Iron Workers Local 392 is a construction company based out of 2995 Kingshighway, East St Louis, IL, United States.

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

At Millstone Weber, we believe we make a difference. As exceptional builders, we improve lives and give back to the communities we work in. In 2014, Millstone Bangert and Fred Weber joined forces, combining 160 years of experience, relationship building, and practical know-how to form the company we are today. Now, Millstone Weber utilizes a large staff entirely comprised of highly-driven, technically-skilled employees, operating in nearly every sector of the transportation industry. With decades of experience, Millstone Weber provides pre-construction, design-build, construction management and general contracting services across the rail & mass transit, highway & bridge, and aviation sectors while self-performing an array of industrial, logistics infrastructure and specialty projects.

The Missouri State Employees'​ Retirement System (MOSERS), established September 1, 1957, is governed by the statutes of the state of Missouri. MOSERS is a statewide public pension fund providing retirement, disability and survivor benefits for approximately 100,000 state employees, retirees, and their families.

SAK Construction is one of the fastest-growing, privately held pipeline rehabilitation and tunneling contractors in the U.S. today. Founded in 2006 by a seasoned team of experts in underground construction and trenchless technology, the company focuses on helping clients nationwide identify the most cost-effective solutions to the many operational, regulatory and environmental problems associated with deteriorating sanitary and storm sewers. If you are interested in employment, please review our job listings at: http://sakcon.com/careers

An experienced Midwest specialty contractor focused on Transportation, Safety, and Site Development. Our work includes guardrails, signage, civil construction, fencing, and metal fabrication. Today in 2023 we are celebrating 50 years in business.

Headquartered in Bridgeton, MO, Byrne & Jones Construction is one of the largest commercial pavers in the Midwest. With locations in Illinois, Kansas, Missouri, Nebraska, and Ohio, Byrne & Jones Construction includes several divisions and owned subsidiaries that focus on commercial asphalt paving, commercial concrete, sports construction, parks construction, stabilization, engineering & design, and micro-surfacing. We are in the business of exceeding our client's expectations by combining our experienced team with the latest technology and equipment to get the job done right – on time and within the budget. While specializing in creating solutions to our client's toughest challenges, we bring 45+ years of experience to the job. Our family of companies provide construction services including soil stabilization, paving services, track and field construction, tennis & pickleball courts, concrete flatwork. No matter which of our services you are interested in, we have a committed team to build and maintain your surfaces long-term. To learn more, visit our website at www.byrneandjones.com.

Fred Weber, Inc. is a USA mining company that leverages its strengths and expertise in the mining industry to perform heavy-civil infrastructure projects, as well as contract mining and custom rock crushing services. We believe that four essential elements drive any good company: People + Equipment + Resources + Image From an operating perspective, two key service areas primarily define Fred Weber, Inc.: Material Services and Construction Services. Material Services regionally operates eleven (11) modern limestone quarries, three (3) sand facilities and one (1) trap rock (Rhyolite) quarry. Additionally, Fred Weber, Inc. operates nine(9) hot mix asphalt facilities, including two (2) high-capacity portable drum mix plants. As a full-service, self-supplied contractor in the St. Louis area, we are involved in a project from start to finish. We tightly control the process, cutting expenses and improving quality—all saving time and money. We can self-perform 100 percent of the work, making our own material, and enforcing stricter specifications than state requirements through our quality control program. Major projects include: The New I-64 Project, Taum Sauk Upper Reservoir Rebuild Project, Route 364 Project, INDOT I-69 Project and I-270/Dorsett/Marine Project.

Lionmark Construction Companies, LLC is located in St. Louis, Missouri, United States. Our family of companies has been providing construction and material services for infrastructure projects throughout the Midwest since 1932 and continue to be an innovative, dynamic, driving force in the construction industry. We are recognized for excellence in safety, quality, and customer satisfaction thanks to our team's commitment to building and maintaining highways/bridges, manufacturing asphalt, supplying asphalt emulsions/sealers, and producing aggregates for construction.

West Contracting is a customer-oriented company specializing in asphalt paving and concrete construction. We service MoDOT, cities and municipalities, new construction sites, and repairs to existing developments. Our services include Asphalt Paving, Asphalt for New Construction, Asphalt Maintenance, Asphalt Resurfacing, Pothole Patching, Chip Seal Asphalt, Ultra Thin Asphalt (Nova Chip), Asphalt Milling, Highways and Bridges and Site Development. West Contracting provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. In addition to federal law requirements, West Contracting complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. West Contracting expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of West Contracting’s employees to perform their job duties may result in discipline up to and including discharge.

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

Highway and bridge construction.