Exelon Corporation (Nasdaq: EXC) is the nation’s largest utility company, serving more than 10 million customers through six fully regulated utilities. We believe that reliable and affordable energy is essential to a brighter, more sustainable future. We are a FORTUNE 250 company operating across a large urban footprint, serving major metro areas in Delaware, the District of Columbia, Illinois, Maryland, New Jersey and Pennsylvania. Exelon is recognized as an industry leader with best-in-class operations, a firm commitment to maintaining energy affordability, a track record of top-quartile reliability performance, strong ESG leadership and principles, and a deep dedication to supporting and investing in the communities we serve.

NiSource (NYSE: NI) helps energize the lives of its nearly 4 million natural gas and electric customers across six states. Our local utilities – Columbia Gas and NIPSCO – ensure that customers receive safe, reliable and affordable natural gas and electric service each and every day. Our business plan is focused on proactively investing in our energy infrastructure – approximately $1.4 billion a year – to ensure we meet and improve upon our customer commitments for the next 100 years. We employ more than 7,000 of our neighbors who are actively engaged in the communities we’re privileged to serve, making them great places to live and call home. NiSource is headquartered in Merrillville, Indiana – about 35 miles from Chicago – and we maintain a significant corporate presence in Columbus, Ohio. Our utility operations also span Kentucky, Maryland, Pennsylvania and Virginia.

Invenergy is accelerating cleaner, more reliable, affordable energy. Invenergy and its affiliated companies develop, build, own, and operate large-scale renewable and other clean energy generation, transmission and storage facilities in the Americas, Europe, and Asia. Headquartered in Chicago, Invenergy has regional development offices in the United States, Canada, Mexico, Spain, Japan, Poland, and Scotland. Invenergy and its affiliated companies have successfully developed more than 31,000 megawatts of projects in operation, construction or contracted, including wind, solar, transmission infrastructure, natural gas power generation, and advanced energy storage projects.

DCC Propane LLC, part of DCC plc*, is a pioneer in the propane industry, and the seventh largest propane provider in the United States. Operating across 21 states, with over 900 employees, DCC Propane is a leading propane provider for the residential, commercial and industrial markets. DCC Propane is also a leader in solutions for the broader energy space including water services, HVAC and distillates, and an innovator in next generation energy solutions and fuels. The company is a key component in DCC plc’s growing portfolio of energy, healthcare and technology businesses – spanning 22 countries and four continents today – that are aimed at delivering cleaner energy and long-term value for customers, shareholders and society. *DCC is a leading international sales, marketing and support services group. We provide solutions the world needs across three transformative sectors: energy, healthcare and technology; where we acquire, improve and grow diverse businesses. We bring our growth mindset to our businesses in 22 countries across four continents, empowering our 16,000 employees to create long term value – for our shareholders, customers, society and the planet. The world needs cleaner energy for everyone.

StormTrap offers proven, leading-edge solutions for managing runoff, protecting waterways and improving the use of your property. We are committed to providing cost-effective, customized water management solutions to engineers, owners and municipalities across North America and abroad. Whether you are concerned about water quality, detention, infiltration or water harvesting, StormTrap has a design that will reduce your footprint, accommodate site constraints, lower overall costs and meet your specific project needs. For further information on the complete line of StormTrap products - SingleTrap®, DoubleTrap®, ShallowTrap™, StormSettler™, SiteSaver®, TrashTrap® and PumpGuard®, please visit www.stormtrap.com.

Primary Energy Recycling Corp. is a company based out of 2215 South York Road Suite 202, Oak Brook, Illinois, United States.

The Premier Provider for Utility Services. Specializing in Facility Locating, Advanced Locating, and Watch & Protect Services. At GridHawk LLC it is our mission to provide the highest quality service, while developing meaningful relationships with our clients to ensure the safety of the surrounding communities we serve to protect. Our Technicians go above and beyond to protect our client's underground facilities and strive to build their knowledge, skills sets, and maintain quality assurance through dedication to safety and quality, in order to continue to impact communities across the nation.

GATEWAY TRIANGLE CORP is an utilities company based out of 3592 N HOBART RD, Hobart, Indiana, United States.

Fundamental changes in the energy industry require, more than ever, the right choice of an energy supplier partner. Eligo Energy offers competitive products, innovative solutions and technology applications that will power the growth of your energy business. Eligo Energy is a leading retail electricity supplier based in Chicago. Eligo partners with preferred brokers and affiliates throughout the country. Our leadership in technology integration and innovative product offerings are now available to select partners. Alex Goldstein and Mark Friedgan started Eligo Energy LLC, an alternative energy retailer based in Chicago, in April 2012. Since then, Eligo Energy has emerged as one of the most innovative, fastest growing retail energy suppliers in the industry.

Midwestern Electric specializes in the construction, maintenance and design of electric delivery systems. Our clients, including municipal and state government bodies, rely on Midwestern Electric's technical expertise and reliable delivery of quality service to build and maintain their critical infrastructure. Our capabilities include: • Engineering and design coordination • Subcontractor coordination • Permitting procurement • Construction management • Schedule tracking • Cost tracking • Quality control

We are US Gas and we have been serving the diverse industries of Chicagoland and NW Indiana since 1993. We supply a complete line of cylinder gases and related supplies for whatever your business calls for. Our streamlined cylinder-use program eliminates perplexing cylinder rental invoices, saving your operations and accounts payable department time while letting them focus on other priorities. Known for our outstanding service for a full range of area industries like food, healthcare, environmental, medical, petrochemical, industrial hygiene and many more, our compressed-gas fill plant boosts our supply and delivery to a superior level of service. Our aim is to be the Number One Company you think of when you think of industrial gas suppliers.

Operations Services Inc. is a small defense contracting company that seeks to service the needs and requirements primarily of government organizations involved in national security, defense and homeland security. The corporate leadership and employees of OSI take tremendous pride in servicing the needs of our customers and the men and women who so proudly and honorably serve us as Americans. We are proud to serve them and their organizations. Founded Incorporated in July 2010 as an S-Corporation Headquartered in Fayetteville-Fort Bragg area with field office in Huntsville, AL Professional Services for fee consulting company providing contract services and support to the operations of defense and other government customers A "Knowledge-Based"​ Services Company GSA Professional Services Schedule GSA Mentor Protégé Program - Graduate SBA 8 (a) Certified in September 2012 through October 2021 Service Disabled-Veteran Owned Small Business Certified Small Disadvantaged Business Minority Owned