Archer Daniels Midland's manufacturing plant in Southport makes citric acid and salts of citric acid used in soft drinks, food products and detergents. They also make yeast mannan as an animal feed ingredient.

Ameren Corporation is a utility holding company with subsidiaries providing rate-regulated electric and natural gas services in Missouri and Illinois. The company focuses on sustainable energy solutions and aims for net-zero carbon emissions by 2045, positioning itself as a leader in the energy sector. With a commitment to diversity, equity, and inclusion, Ameren serves a broad customer base while maintaining a strong emphasis on community support and environmental responsibility.

Austin Industries is one of the nation’s largest, most diversified construction companies, providing civil, commercial, and industrial construction services through its operating companies: Austin Bridge & Road, Austin Commercial, and Austin Industrial. With over 7,000 employee-owners, the company emphasizes employee ownership, which fosters a culture of commitment and accountability. Their expertise spans various sectors, including heavy highway, commercial construction, and industrial services, positioning them as a leader in the construction industry for over 100 years. Austin Industries is recognized for its safety, diversity, and innovative construction practices, making it a strong contender in the market.

Busey provides a comprehensive range of banking services, including personal and business banking products. Its Wealth Management division offers asset management, investment, and advisory services to individuals and organizations.

Caterpillar Inc., is an American corporation which designs, manufactures, markets and sells machinery and engines and sells financial products and insurance to customers via a worldwide dealer network. Caterpillar is the world's leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. With more than US$89 billion in assets, Caterpillar was ranked number one in its industry and number 44 overall in the 2009 Fortune 500. Caterpillar stock is a component of the Dow Jones Industrial Average. Caterpillar Inc. traces its origins to the 1925 merger of the Holt Manufacturing Company and the C. L. Best Tractor Company, creating a new entity, the California based Caterpillar Tractor Company. In 1986, the company re-organized itself as a Delaware corporation under the current name, Caterpillar Inc. Caterpillar's headquarters are located in Peoria, Illinois, United States. Caterpillar machinery is recognizable by its trademark ''Caterpillar Yellow'' livery and the ''CAT'' logo.

The City of Decatur, IL, serves as the municipal government for the community, focusing on providing essential services, managing public resources, and enhancing the quality of life for its residents. The city engages in various initiatives, including housing rehabilitation, transportation planning, and community engagement, to foster a vibrant and sustainable environment. With a commitment to transparency and accessibility, the city utilizes modern technology to improve communication and service delivery, positioning itself as a proactive leader in local governance.

DCC Marketing is a full-service agency that focuses on creating impactful marketing campaigns aimed at driving behavior change and inspiring action. With a commitment to social good, they work with clients across various sectors, including health, sustainability, and community engagement, to develop tailored strategies that resonate with multicultural audiences. Their integrated approach combines brand strategy, creative development, and experiential marketing, ensuring that each campaign not only meets client objectives but also contributes positively to society. DCC's unique positioning as a women-owned business enhances their ability to connect with diverse communities, making them a valuable partner for organizations looking to make a measurable difference.

The Decatur Area Arts Council (DAAC) is dedicated to introducing and promoting the arts in the Decatur area, enhancing educational opportunities, and increasing access to the arts to improve community quality of life. Housed in the Madden Arts Center, DAAC offers a variety of programs, including gallery exhibits, classes in various art forms, and community events. The council actively engages with local artists and organizations, fostering partnerships and encouraging arts education, while also providing a platform for culturally diverse and underserved populations to participate in the arts.

The Decatur Convention and Visitors Bureau serves as a tourism hub for Decatur, Illinois, showcasing local attractions, events, and accommodations to visitors. Their mission is to provide exceptional customer service and assist in planning memorable trips, whether for leisure or business. The bureau promotes a variety of activities, including family-friendly attractions, historical sites, and outdoor adventures, making Decatur an appealing destination for diverse travelers. With a focus on community engagement and local history, they aim to enhance the visitor experience and drive tourism in the region.

Decatur Park District is dedicated to enhancing the quality of life in the community through outstanding parks, facilities, and recreational opportunities. They operate over 2,000 acres of park land, including an indoor sports center, regional airport, golf courses, athletic fields, and an AZA-accredited zoo. Their mission focuses on health, wellness, education, and economic vitality, making them a leader in sports and recreation in the greater Decatur area. The district has received national recognition for its service excellence and partnerships, positioning it as a vital community resource.

Decatur Public Schools District #61 is dedicated to providing quality education to all students, focusing on lifelong success through a comprehensive strategic plan and various educational programs. The district operates multiple schools, including specialized magnet programs, and emphasizes community engagement and support for students and families. With a commitment to enhancing educational success, Decatur Public Schools aims to address the needs of the community while fostering a positive learning environment.

The Decatur Regional Chamber of Commerce has been the 'Voice of Business' for the Decatur community for over 130 years, advocating for business-friendly legislation and providing programs, services, and networking opportunities to help local businesses thrive. The chamber focuses on community growth by supporting locally operated businesses and collaborating with area organizations on various initiatives, making it a vital resource for members seeking to enhance their business operations and community engagement.