With over 60 years of knowledge and expertise, 4Front Engineered Solutions houses industry’s leading brands: Kelley, Serco, TKO Doors, APS Resource and 4SIGHT. The superior quality of our product line is delivered through our dock levelers, dock seals & shelters, impactable dock doors, dock & yard management software and an extensive line of aftermarket products. Our goal is to supply the critical needs of customers across warehousing, manufacturing, retail and distribution centers.


The Kelley brand was established in 1953 with the invention of the world’s first counterbalanced dock leveler. Today the Kelley product line includes dock levelers, vehicle restraints, integrated control systems, dock seals and shelters, HVLS warehouse fans, ergonomic scissor lift tables and a full array of products and services specifically designed to support customers’ sustainability initiatives.


The Serco brand has been a leader in the industry for more than five decades, known for its durable and reliable loading dock equipment with a focus on hydraulic dock levelers, safety products and programmable control systems. Today you’ll find a variety of Serco loading dock products to tackle challenges such as energy efficiency, cold storage and industrial operations.

Digital Connectivity

4SIGHT Connect’s digital tools provide complete visibility and control over every aspect of yard and dock operation. Transforming the Future of Facility Operations is the key goal for the suite of products 4SIGHT Connect offers. Orchestrate dock operations with increased control and gain valuable intelligence to make key decisions and meet operational goals.

High Speed Doors

Founded in 1987, the Dynaco brand has a strong heritage and a wealth of expertise as a high speed & fabric roll up door company. Dynaco is committed to achieving excellence in quality and performance through a certified and dedicated network of dealers, providing outstanding service to customers throughout the world.

Powerful Dock Doors

TKO® Impactable Dock Doors were specifically created to prevent recurring damage to loading dock doors, which can cost an operation thousands of dollars in downtime as well as energy loss per dock position. Simply put, impactable dock doors provide a lower lifetime cost of ownership than traditional doors.

High Performance Doors

As the world-leading manufacturer of high-speed doors and high-performance doors, Albany provides sophisticated products that are designed for a wide range of applications in various industries. We have built our success on core values of creativity, enthusiasm, commitment, and the ability to understand our customers’ high speed door needs.

Aftermarket Source

APS Resource was founded to support the material handling distribution network’s efforts in providing quality maintenance and repair service to its customers. Since then, we have added our own line of warehouse and loading dock products to upgrade your existing equipment and to enhance the safety and energy efficiency of your facility.


Epic HVLS fans are designed to improve airflow and energy savings, providing a gentle breeze that equates to a 4-7 degree reduction in the perceived temperature, in accordance with ASHRAE 55-2010 comfort standard, to keep your employees cool and focused through an advanced five-blade design. Balanced air circulation limits stagnant air, hot and cold spots, and condensation, which helps keep food and produce dry and fresh to reduce spoilage.