The International Union of Operating Engineers (IUOE) is a progressive, diversified trade union that primarily represents operating engineers, who work as heavy equipment operators, mechanics, and surveyors in the construction industry, and stationary engineers, who work in operations and maintenance in building and industrial complexes, and in the service industries. IUOE also represents nurses and other health industry workers, a significant number of public employees engaged in a wide variety of occupations, as well as a number of job classifications in the petrochemical industry.

Kilian Engineering, Inc specializes in mechanical, electrical, plumbing and fire alarm engineering and design.

Christ Brothers Asphalt Inc is a construction company based out of P.O. BOX 158, Lebanon, Illinois, United States.

Keller, Inc. was started and incorporated in the State of Wisconsin in 1960. The company is headquartered in Kaukauna with offices in Madison, Milwaukee and Wausau. Over the years the company has developed into the leading Design/Build General Contractor throughout the state. Presently, we employ approximately 260 people, both office and field personnel. Walter Keller was the founder of the company and was the President from inception until 1989 when he was named Chairman of the Board. The current officers are Cory VandeWettering – President, Steve Klessig – V.P. Architecture and Engineering, Craig Otis – Senior V.P. of Construction, and Douglas Stecker, CPA – V.P. Finance/CFO. In 1986, Keller started an Employee Stock Ownership Plan (ESOP) to initiate a planned transfer of ownership to its employees and the company is now 100% owned by the ESOP. This concept results in increased dedication and responsibility assumed by all employees throughout the building process and subsequently a more professional product for our clients. Keller has served the agricultural, automotive, assisted & senior living, child care, chiropractic, cold storage, construction management/municipal, convenience store, dental clinic, education, faith-based, financial, funeral home, hospitality, industrial, medical, professional office, recreation, manufacturing, restaurant, retail, veterinary and warehouse markets.

Cannon Utility Services specializes in Underground Utility Construction and Vegetation Management based just outside of St Louis, MO.

BCI Construction USA, Inc. is a registered Service-Disabled Veteran-Owned Small Business, and has been in operation since 1989. BCI prides itself in using innovative solutions to successfully execute our customers most difficult and challenging projects. Having over 20yrs of industry experience, BCI has successfully implemented a broad spectrum of turn-key Industrial and Government projects. Working closely with our customers throughout all stages of project implementation has enabled BCI to provide superior results on schedule, within budget, and with minimal disruption to our customers continuing operations. Mission Statement: Our philosophy has remained unchanged for over two decades:  Deliver quality Diversified Construction Services on time and within budget.  Utilizing sound project costing practices, identifying project risks, delivering accurate Cost of Ownership with a solid schedule.  Provide Value Engineering and Construction, ensuring the customer is delivered a Value Added Project.  Maintain the highest level of professionalism, integrity and honesty in our relationship with our suppliers, subcontractors, customers, employees, and stakeholders. Creativity Born Through Experience Agile Project Execution with No Red Tape Delivering Safety, Quality and Budget in one project.

Plumbing and General Contractor in Southern Illinois since 1966. We specialize in water and sewer service installation (municipal, commercial and residential), water and sewer treatment plant construction and all aspects of plumbing. We can also assist in various phases of construction, such as sewer televising and cleaning, boring, process piping, excavating, welding, site utilities, storm sewers, and road construction.

The Laborers’ and Retirement Board Employees’ Annuity and Benefit Fund of Chicago (the “LABF”) was established in 1935 for the purpose of providing retirement and disability benefits to employees of the City of Chicago or the Board of Education who may be employed in a laboring capacity and to the beneficiaries of such employees. Employees of three City of Chicago retirement boards are also members of the LABF. The LABF is governed by an eight-member Board of Trustees and currently employs approximately 20 full-time staff members. The LABF currently has over 8,000 members and $1.3 billion in investment assets.