Sidener Environmental Services, Inc.

What Sidener Environmental Services, Inc. does

Sidener Environmental Services, Inc. is a privately held water and wastewater equipment distributor and service provider founded in 1997 and headquartered in St. Louis, Missouri. The company operates as an authorized service provider and parts distributor for seven core OEMs, including Evoqua/Wallace & Tiernan (gas chlorinators, UV disinfection, analyzers), Walchem (analyzers and metering pumps, where Sidener holds Master Distributor status), Bermad (automatic control valves), Iwaki America (magnetic drive and diaphragm pumps), UGSI Solutions (polymer and chemical feed systems), Sherwood (chlorine valves), and Integrity Municipal Systems (lime slakers, emergency chlorine scrubbers). Its product catalog extends to over 25 manufacturers covering complementary categories such as scales, pumps, valves, fittings, safety equipment, and chemical handling supplies. The company serves municipalities and industrial water/wastewater operators primarily in Missouri and the broader Midwest United States.

The business operates three revenue streams: equipment distribution (hardware sales of new OEM products), parts distribution (replacement components), and service and repair (in-house bench repair, on-site technician dispatch, annual maintenance contracts, and chlorine detector calibration). A 10,000 sq ft warehouse in St. Louis supports inventory availability and rapid parts fulfillment. The company is led by founder L.E. Sidener II (President & CEO) with a team of approximately 8 named personnel representing over 100 years of combined water industry experience, including certified service technicians, inside sales, and field service personnel. Sidener has no external investors, no parent company, no subsidiaries, and no disclosed funding history.

Go-to-market is direct enterprise field sales targeting municipal water/wastewater treatment facilities and industrial process water operators, supplemented by the company's website (sidener.net) as a top-of-funnel information channel. Pricing is quote-based and not publicly disclosed. The company's competitive positioning rests on multi-OEM authorized distribution, in-house technical service capability, and local inventory availability, which together allow it to function as a one-stop regional partner for equipment supply, parts, and maintenance across the water and wastewater treatment value chain.

Name

Sidener Environmental Services, Inc.

Legal name

Sidener Environmental Services, Inc.

Website

https://sidener.net

Company type

Private

Founded year

1997

Operating status

Operating

Headcount range

1–10 employees

Short description

Sidener Environmental Services is a St. Louis-based, privately held water and wastewater equipment distributor and service provider, authorized for 7+ major OEMs. Founded in 1997, it sells equipment and parts, and provides repair and maintenance to municipalities and industrial operators in the Midwest US.

Ownership category

akta.pro rank

Headquarters

HQ city

St Louis

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Equipment Distribution: Distribution of water and wastewater equipment from multiple manufacturers including Evoqua, Walchem, Bermad, Iwaki America, UGSI, Sherwood, and Integrity Municipal Systems.
2. Parts Distribution: Authorized parts distributor providing replacement components for equipment sold.
3. Service and Repair: In-house and on-site maintenance, repairs, and calibrations for water and wastewater equipment including free estimates on equipment sent in for repair.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels1 record

Core offering

Sidener Environmental Services is a manufacturers' representative, distributor, and authorized service provider for the water and wastewater industry. It distributes and services equipment such as gas chlorinators, analyzers, metering pumps, automatic valves, chemical feed systems, and disinfection products from brands including Evoqua, Walchem, Bermad, Iwaki America, UGSI, Sherwood, and Integrity Municipal Systems, and provides in-house and on-site repair, calibration, and annual maintenance for municipalities and industrial customers.

Product overview

Sidener Environmental Services is a water and wastewater product distributor and service provider based in St. Louis, MO, established in 1997. The company operates as a manufacturers representative, distributor, and authorized service provider for multiple water treatment equipment brands including Evoqua/Wallace & Tiernan (gas chlorinators, UV disinfection, analyzers), Walchem (analyzers and metering pumps as Master Distributor), Iwaki America (magnetic drive and diaphragm pumps), Bermad (automatic water control valves), UGSI Solutions (polymer feed systems, liquid and dry chemical feed systems), Sherwood (chlorine valves), and Integrity Municipal Systems (lime slakers, emergency chlorine scrubbers). The portfolio also includes complementary products from over 20 additional manufacturers covering scales, pumps, valves, fittings, and safety equipment. Services include in-house and on-site repairs, maintenance (monthly chlorine detector calibrations, annual chlorination equipment servicing), with a 10,000 sq ft warehouse for inventory and parts distribution.

Differentiator

Problem solved

Functional benefit

Products and services

• Evoqua / Wallace & Tiernan Equipment Distribution Distribution and authorized service of Evoqua/Wallace & Tiernan gas chlorinators, OSEC systems, analyzers, UV disinfection systems, and Water Champ products for municipal and industrial water treatment customers.
• Walchem Analyzers and Metering Pumps Distribution Master distribution of Walchem analyzers and metering pumps for water treatment monitoring and chemical dosing, with authorized service and parts supply.
• Iwaki America Mag-Drive and Double Diaphragm Pumps Distribution Distribution of Iwaki America magnetic drive and double diaphragm pumps for chemical transfer applications in water and wastewater treatment.
• Bermad Automatic Water Control Valves Distribution Distribution of Bermad Inc. automatic water and fluid control valves for precise flow management in municipal and industrial water systems.
• UGSI Solutions Chemical and Polymer Feed Systems Distribution Distribution of UGSI Solutions PolyBlend polymer feed systems, Encore pumps, liquid feed systems, dry chemical feed systems, and Varea-Meter variable area flowmeters.
• Integrity Municipal Systems Equipment Distribution Distribution of Integrity Municipal Systems lime slakers, feeders, and emergency chlorine scrubbers for municipal water treatment facilities.
• Sherwood Chlorine Valves and Accessories Distribution Distribution of Sherwood chlorine valves and accessories for gas chlorination systems in water treatment applications.
• Complementary Water Treatment Products Distribution Distribution of complementary water and wastewater products from additional manufacturers including Force Flow scales, Webtrol booster pumps, Powell Fabrication emergency chlorine shut-off systems, Stenner peristaltic pumps, Therma-Stor dehumidifiers, FloMotion peristaltic pumps and level/flow meters, Chlorine Specialties strainers and filters, Omega Flex hose and braid, MSA SCBA and protective equipment, Cla-Val automatic control valves, LMI metering pumps, Asco solenoid valves, Spears Schedule 80 plastic valves and fittings, Keco hose pumps, PulsaFeeder liquid metering pumps, Scaletron scales, Earthtec algaecide, Saf T Flo injection components, and Standard Pump drum/barrel pumps.
• In-House Service and Repair Full-time in-house service technicians performing product inspections, repairs, and replacements of water and wastewater equipment, with free estimates on all equipment sent in for repair, for municipalities and industrial customers.
• On-Site Service On-site water and wastewater equipment service by trained, certified technicians, including programming of chlorine or pH controllers, repair of large automatic water valves, and chemical, liquid, or gas leak detection at customer facilities.
• Annual Maintenance Program Annual maintenance services for gas chlorination equipment, including diaphragm, o-ring, and tubing replacement along with calibration and testing of sensors and valves, plus monthly chlorine detector calibration.

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Seven partnerships are on record, tiered core.

• EvoquacoreChannel Partner/ Reseller/ DistributorAuthorized service provider and parts distributor for Evoqua / Wallace & Tiernan products including Gas Chlorinators, OSEC, Analyzers, UV Disinfection, and Water Champ equipment.
• WalchemcoreChannel Partner/ Reseller/ DistributorMaster Distributor for Walchem Analyzers and Metering Pumps. Authorized service provider and parts distributor.
• BermadcoreChannel Partner/ Reseller/ DistributorAuthorized service provider and parts distributor for Bermad Inc. Automatic Water and Fluid Control Valves.
• Iwaki AmericacoreChannel Partner/ Reseller/ DistributorAuthorized service provider and parts distributor for Iwaki America Mag-Drive and Double Diaphragm Pumps.
• UGSIcoreChannel Partner/ Reseller/ DistributorAuthorized service provider and parts distributor for UGSI Solutions PolyBlend Polymer Feed Systems, Encore Pumps and Liquid Feed Systems, Dry chemical Feed Systems, and Varea-Meter Variable Area Flowmeters.
• SherwoodcoreChannel Partner/ Reseller/ DistributorAuthorized service provider and parts distributor for Sherwood Chlorine Valves & Accessories.
• Integrity Municipal SystemscoreChannel Partner/ Reseller/ DistributorAuthorized service provider and parts distributor for Integrity Municipal Systems including Lime Slakers, Feeders and Emergency Chlorine Scrubbers.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• US Water Services: Industrial water and wastewater treatment services company with a comparable 'equipment + service' model targeting industrial facilities. Operates regional service hubs and competes head-to-head for chemical feed, treatment, and outsourced maintenance contracts.
• Smith & Loveless: Manufacturer and service provider of water and wastewater treatment equipment serving municipalities and industrial customers. Comparable scope across pump stations, treatment systems, and aftermarket service with field technician networks.
• Aqua-Aerobic Systems: Manufacturer of water and wastewater treatment equipment with municipal and industrial focus, including disinfection and chemical feed systems that overlap Sidener's distributed product lines and service scope.
• Tonka Equipment Company: Water and wastewater treatment equipment manufacturer and service provider with municipal focus. Comparable offering across packaged treatment systems, chemical feed, and OEM-authorized service capability.
• Napier-Reid: Water and wastewater treatment equipment manufacturer specializing in municipal and industrial applications, with comparable equipment categories (membrane systems, filtration, chemical feed) and authorized regional representation model.
• Kemco Systems: Designer and manufacturer of water and wastewater treatment systems, including chemical feed and packaged treatment, serving industrial and municipal customers with both equipment and service offerings — closely comparable to Sidener's combined product/service model.

Broad incumbents

• Xylem Inc. Global water technology company that acquired Evoqua (Sidener's largest OEM partner) in 2023. Operates across pumps, treatment, and metering — directly serving the same municipal and industrial customers Sidener supports, and could internalize authorized-distribution relationships at scale.
• Veolia Water Technologies: Global water and wastewater treatment solutions provider with broad municipal/industrial reach. Competes with Sidener for service contracts and supplies technologies overlapping Sidener's distributed portfolio (analyzers, chemical feed, disinfection).

Regional players

• RWL Water (Reliance Worldwide Corporation water segment): Global water treatment solutions provider with design, equipment supply, and service capabilities for municipal and industrial clients. Comparable end-to-end distribution + service model, with broader geographic reach than Sidener.

Emerging players

• Fluence Corporation: Decentralized water and wastewater treatment solutions provider focused on municipal/industrial customers with modular treatment systems. An emerging alternative to traditional distributor-led procurement in the same end markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/sidener-environmental-services-inc-

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 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 Sidener Environmental Services, Inc.