RTM Engineering Consultants

Bollinger, Lach & Associates is a professional engineering and land surveying company. Established in 1978, the company has a staff of more than 80 trained and certified professionals that specializes in structural engineering, construction and environmental services. Bollinger, Lach & Associates s capabilities include site development and design, storm water management, civil engineering, construction management, feasibility studies and reporting. The company designs and undertakes various projects for construction of roads, highways, bridges, traffic signals and water towers. In addition, Bollinger, Lach & Associates offers services to shopping centers, communities, universities and institutions. The company s construction engineering services include contract documentation and nuclear density testing. Bollinger, Lach & Associates maintains a presence in Itasca, Ill.

Manhard Consulting is a civil-engineering firm that serves developers, design-build clients and governmental agencies throughout the United States. The company features expertise in Landscape architecture, land planning, construction services, support, water resources engineering, water and wastewater solutions, surveying, environmental services, and civil and sanitary engineering. It engages in commercial, institutional, government, municipal, residential, highway and industrial projects. Manhard Consulting maintains a network of more than 300 branch offices. The company was established in 1972 and is headquartered in Vernon Hills, Ill.

ESI Consultants is a full-service engineering consulting firm. The company offers professional planning, customized design and construction services. It provides services to various clients, including government agencies, manufacturers, industrial operations, banks, financial institutions, real estate developers and law firms. ESI Consultants has a staff of trained and certified professionals, such as engineers, scientists and technicians who offer project management and customer support services. The company provides civil and site engineering, stormwater management, land planning, flood control, air quality analysis, bidding phase assistance, material testing and inspection services. It has office locations in Chicago and Charleston, Ill. ESI Consultants additionally offers sanitary sewer evaluation, water transmission and distribution services. The company maintains a location in Naperville, Ill.