Company Category: Heavy-Duty Vehicles

Excel Engineering & Testing has nearly 25 years of experience serving the world’s smallest and largest OEMs worldwide. Testing services include •IC Engine (7hp – 5500hp) •ALL fuels •Powertrain •Electrification/BESS •Hydrogen ICE/fuel cell •Chassis/hub dyno certification and development. Excel’s electrification testing capabilities are continuously expanding with > 30 test cells and recently a NEW BESS certification system. Current battery cyclers can reach 1MW+ and 2000V 500A. Additionally, this hardware also serves the industrial 36-80V markets. Excel carries out full DV&PV test plans, including •Climatic •Ingress •Mechanical abuse •Thermal Abuse (TRP) •Altitude development •Development of full xEV Powertrains. Key Words: EV HEV cell hybrid Thermal runaway test chassis dyno MPGe state of health 1065 1066 EPA CARB RNG CNG LP H2 Bio Natural gas SHED evaporative emissions https://excelengineering.org | Our Specialty Structures/Structural Glass team at Excel takes great pride in delivering value, consistency, and expertise to our clients. With our extensive experience in engineering, CAD modeling, and constructing complex specialty structures, we help artistic dreams become a reality. We are proud to help revitalize beauty and interest in modern architecture by providing elite engineering in efficient and affordable ways. We prioritize our clients’ interests and strive to provide a superior project experience with a personalized approach. | Excel is an employee-owned, full-service architecture and engineering firm located in Fond du Lac, WI. We bring visions to life by providing high-quality, integrated plans for clients across North America. We are experts in food processing facility and sanitary design. Excel distinguishes itself from the competition by providing the most comprehensive design services in the industry as one of the only multidisciplinary firms to offer process engineering services. | Engineering and Construction Services | Excel is an employee-owned, full-service architecture and engineering firm located in Fond du Lac, WI. When it comes to retail design, time is money and user experience is key. Our full-service approach is built to provide quick turnarounds and optimize every square foot of your space without sacrificing brand consistency or customer service. As a single source for architecture and engineering, we simplify the design process to ensure every aspect of your project gets the attention it deserves. Our approach minimizes surprises during and after construction and provides a better building experience. | Excel is a full-service architecture, engineering, surveying, and branding firm. Our dedicated team is driven by the common goal of creating seamless solutions for clients throughout the United States and Canada. With a commitment to excellence and creativity, we continuously strive to deliver integrated plans that surpass our clients’ expectations. | Excel is an employee-owned, full-service architecture and engineering firm located in Fond du Lac, WI. We bring visions to life by providing high-quality, integrated plans for clients across North America.Our process engineering team brings real-world manufacturing experience to your project. We provide independent solutions that allow you to take advantage of the latest technology and make equipment selections that best meet your needs. As one of the only architectural firms offering process engineering, we provide value by seamlessly integrating the requirements of your process into the overall building design. | For almost 25 years, Excel Engineering has been a trusted partner to OEMs of all sizes—ranging from emerging innovators to global industry leaders. Our deep expertise in powertrain testing spans across: Battery Packs, ICE, Electrified / Hybrid Powertrains, and Hydrogen SystemsAs the industry evolves, so do we. Excel is rapidly expanding its electrification testing capabilities, with 30 state-of-the-art test cells scheduled to be operational by Q1 2026. Current Testing Capabilities Include: •Climatic Chambers •Ingress Protection •Mechanical Abuse •Thermal Runaway Propagation (TRP) •Altitude Simulation •And much moreOur advanced battery cyclers support: •1MW+ output via parallel connections •Up to 2000V / 500A via series connections •Compatibility with industrial 36–80V systemsExcel delivers comprehensive testing for DV & PV test plans and xEV Powertrain systems, ensuring your products meet the highest standards of performance, safety, and reliability.Key Words: Battery SOH, MPGe EV HEV chassis dyno 1065 1066 EPA CARB certification | Excel Engineering is a 20+ year test lab serving the largest OEMs worldwide in the Midwest. Testing services include IC Engine, powertrain, electrification, and more. Excel’s electrification testing capabilities are expanding every day and now includes over 25 test cells. Today, there are climatic, ingression, mechanical abuse, and propagation testing chambers available for scheduling. Current battery cyclers can reach 1MW+ through paralleling as well as 2000v 500A through series connections. Additionally, this hardware satisfies the industrial 36-80V markets well. | Full-service Architecture and Engineering Firm – Precast/Prestressed Concrete Design.