About SPG

Company Overview

Durable Products, Delivered Worldwide

SPG is the world’s leading manufacturer of quality storage and material handling solutions. We offer the broadest product line in the industry, including eight of the most trusted brands for shelving, racks, workstations, platforms and more.

Our superior products have a five-decade track record of success and are trusted by market leaders in big box retail, industrial hardware, quick-service restaurants, grocery and club store retail, construction equipment, convenience stores, and many other industries. You will find durability and performance in every product we sell and every service we provide.

SPG’s international sales and distribution network includes manufacturing and distribution facilities in North America, as well as strategic partnerships in China. We have more than one million square feet of manufacturing and distribution capacity that is ready to work for you.

Maximizing Business Efficiency and Performance

Customized Solutions to Meet Your Needs

SPG combines our superior products with patented efficiency innovations to create total solutions for our customers. We are happy to sell you a single piece of equipment, or we can analyze your operation and design a system customized to your unique needs. Working with you, we’ll help uncover hidden opportunities that exist in your facilities. Then, we’ll help you select the right systems and integrate them into your business in a way that speeds workflow, increases storage capacity, improves employee productivity, cuts costs and increases profits.

We can offer you these services because we provide the widest selection of storage solutions available. And, we match that selection with years of proven experience and trusted expertise.

View Our Products
Our Commitment


SPG’s manufacturing practices produce durable products that benefit our customers and the planet. Consolidating shipments, recovering and reusing scrap material, recycling packaging, and operating energy-efficient equipment reduce our environmental impact while maintaining our commitment to quality products and service.

The SPG Difference

Quality Materials

Durable construction utilizing premium materials

One-Stop Shop

Breadth and depth of products and solutions

Solutions Provider

Understanding customer challenges to ensure maximum value

Industry Experience

Deep knowledge of applications across industries

Global Supply Chain

Ability to support multi-national chains worldwide

Customer Proven

The most trusted name in storage and transport products

SPG Leadership

Steven E. Darnell | Chairman & CEO

Steve served as a Group President with Leggett & Platt, Inc, previous owners of SPG. Under Steve’s leadership, the Storage Products Group became a key profit contributor to the corporation and an industry leader. Steve led efforts to form the now independent SPG.

Steve brings the organization more than 25 years of progressive management and leadership experience in both domestic and international operations, working in industrial and consumer product companies. Among the companies he has served are Allegheny International, Gulf Oil, Frito Lay, and Atlantech International.

As a management professional with a quarter century of progressive P&L experience, Steve is a self-motivated leader who believes in building strong, effective management teams — a strategy he developed by employing his experience as a Captain in the United States Marine Corps. As President/CEO, Steve brings our organization the skills of a successful problem-solver committed to building excellent communication among employees, our sales network and end-users.

By placing the highest value on the need for improved bottom line profitability through careful analysis, detailed strategic planning, and flawless execution, Steve is dedicated to SPG’s long-term growth and market dominance.

Steve received his B.S. from John Carroll University and an M.B.A. from Webster University

Cheryl Mullen | VP of Business Development

Cheryl joined the SPG team at its inception after a long, successful tenure at Leggett & Platt, culminating as Group Controller. She served on the SPG Leadership Team in a variety of accounting and finance roles before transitioning to the sales as Vice President of Business Development for the industrial segment. In this position, Cheryl leverages her strong analytical skills to provide strategic customer solutions and maintain the highest levels of customer satisfaction. Cheryl received her B.S. from Columbia College and Masters of Accounting and Finance from Devry University.

Kimberly Withka | President

Kimberly serves as President. She is a forensic accountant who brings the organization more than 25 years of progressive accounting, engineering and management leadership in both domestic and international operations. She has worked in engineering, accounting and financial operations, and corporate headquarters as a CFO. Among the companies she has served are IBM, Philip Morris/Kraft, Gartner Group, Box USA and the United Methodist Church.

Derick Pelser | VP of Information Services

Derick serves as Vice President of Information Services. Derick brings the organization more than 20 years of experience managing and implementing ERP and information systems within distribution and manufacturing companies. Among the companies he has served is ZF.

Michael Lorenz | VP of Sales and Marketing

Michael serves as Vice President of Sales and Marketing. He brings the organization over 20 years of experience as a highly accomplished, self-motivated sales leader with deep knowledge of the sales process and demonstrated analytical and team management skills. Proven track record of generating new business through strategic negotiation while cultivating relationships with key stakeholders, executing commercial strategies and tactics. Develops, leads, and manages commercial teams, creating and supporting a high-performance culture.

Among the companies he has served are Siemens, Sebia, Sempermed, and Worthington Industries.

Michael received his B.S. from University of South Florida