Waterline Industries Corporation

What Waterline Industries Corporation does

Waterline Industries Corporation is a Seabrook, New Hampshire-based specialty construction contractor focused on water and wastewater infrastructure for public-sector and institutional clients throughout New England. Founded in 1987, the company designs, builds, modernizes, and rehabilitates water treatment plants, wastewater treatment facilities, pump stations, and related process systems — including specialized treatment technologies such as PFAS removal via granular activated carbon and GreensandPlus filtration, UV disinfection, ozone treatment, biological pressure filtration, and secondary clarifier construction. It is qualified to perform work in New Hampshire, Massachusetts, and Maine, and holds Massachusetts DCAMM certifications across nine categories including Sewage & Wastewater Treatment Plants, Pumping Stations, Plumbing, HVAC, Electrical, Mechanical Systems, Roofing, and Miscellaneous Metal.

The company self-performs multiple critical construction trades — site work, concrete, plumbing, HVAC, roofing, thermal protection, carpentry, equipment installation, electrical, and instrumentation & controls — rather than outsourcing them. This self-perform model gives Waterline direct control over schedule, safety, quality, and cost, and supports both competitive-bid and design-build delivery methods where it partners with engineers and owners during the design phase to align constructability with long-term operational efficiency. Revenue is generated project-by-project through competitive bidding on public works and design-build contracts; pricing is not publicly disclosed because contracts are awarded through public procurement.

Waterline became a 100% employee-owned company in 2018 when the founding family transitioned ownership to an Employee Stock Ownership Plan (ESOP), with an Executive Chairman (Ralph W. Dumke) and a professional C-suite (CEO, CFO, COO) overseeing operations. The company runs an NCCER-certified apprenticeship program to develop its craft workforce and maintains a relationship-based go-to-market motion centered on its New England municipal client base.

Name

Waterline Industries Corporation

Legal name

Waterline Industries Corporation

Website

https://waterlineind.com

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

51–100 employees

Short description

Waterline Industries Corporation is a Seabrook, NH-based specialty construction contractor building and modernizing water and wastewater treatment infrastructure for municipalities across New Hampshire, Massachusetts, and Maine. Founded in 1987 and 100% employee-owned since 2018, it self-performs multiple trades and delivers projects via competitive bid and design-build.

Ownership category

akta.pro rank

Product category

Municipal Water and Wastewater Construction Services

NAICS

Water Supply and Irrigation Systems (22131), Water, Sewage and Other Systems (2213)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Pumps & Pumping Equipment (3561)

akta.pro primary industry

Water Treatment Plant Construction (Drinking Water) (IMAFAGAA)

akta.pro secondary industries

Pump Stations, Lift Stations & Booster Stations Construction (IMAFAGAD), Construction Management & Delivery (EPCM/CMAR/Design-Build Oversight) (EUANALAE), Water Reuse & Reclamation Infrastructure Construction (Recycled Water Systems) (IMAFAGAH)

Keywords

• Water infrastructure construction
• Wastewater treatment construction
• Pump station construction
• Municipal construction services
• PFAS treatment systems

Headquarters

HQ city

Seabrook

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Municipal Water Infrastructure Construction: Project-based construction contracts for municipal water and wastewater treatment facilities, pump stations, and infrastructure systems. Revenue is generated through competitive bidding on public works projects throughout New England.
2. Wastewater Infrastructure Construction: Construction services for wastewater treatment facilities, including new construction, rehabilitation, and modernization projects for municipal clients.
3. Design-Build Projects: Collaborative delivery method where Waterline partners with engineers and owners through design-build arrangements, contributing construction expertise during the design phase.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

Waterline Industries Corporation is a New England construction contractor that builds, upgrades, and modernizes water and wastewater treatment facilities, pump stations, and related infrastructure for municipal and industrial clients. The firm self-performs multiple critical trades (electrical, instrumentation & controls, HVAC, plumbing, roofing, concrete) and delivers specialized treatment systems including PFAS removal, GreensandPlus filtration, ozone, UV disinfection, and biological pressure filtration. It also provides design-build and early-involvement delivery methods across NH, MA, and ME.

Product overview

Waterline Industries Corporation is a specialized water and wastewater infrastructure construction company serving New England municipalities and industrial facilities. The company operates as a single unified service offering rather than a platform-plus-modules architecture. Its core portfolio comprises water treatment facility construction, wastewater treatment facility construction, pump station installation and modernization, and specialized treatment systems including PFAS treatment, GreensandPlus filtration, UV disinfection, and ozone treatment. The company self-performs multiple critical construction trades including electrical, instrumentation & controls, HVAC, plumbing, roofing, and concrete work. Additional services include design-build partnerships, process system installation, equipment integration, and facility retrofits. The company is 100% employee-owned and operates throughout New England (NH, MA, ME), with DCAMM certification in Massachusetts for construction of sewage and wastewater treatment plants, pumping stations, and related building systems.

Differentiator

Problem solved

Functional benefit

Products and services

• Water Treatment Facility Construction Construction, upgrades, expansions, and modernization of municipal and industrial water treatment facilities, including new builds and complex rehabilitation projects within active operating plants across New England.
• Wastewater Treatment Facility Construction Construction and rehabilitation of wastewater treatment facilities, including new construction and upgrades within operational plants for municipal clients.
• Pump Station Construction and Modernization New pump station installations and facility modernization services for water and wastewater systems, including comprehensive rehabilitation projects for municipal clients.
• Self-Perform Construction Trades In-house construction capabilities covering site work, roofing, plumbing, concrete, HVAC, thermal protection, carpentry, equipment installation, and electrical and control systems, allowing direct control over quality, schedule, and safety on water and wastewater projects.
• PFAS Treatment Systems Construction of granular activated carbon (GAC) filtration systems designed to remove PFAS contaminants from water, including dedicated PFAS treatment buildings for municipal water utilities.
• Biological Pressure Filtration Systems Water treatment systems utilizing biological pressure filtration, chemical feed systems, and deep bubble aeration for municipal and industrial water treatment plants.
• GreensandPlus Filtration Systems Water treatment systems using GreensandPlus filtration media for iron, manganese, and PFAS removal, built as 1.8 MGD water treatment plants for municipal clients.
• Secondary Clarifier Construction Construction of secondary clarifiers for wastewater treatment facilities, including concrete tankage, drive mechanisms, and associated systems.
• Emergency Water System Installation Rapid deployment of prefabricated water booster pump stations and emergency water supply systems for municipalities facing urgent service needs.
• Design-Build Services Collaborative design-build and early-involvement delivery services partnering with engineers and owners to align design with constructibility, cost control, and long-term operational efficiency on water and wastewater projects.
• Ozone Treatment Systems Ozone generation and injection systems for water treatment plant upgrades, including new ozone buildings for municipal water treatment clients.
• UV Disinfection Systems Ultraviolet disinfection systems for wastewater treatment, including low-pressure inline UV units and tidal discharge operations for municipal clients.

Named customers8 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators3 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Stantec: Stantec is a global engineering and construction services firm with a substantial North American water practice covering treatment plant design and program management. Comparable incumbent peer for municipal water infrastructure work.
• Woodard & Curran: Woodard & Curran is an integrated engineering, operations, and construction firm with strong water/wastewater municipal practice across the Northeast. Comparable for serving the same municipal water clients, though its scope spans consulting and O&M rather than construction-only.
• Pennichuck Water Works / AECOM Water: AECOM operates a large water infrastructure practice providing design, program management, and construction services to utilities globally. Relevant incumbent peer for very large municipal treatment plant programs where it competes against or partners with regional specialists like Waterline.

Direct peers

• Methuen Construction: Methuen Construction is a self-performing utility/heavy civil contractor based in New England with a dedicated water and wastewater treatment plant practice. Directly comparable in scope, regional footprint, and self-perform construction delivery.
• R.H. White Construction: R.H. White is a New England-based general/utility contractor with extensive water and wastewater treatment plant construction experience across MA, NH, and CT. Highly comparable given overlapping geographic footprint and core self-perform utility construction model.
• Daniel O'Connell's Sons: Daniel O'Connell's Sons is a multi-generation family-owned construction firm with a significant water/wastewater treatment plant practice serving municipalities in the Northeast. Directly comparable regional construction peer with similar self-perform capabilities.
• BHD Construction: BHD Construction specializes in water and wastewater treatment plant construction and rehabilitation for municipal clients across the Northeast. Comparable for the same target customer base and treatment plant core service line.

Emerging players

• Tighe & Bond: Tighe & Bond is a Northeast engineering firm providing water and wastewater planning, design, and construction administration services. Adjacent to Waterline's scope as a designer that often partners with or competes against construction firms for municipal clients.
• Tata & Howard: Tata & Howard is a New England water and wastewater consulting engineering firm specializing in municipal water system design. Comparable as a regional specialist serving the same municipal water customer base, though engineering rather than construction delivery.
• Wright-Pierce: Wright-Pierce is a New England-based engineering firm focused on water, wastewater, and stormwater infrastructure for municipal clients. Adjacent rather than direct since it primarily designs and provides construction-phase engineering, but competes for the same project pipeline.

Market position

Strengths5 records

Weaknesses2 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UC3J0nMT4x7KzW3miYalEI5A
• LinkedInlinkedin.com/company/waterline-industries

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 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 Waterline Industries Corporation