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.

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.

Tower Rock Stone Company Inc is a construction company based out of 250 W Sand Bank Rd, Columbia, Illinois, United States.

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

Robinson Construction Company is a design-build general contractor providing EPC, design-build, construction management, and general contracting services throughout the entire United States. Robinson Construction completes projects, large and small, for a variety of specialized markets including commercial/institutional, energy, food & beverage, government/public, healthcare, heavy civil/water, industrial & process, manufacturing, marine, and mining industries. Founded in 1946, Robinson is headquartered in Perryville, Missouri with a regional office in Hopkinsville, Kentucky.

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

J.H. Berra Construction Co., Inc. is a construction company based out of 5091 NEW BAUMGARTNER RD, Saint Louis, Missouri, United States.

BOWEN ENGINEERING & SURVEYING, P.C. is a civil engineering company based out of 2121 MEGAN DR, Cape Girardeau, Missouri, United States.

Nationwide Sports Construction was founded in June 2010 as a synthetic turf installation company. Since that time, we have grown to become an all-inclusive Synthetic turf company performing demo, earthwork, draining installation, concrete work, and site restoration. We are capable of handling projects of any size, anywhere in the United States. From site work to turf installation, Nationwide can provide what is needed to bring your project to fruition.

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.

NIP KELLEY EQUIPMENT CO INC is a company based out of 41 NORTH SPRIGG ST, CAPE GIRARDEAU, Missouri, United States.