Year Founded

Total Investments & Acquisitions

Average Revenue at Investment

Revenue Growth to Date

Total Employees

The Jack Olsta Co. ("Olsta" or the "Company") is a leading provider of chemical tank trailer leasing, sales, aftermarket parts, and services. The Company offers customers a comprehensive “ecosystem” of products and services, supported by a large fleet of readily available tank trailers and a longstanding reputation for quality and customer service. Tank trailers are used for both on-road transportation and stationary storage of chemicals, food-grade liquids, refined petroleum products, and specialty dry bulk materials, primarily by carriers and chemical producers.

We led the recapitalization of Olsta in 2026, partnering with CEO and owner John E. Olsta, Jr. to bring significant growth capital to the Company, which will allow Olsta to continue scaling its lease fleet to better support its customers and end-markets.   

The Jack Olsta Co.

Infrastructure Services

FIS Water (Flow Innovative Solutions) is a leading platform of filtration, conditioning and flow control technologies serving the Commercial Cooling, General Industrial, Municipal, and Water Source & Distribution markets.

WPH and a group of industry executives formed FIS Water in 2018 with the acquisition of Lakos Filtration Solutions. Since then, FIS Water has acquired four complementary businesses (Superior, VSI, Puroflux, and VAF) which have been fully integrated into the FIS Water platform.

After growing FIS Water’s EBITDA more than 15x, we exited the business to SPX Technologies, a supplier of highly engineered products and technologies to the HVAC and detection and measurement markets.

FIS Water

Industrial

Elite is a full-service provider of hydro excavation trucks ("hydrovacs") and ancillary equipment to industrial, utility, construction, and municipal service providers. Hydrovacs use high pressure water and vacuum technology to excavate and clean in a manner that is safer and more precise than traditional methods. Elite maintains a large fleet of "good as new" hydrovacs for rent, and also provides new and resale equipment, parts, and best-in-class maintenance services

We led the recapitalization of Elite in 2024, partnering with co-founder Chris Chapman to bring substantial growth capital to the business, which will enable the company to aggressively grow its fleet and geographic footprint.

Elite Equipment Rental

Elite

Guice Offshore is a market leading provider of specialized marine support services, operating a fleet of 18 Jones Act–compliant offshore supply vessels (OSVs) ranging from 140 feet to 280 feet, which are known by the "GO" call sign. Guice supports a broad range of industries, including aerospace, defense, offshore wind, geotechnical, marine survey, deep-sea mining, and oil and gas with vessels that have undergone significant technical, structural and equipment enhancements to meet the most demanding customer requirements. In addition to vessel charters, Guice Offshore provides offshore labor and deck equipment to the OSV and disaster recovery industries.

We led the recapitalization of Guice in 2026, partnering with co-founders Nathan Guice and Billy Guice to bring significant growth capital to the business, which will enable the Company to continue scaling the vessel fleet to better support its customers.

Guice Offshore

Purgo Industrial (Purgo) is a holding company which owns two core industrial process filtration businesses, Air & Liquid Systems (ALSI) and Steri Technologies. The specialized companies focus on delivering high-performance filtration and separation solutions across critical industries, including pharma, chemicals, automotive, and general industrial.

We formed Purgo Industrial in 2021, in conjunction with several industry leaders.

Purgo Industrial

Sommers is a leading Canadian manufacturer and distributor of premium quality generator systems for prime power, standby power, and mobile applications. Sommers provides custom generators for a variety of end markets and also offers generator rentals, parts, and best-in-class scheduled and emergency maintenance and repair services.

In 2024, WPH led the recapitalization of Sommers, partnering with existing shareholders including Sommers President, Chris McGregor. WPH is working to expand on Sommers’ reputation, driving the next phase of growth through increased geographic and service footprint, while maintaining Sommers’ exceptional customer support.

Sommers Generator Systems

Sommers

Fortbrand Services is a leading provider of airport maintenance and ground support equipment to the global aviation industry. Fortbrand’s Ground Support Equipment business provides leasing and short-term rentals and maintenance services of mission critical ground support equipment to airlines, ground handling companies and fixed base operators. The Company’s Airport Maintenance Equipment business distributes and leases snow removal and maintenance equipment to airports.

We led the recapitalization of the business in March 2019, partnering with existing management and a seasoned industry executive. Since then, we have invested heavily in the fleet, and have built a premier rental and leasing platform to support the growth in air traffic.

After growing the fleet ten-fold, we exited the business to Basalt Infrastructure Partners, who is backing the management team to continue on this aggressive growth path.

Fortbrand Services

Integrated Warehouse Solutions (IWS) is a leading provider of material handling equipment focused on enhancing the safety and efficiency of loading docks and warehouses. The Company’s products, which include yard ramps, dock boards, pit levelers, seals and shelters, safety barriers, mezzanines, lift tables, pallet trucks and carts, are sold under the leading Bluff, Wesco and Nordock brands. IWS serves virtually every end market throughout the U.S., Canada, Central and South America, and the Caribbean through a broad distributor network supported by production facilities in Texas, Pennsylvania, Ohio and Ontario (Canada).

We led the acquisition of three separate businesses over a two-year time period to form IWS. We have fully integrated these businesses and continue to expand product offerings and geographic coverage across the platform, while aggressively pursuing additional strategic acquisitions.

After achieving 9x revenue growth (both organically and through M&A) we divested the business to ASSA ABLOY AB, a global leader in entrance solutions.

Integrated Warehouse Solutions (IWS)

Centerline is a leading critical infrastructure and network solutions provider that designs, builds, and maintains next-generation wireless, wireline networks, and critical infrastructure facilities. Centerline’s services include wireless services, technical infrastructure solutions, and facilities management. Centerline has a strong presence in the U.S. and Canadian markets with coverage of all 50 states and six Canadian provinces.

We led the recapitalization of the business in 2017, alongside Stone-Goff Partners, partnering with the founder and management team. In 2021, having grown revenues fourfold (including via several bolt-on acquisitions), we exited a majority of our investment via a sale of the business to the Audax Group. WPH retained a minority ownership position and BOD seat.

Centerline

Business Services

USBid is a value-added distributor of electronic and hardware components for critical devices, aircraft, and systems. The Company leverages its in-house expertise and state-of-the-art, accredited testing laboratory to offer a comprehensive procurement solution for OEM customers across a wide variety of industries.

We led the acquisition of USBid in 2022 and are now working to leverage USBid’s differentiated product sourcing, superior test lab capabilities, and broad vendor relationships to further build a diversified solutions provider focused on solving customers’ most challenging procurement needs.

USBid

TowerNorth Development is a developer, owner and operator of mission critical wireless infrastructure in the U.S., Latin America and Europe.

TowerNorth was a subsidiary of Centerline Communications at the time of WPH’s investment in 2017.  In 2021, TowerNorth was carved out of Centerline Communications and received a minority investment from the Audax Group. We are working to build a global portfolio of wireless infrastructure assets to further support the development of a 5G network.

TowerNorth

PumpOne Environmental is a leading designer and manufacturer of extraction pumps and landfill accessory products used in the removal of leachate from landfills. PumpOne’s pumps are critical components of a landfill’s operation and are needed to remove hazardous liquids and to facilitate the removal of gas byproducts.

In 2022, WPH led the recapitalization of PumpOne, partnering with the founders and existing management team. We are working to build upon the strong PumpOne brand name and reputation to expand into new end markets and expand our product offering.

PumpOne Environmental

G-P (formerly Globalization Partners) provides global employment solutions through its SaaS-based Global Employment PlatformTM. G-P’s Global Employment Platform is the first fully customizable SaaS-based global employment product suite that helps companies find, hire and manage talent anywhere in the world – quickly and compliantly – without setting up new entities.

Together with TDR Capital, we partnered with the founder of G-P and led a minority recapitalization of this business in January 2020. Since that time, G-P has raised growth capital from an affiliate of Vista Equity to drive further investments in technology innovation and other growth opportunities.

Logo 1

Adaptec Solutions is a leading provider of innovative material handling and automation solutions for a diverse set of end markets. The Company designs customer-centric solutions that optimize workflow, enhance safety and reduce costs by integrating equipment, robotics and controls, together with ongoing maintenance and 24/7 support. Adaptec has facilities in New York, North Carolina and Tennessee, and has >100 service technicians supporting customers nationally.

We led the acquisition of four complementary businesses over a four-year time period, beginning in 2016, and fully integrated these businesses to form Adaptec.

Adaptec Solutions

Rhino Tool House (RTH) is a leading provider of assembly line products, material handling solutions, industrial MRO products and value-added services to blue chip manufacturing companies. RTH has a nationwide salesforce that sells directly to OEM customers operating across a wide variety of industrial end markets, with nationwide support.  We acquired a majority interest in Rhino Assembly in 2017, merged with The Tool House in 2018 (creating Rhino Tool House) and subsequently completed several add-on acquisitions.  In April 2023, having grown revenue more than fourfold, we exited our investment via a sale of the Company to Blue Sea Capital. We enjoyed an excellent partnership with the founders of the RTH businesses, who continue to lead the company today.

Rhino Tool House (RTH)

HHAX is a leading provider of Software-as-a-Service healthcare software solutions to the home care industry, serving both home care agencies and their Payers. HHAX’s cloud-based product offering includes one of the industry’s most robust and innovative agency management systems, and also a unique and powerful data exchange platform, eXchange Suite, that dynamically links Payers and their contracting agencies.

We originated and led this investment in 2014. In 2018, after four years and ~500% growth, the Company was sold to Cressey and Company.

HHAX

Connect-Air is a leading specialty distributor of low-voltage wire and cable products used in critical building applications, primarily HVAC, security, and fire alarm systems. The Company has a large national footprint, with eight locations throughout the US and Canada, and enjoys an outstanding reputation for customer service.

We acquired the company in 2008 from its founders. After seven years, we exited our investment in 2015 when the business was sold to a Fortune 500 business.

Connect-Air

Comstar is a full-service provider of technology and telecommunications services to corporate and institutional customers. The company’s services include cloud-based VOIP (voice-over internet protocol) phone systems, the installation and maintenance of traditional phone systems, managed IT services, network infrastructure and cabling, and the integration of security, fire and A/V systems.  

We led the recapitalization of this business in 2017, investing growth capital and partnering with the existing President/owner to facilitate an ownership buy-in for a long-tenured management team. Wincove supported Comstar in five strategic acquisitions that accelerated its shift to recurring cloud-based services.  We exited our investment in 2022, when the Company was sold to New Era, a global provider of managed IT-services.

Comstar

ROM Corp. is a leading manufacturer of products for the trucking and transportation industries. Product lines include Roll-Up compartment doors, folding safety ramps, and automated bed covers.

We initially acquired the business in 2004, and after several successful years, sold a majority interest to a private equity firm. We ultimately exited together in 2013, after nine years. At the time of sale, the business had grown revenues tenfold since our original investment.

ROM Corp.

Impact Products is one of the largest manufacturers and distributors of (non-chemical) cleaning, maintenance and safety supplies, products and equipment in the United States.  The Company serves diverse end markets, including Jan/San, Foodservice, Safety, Office Products, Healthcare, Industrial, Education and Hospitality, and provides industry leading service levels.

We teamed with management to acquire the business from its previous owners in 2006. After making a follow-on acquisition, we exited our investment in 2011 through a sale of the business. Impact is now a subsidiary of a Fortune 500 distribution business.

Impact Products

GI Plastek is a value-added provider of advanced manufacturing solutions, with a specialty in manufacturing medium to large customized and highly aesthetic plastic injection molded products. The Company offers gas assist, structural foam, and standard injection processes, as well as assembly and other value-added finishing operations.

We worked with management to acquire this orphaned business from its owner, a real estate investment trust, in 2009. We invested heavily in growth initiatives, and ultimately sold the company in 2015 to a publicly-traded investment company.

GI Plastek

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Huntsville, TX – September 1, 2026 – Wincove Private Holdings, LP ("Wincove") announced today that it has recapitalized and provided growth capital to The Jack Olsta Co. ("Olsta" or the "Company"). Wincove is partnering with existing owner John E. Olsta Jr., who will continue to lead the Company.

Olsta is a leading provider of chemical tank trailer leasing, sales, aftermarket parts, and services. The Company offers customers a comprehensive “ecosystem” of products and services, supported by a large fleet of readily available tank trailers and a longstanding reputation for quality and customer service. Tank trailers are used for both on-road transportation and stationary storage of chemicals, food-grade liquids, refined petroleum products, and specialty dry bulk materials, primarily by carriers and chemical producers.

“John Olsta has built a differentiated business with a strong reputation for quality and service, and significant growth opportunities. We are excited to partner with John and the entire Olsta team to bolster this growth,” said John Lenahan, Partner at Wincove.

John E. Olsta Jr., CEO of The Jack Olsta Co. added, “Wincove shares our commitment to ‘doing good business with good people.’ Their partnership will enable us to continue to invest in our business and build on the foundation that our team has established.”

Olsta is a leading exclusive OEM authorized dealer for Heil and Wabash chemical tank trailers and a provider of tank trailer leasing, sales, and aftermarket parts and service. Founded in 1987 originally as a Heil-only tank trailer dealership, the Company has since expanded its capabilities over time, growing its tank trailer lease fleet and expanding into parts, service, and used trailer sales. Today, Olsta is based in Huntsville, TX, with three strategically located satellite locations in Fort Worth, TX, Morris, IL, and Lawrenceville, GA. For more information about The Jack Olsta Co., please visit www.olstaco.com.

With offices in Boston and New York, Wincove invests in small and mid-size industrial and infrastructure products and services companies. Wincove partners with founders and management-owned businesses to transform high-quality companies into strategic, market leading assets. To date, Wincove has invested in 21 platforms and completed over 30 add-on acquisitions, generating a strong track record of growth and value creation. For more information, please visit www.wincove.com.

Wincove Partners with The Jack Olsta Co. to Support its Next Phase of Growth

Boston, MA – September 15, 2026 – Wincove Private Holdings, LP (“Wincove”) announced today that it has exited its investment in FIS Water, LLC (“FIS”) via a $410 million sale to SPX Technologies, Inc. (NYSE: SPXC) (“SPX”). 

In 2018, Wincove formed FIS by partnering with several water industry executives. FIS comprises a portfolio of well-established brands providing highly engineered water management and control solutions used primarily in commercial and industrial cooling applications. Its products help protect and optimize cooling systems by removing solids, maintaining water quality and controlling water flow, and serve customers in many demanding commercial and industrial environments. 

Scott Thomas, President of FIS stated, “This transaction marks an important milestone for FIS. We are thankful for our long-term partnership with Wincove and other investors, and excited about our future as part of SPX.” 

Ken Rodi, Wincove Executive Partner and former Chairperson of FIS, stated, “FIS created an incredible platform through five highly-strategic and complementary acquisitions over the past eight years, and achieved tremendous organic growth. We are proud of all of the accomplishments at FIS.” 

Michael McGovern, Partner at Wincove, said, “The FIS team has done an extraordinary job building the Company into a leading provider of filtration, conditioning, and flow control solutions. We have thoroughly enjoyed the partnership and are grateful for the work of the team and employees.” 

Raymond James acted as financial advisor and Husch Blackwell acted as legal counsel to Wincove and FIS. 

FIS is a leading platform of filtration, conditioning and flow control technologies serving the commercial cooling, general industrial, municipal, and water source & distribution markets. Through its LAKOS, Puroflux, Superior, VAF and VSI brands, FIS provides products that help protect critical equipment, improve water quality and enhance system performance. For more information, please visit  www.fiswater.com. 

With offices in Boston and New York, Wincove invests in small and mid-size industrial and infrastructure products and services companies. Wincove partners with founders and management-owned businesses to transform high-quality companies into strategic, market leading assets. To date, Wincove has invested in 21 platforms and completed over 30 add-on acquisitions, generating a strong track record of partnership, growth and value creation. For more information, please visit www.wincove.com. 

Wincove Announces the Sale of FIS Water, LLC to SPX Technologies, Inc.

Roosevelt, UT — June 2, 2026 — Elite Equipment Rental, LLC (“Elite”), a leading provider of specialized equipment rentals and services, today announced the acquisition of Infrastructure Solutions Group, Inc. and ISG Rents, LLC (collectively “ISG”), a well-established provider of equipment distribution and rental services in the Mid-Atlantic region.

 This strategic acquisition marks a significant step in Elite's continued national expansion, strengthening its geographic footprint and enhancing its ability to serve customers with greater speed, availability, and localized support.

 With ISG's strong regional presence, built over more than 40 years of service to municipalities and contractors across Virginia, Maryland, North Carolina, South Carolina, and beyond, Elite will expand both its rental and parts & service capabilities, delivering increased fleet availability and improved responsiveness to customers across the Mid-Atlantic and Southeast markets.

 “This acquisition represents a transformational step forward for Elite as we continue to grow our national footprint. The combination of Elite and ISG will diversify our geographic footprint, vendor partners, and customer base while meaningfully enhancing the combined offerings,” said Chris Chapman, CEO, Elite Equipment Rentals. “ISG has built an outstanding reputation with a loyal customer base, and we are excited to build on that foundation, bringing expanded resources, enhanced service capabilities, and additional equipment solutions to customers across the region.”

 “Joining forces with Elite is an exciting next chapter for ISG and for the customers we’ve served for four decades,” said Ben Jones, President, ISG. “This partnership brings greater resources and expanded capabilities to our team and our customers, while preserving the local relationships and expertise that have always defined who we are.”

 “We’ve spent 40 years earning the trust of our customers and communities,” said Eric Rocchiccioli, President, ISG. “Aligning with Elite means we can keep delivering the high-touch, expert service our customers count on, with the backing of a larger national platform and an even deeper bench of equipment and support.”

 ISG will continue to operate under its existing brand in the near term, with plans to integrate into the Elite platform over time. This approach ensures continuity for customers and employees while enabling a seamless transition and long-term growth. The acquisition reinforces Elite’s commitment to strategic growth, operational excellence, and delivering best-in-class solutions to customers nationwide.

Elite Equipment Rental, LLC is a leading provider of specialized equipment rentals, parts, and service solutions, supporting customers across a range of industries with a focus on reliability, responsiveness, and customer success. Headquartered in Roosevelt, Utah, Elite operates nationwide with a growing network of service locations. For more information about Elite, please visit https://www.eliterentals.net/.

Founded over 40 years ago and headquartered in Mechanicsville, Virginia, ISG Inc. and ISG Rents provide equipment distribution, sales, service, parts, and rental solutions to municipalities, private contractors, and government entities throughout the Mid-Atlantic region. ISG is widely recognized for its deep industry expertise, OEM partnerships, and exceptional customer relationships. For more information about ISG, please visit https://infrasolutionsgroup.com/.

With offices in Boston and New York, Wincove invests in small and mid-size industrial and infrastructure products and services companies. Wincove partners with founders and management-owned businesses to transform high-quality companies into strategic, market leading assets. To date, Wincove has invested in 20 platforms and completed over 30 add-on acquisitions, generating a strong track record of growth and value creation. For more information, please visit www.wincove.com.

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Our Recent Developments

Wincove Partners with The Jack Olsta Co. to Support its Next Phase of Growth

Wincove Announces the Sale of FIS Water, LLC to SPX Technologies, Inc.

Elite Equipment Rentals Expands into the Mid-Atlantic and Southeast with Acquisition of ISG