inc.minorGTM or Marketing PartnerCo-hosted the 8th Annual 3V3 Charity Golf Tournament alongside Keller Brothers and Canyon Contracting. Altimate Electric is an electrical contracting company that partnered with Keller for community charitable events.
• Canyon ContractingminorGTM or Marketing PartnerCo-hosted the 8th Annual 3V3 Charity Golf Tournament alongside Keller Brothers and Altimate Electric. Canyon Contracting was founded by Jay D. Keller, former member of Keller Brothers leadership.

Scale indicators4 records

Recent moves9 records

Expansion highlights5 records

Broad incumbents

• Gilbane Building Company: National construction manager with particularly strong K-12 and higher-education vertical — overlapping with Keller's education focus at larger scale and broader geographic reach.
• Whiting-Turner Contracting Company: Much larger Maryland-headquartered national GC with broad commercial, institutional, and education portfolio — competing for the same public-sector work but at significantly greater scale.
• Clark Construction Group: Major Mid-Atlantic GC (Bethesda, MD) with deep public-sector, education, and institutional book of business — a substantially larger incumbent competing for the same Maryland/DC government and school system bids.

Direct peers

• DAVIS Construction: Rockville, MD-based general contractor serving commercial, education, and government clients across the Mid-Atlantic — directly comparable geography and customer mix.
• Forrester Construction: Mid-Atlantic commercial general contractor with strong K-12 and institutional education portfolio — directly comparable to Keller's core education and government vertical.
• Hourigan: Mid-Atlantic (Virginia-headquartered) general contractor with comparable size, commercial/institutional focus, and public-sector project experience — directly overlapping with Keller in geography and customer verticals.
• Coakley & Williams Construction: Mid-Atlantic general contractor with significant K-12 and higher-education portfolio — direct competitor in Keller's core Maryland school construction segment.
• Donohoe Construction: Washington DC-area commercial general contractor with strong institutional and government client base — overlaps with Keller's DC/Maryland government vertical.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/kellerbrothers
• LinkedInlinkedin.com/company/keller-brothers-and-keller-construction-management
• Instagraminstagram.com/kellerbrothers
• Xx.com/KCMandKBI

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries3 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 Keller Brothers