Industrial Wastewater Treatment Systems Engineering Firm, 47-Year Texas Fabricator

$2.3M

Revenue

$675K

SDE

10.4x

Multiple

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Full Editorial Writeup

This is a nearly five-decade-old professional engineering and fabrication firm operating out of Texas that designs, builds, and installs industrial wastewater treatment systems. With over 1,000 systems installed worldwide, the business offers turnkey solutions across the full project lifecycle: feasibility studies, design engineering, in-house fabrication, installation, and startup. The vertical integration is the story here, they control the process from concept to commissioning, which supports quality and margins in a way that pure engineering shops or pure equipment resellers cannot match.

The firm operates from a 4-acre owned site with two production buildings (15,000 and 12,000 sq. ft.) plus a 3,600 sq. ft. office building. It runs lean with 13 employees (9 full-time, 4 part-time) and holds the ability to secure treasury-rated performance bonds for major projects, a meaningful signal of financial credibility that gates them into larger institutional and industrial contracts. Two regional and six to seven national/international competitors define a specialized, high-barrier niche.

The headline economics need scrutiny. The $7.05M ask carries $3.8M of real estate, so on a pure-operations basis the business is roughly $3.25M against $674,810 of cash flow, closer to a 4.8x operating multiple than the 10.45x the headline implies. Regulatory tailwinds around PFAS treatment and zero-liquid-discharge (ZLD) systems give this a genuine growth thesis, but this is a project-based, engineer-dependent business, not a subscription machine, and the retiring owner is central to that expertise.

Why we like it

Earnings quality is anchored in a diversified, project-based model with real hard assets: $390k of FF&E and $3.8M of real estate backstop the $674,810 cash flow. Stripping out real estate, the operating business trades near 4.8x, which is a reasonable price for a 47-year franchise with in-house manufacturing and bonding capacity.
The moat is real and hard to replicate. Nearly five decades of operating history, 1,000-plus installed systems, treasury-rated performance bonding, and full vertical integration from design through startup create switching costs and credibility that a new entrant cannot buy. Only two regional competitors exist in this specialized segment.
Regulatory tailwinds are strengthening, not fading. PFAS treatment mandates and zero-liquid-discharge requirements are driving mandatory industrial wastewater spend regardless of the economic cycle, and this firm is already positioned in exactly those categories with the technical capability to capture the work.
This is a genuinely essential, non-discretionary product. Industrial facilities must treat wastewater to stay compliant and operating, which means demand holds up in a downturn. The bonding capability also gates the firm into larger, well-capitalized projects that smaller shops cannot bid.

How to improve it

De-risk the founder dependency immediately. Nearly five decades of process expertise likely lives in the retiring owner's head, so within 90 days document the design libraries, standard operating specs, vendor relationships, and estimating methodology, and lock in an engineering lead with retention incentives to hold the technical knowledge post-close.
Build a recurring service and maintenance layer on the installed base of 1,000-plus systems. Reactivate those customers with annual inspection contracts, parts replacement programs, and preventive maintenance agreements, converting a purely project-driven revenue model into partial recurring revenue that smooths the lumpiness.
Lean hard into the PFAS and ZLD growth verticals with a dedicated sales effort. The listing flags these as high-potential but there is no evidence of a proactive sales team, so hiring a technical business development rep to chase regulatory-driven RFPs could meaningfully lift the $2.3M revenue base.
Formalize a project pipeline and backlog reporting system. At $2.3M revenue with project lumpiness, understanding contracted backlog versus quoted pipeline is critical for both operations and eventual resale, and buyers should institute monthly bookings-and-backlog reporting from day one.
Evaluate a modest price separation of the real estate. Since $3.8M of the $7.05M ask is the building, consider a sale-leaseback structure to reduce acquisition capital, free up cash for growth, and let the operating business stand on its own economics.
Systematize estimating and margin tracking by project. Turnkey wastewater builds carry material cost and labor risk, so implementing job-costing discipline to protect gross margin on custom-engineered packages will directly protect the $674,810 cash flow line.

Diligence notes

Scrutinize revenue concentration and customer diversity. With only $2.3M in revenue from project-based work, a handful of large contracts likely drive results, so pull three to five years of project-level revenue to understand lumpiness, repeat customers, and whether any single client is a going-concern risk.
Validate the cash flow durability without the owner. The $674,810 SDE almost certainly reflects the founder's technical role, so confirm what portion of gross margin depends on his personal engineering judgment and relationships, and stress-test earnings under a scenario where he fully exits after the 4-week training window.
Confirm backlog and contracted work at close. Project businesses can look healthy on trailing financials while the forward pipeline is thin, so verify signed contracts, bonded commitments, and quoted opportunities to ensure you are not buying a business between project cycles.
Reconcile the real estate valuation and the true operating multiple. The $3.8M real estate figure needs an independent appraisal, and buyers should re-underwrite the operating business at roughly 4.8x cash flow separate from the property to avoid overpaying on the blended 10.45x headline.
Review bonding capacity and its transferability. The treasury-rated performance bonding is a core competitive advantage that may be tied to the current owner's financial standing and track record, so confirm with the surety whether bonding lines survive a change of ownership.

Source

Originally listed on BizBuySell. View original listing →