Our Firm

Our heritage is a living foundation and an enduring source of momentum. With decades of operational excellence, a long-tenured team, and a culture of stewardship, we deliver lasting impact for the companies, communities, and investors we serve.

The image depicts a professional meeting taking place in a modern, well-lit conference room. The room features a large, polished wooden table that takes up the foreground.

The Values We Share

Win Together

We work as true partners with our management teams, colleagues, and investors, aligned in goals, accountable in execution, and committed to achieving shared success

Act with Integrity

We earn trust through principled decision-making, transparency, and consistent follow-through, holding ourselves accountable to the highest standards in every interaction

Think Long Term

We take a forward-looking approach, building strong, resilient businesses designed to grow, adapt, and create enduring value.

Invest in People

We develop, challenge, and empower our colleagues to reach their full potential, while fostering an inclusive culture that promotes and values diversity of backgrounds and viewpoints

Give Back

We actively support the communities where we live and work, contributing time, resources, and effort to make a meaningful difference

A close-up shot of a worker in a white protective hazmat suit and respirator mask using a professional spray gun to apply a glossy, metallic red finish to a vehicle body. The surrounding areas of the car are meticulously covered with masking tape and plastic sheeting to protect them from overspray. The lighting highlights the smooth, reflective quality of the fresh paint in a clean, industrial workshop setting.

Purpose-Built
Partnership

Shaped by family office origins and refined across 30+ years of private equity investing, our proven approach stewards businesses through their most defining eras.

A worker in protective clothing stands in a raised mechanical lift bucket, spray-painting the massive hull of a ship in a dry dock. The ship's hull is divided by a sharp color line, with the upper portion a vibrant teal blue and the lower section being coated in a bright reddish-orange anti-fouling paint. The scene is captured from a low angle, emphasizing the immense scale of the vessel compared to the lone worker.

Focused at Scale: We combine the institutional strength of $23B+ AUM with a concentrated portfolio, bringing our full attention and resources to your company.
Integrated Platform: Our cross-functional team of investors, operators, and market specialists works as one to deliver multi-lever plans for sustainable, measurable growth.
Value-Added Capabilities: One of the largest in middle-market PE, our in-house Resources Group brings 40+ functional experts to navigate operational complexity and accelerate value creation.
Trusted Stewardship: More than 40% of our partners are family- and founder-led companies, reflecting our commitment to turning continuity into competitive edge.

Our Approach

Dedicated Expertise. Enduring Edge.

Our Focus

$23B+

Committed Capital

Years in Private Equity

Platform Investments

Current Investments

Our Focus

A Tradition of Continuity in Motion

1900s

Legendary Roots

Philanthropist Julius Rosenwald becomes President of Sears, Roebuck & Co., instilling a philosophy of industrial rigor and stewardship that would form the cultural bedrock of our firm.

1947

Family Office Origins

William Rosenwald establishes American Securities to steward his family’s heritage. Founded as a family office, the firm is built on a mandate of long-term partnership and disciplined investment.

1994

First Private Equity Fund

American Securities launches its inaugural private equity fund. Led by Michael Fisch and Charles Klein, this milestone translates our family-office philosophy into a disciplined institutional platform focused on partnering with market-leading businesses.

2002

Resources Group Creation

Leaders of integrated value creation, American Securities establishes one of the first in-house operating teams in middle-market private equity. The American Securities Resources Group partners directly with management teams, bringing embedded, cross-functional expertise to drive operational value creation at scale.

2006

Resources Group Expands to Asia-Pacific

To support the increasingly global footprint of our U.S. industrials and services companies, the firm opens its Shanghai office, expanding functional and market expertise across Asia-Pacific within the Resources Group.

2010s

Institutional Infrastructure

The firm build its institutional foundation, expanding leadership and resources across capital markets, investor relations, legal, finance, and firm operations. The enhanced platform strengthens the firm's ability to support portfolio companies and positions the organization for long-term growth.

2025

A Next-Generation Partnership

American Securities evolves to a majority partner-owned firm, embedding a future-forward leadership model defined by alignment, continuity, and long-term stewardship.

Philanthropist Julius Rosenwald becomes President of Sears, Roebuck & Co., instilling a philosophy of industrial rigor and stewardship that would form the cultural bedrock of our firm.

We are proud to be recognized for the strength of our culture and the depth of our partnership.

Five people wearing green aprons and latex gloves are seated around a long table in a high-rise office breakroom, engaged in a hands-on team-building activity. They are using soil and organic materials to create small round seed balls, which are being placed into cardboard egg cartons. The room features modern furniture, booth seating, and large windows that offer an elevated view of a city skyline with historic architecture.

Citizenship in
Action

Guided by our principles and origins, American Securities is committed to responsible citizenship—shaping how we invest, partner, and give back.

Our Commitment

To the best of the Firm’s knowledge, the year of the application and review process were the same as the year the award was given. Please see below for additional information and disclaimers, as well as details regarding nominal compensation related to application fees and usage rights. 

American Securities did not pay fees to apply for GrowthCap, LLC’s (“GrowthCap”) list of Top Private Equity Firms. The Firm paid a required fee to accept the award and be recognized by GrowthCap as a winner on their website. The award was given on July 17, 2025 and was based on the time period of August 2024 - July 2025. This award is the opinion of the party conferring the award and not of American Securities.
Great Places to Work® is an annual certification provided by Great Place To Work Institute, Inc. American Securities pays a fee to conduct the survey and process the results. The certification badge is valid for 12 months from the finalization of each annual survey. The survey was conducted in May 2025, and the certification was given in June 2025. This award is the opinion of the party conferring the award and not of American Securities.
American Securities did not pay fees to apply for Mergers & Acquisition’s Best Places to Work in Private Equity Award. The Firm paid a required licensing fee to be able to use the award graphic. The award was given on September 8, 2025 and was based on the time period of September 2024 - September 2025. Mergers & Acquisitions is published by Middle Market Information LLC. This award is the opinion of the party conferring the award and not of American Securities.
1 of 248 firms recognized. Consideration for the Inc. 2025 Founder-Friendly Investors list required the submission of an online application which includes references from founders of one or more portfolio companies, and an application fee. The Firm paid a required licensing fee to be able to use the award graphic. Private equity and venture capital firms that have exited U.S.-based, founder-led, portfolio companies are eligible to apply. Portfolio companies can be either public or private. Honorees were chosen by Inc. based on an internal application review process. The award was given on October 28, 2025 and was based on the time period of January 2020 - May 2025. This award is the opinion of the party conferring the award and not of American Securities.