General Plant Services is an Industrial/Utility Contractor specializing in the following: Boilers and related systems, Power and process piping, Machine setting, Pressure Vessels, Iron work and Heat Exchangers,

Waterblasting, septic, vacuum pumping, remediation, hydrodemolition, sewer cleaning, water jetting, hydroexcavation, coating removal, 10k, 20k, 44k hydroblasting, Haz& NonHaz waste collection/handling, storage tank/vessel cleaning

Taylor Construction, Inc., builds bridges, wastewater treatment plants, reinforced concrete culverts, paving bridge approaches, crane rental, and riprap placement.

Energy Consulting, Renewable Energy, Wind Energy, Ethanol, Biofuels, CONSTRUCTION MANAGEMENT, project finance

Petroleum Equipment Renewable Energy Tank & Silo Manufacturing Electrical Contracting

YTT Design Solutions is a civil engineering design group providing site development, roadway design, stormwater management, and sanitary/water system design. They provide specialty services in geotechnical consulting, public involvement and infrastructure research. YTT Design is an Iowa DOT Certified DBE and a State of Iowa Targeted Small Business.

Industrial and municipal repair and maintenance. We also perform rotating equipment repair and rebuilding. As well as instrumentation and electrical repair

specializing in pipeline maintenance, small line installation, pump station installation, repair and maintenance, right-of-way clearing and maintenance, erosion control, hydrotesting

CONCRETE STRUCTURES (BRIDGES, CULVERTS, RETAINING WALLS), RIPRAP, MASONRY, EARTHWORK AND LEVEES, STEEL ERECTION, ROCK EXCAVATION, CLEARING AND GRUBBING, DREDGING, LANDSCAPING, AND WE HAVE THE ABILITY TO RESPO

Bridge building, dewatering, cofferdam, drive sheeting, place riprap, bridge approaches.

Sewer, Water, Electric, Concrete, Landscape, Excavation, Dozer, Tiling, Terraces, Site Work, Trucking

Industrial, Electrical, Mechanical, Structural, SheetMetal, Concrete, Construction, Building, Erection

Engineering, Construction, Humanitarian, Staffing

Excavating, underground utiities, site prep, material placement, landfills

contractor, general contractor, building contractor, construction, management, builder, developer, prime contractor, subcontractor, owner contractor

Construction Sand and Gravel Mining, Support Activities for Oil and Gas Operations, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders

Hydroelectric Power Generation, Fossil Fuel Electric Power Generation, Nuclear Electric Power Generation, Water Supply and Irrigation Systems, Sewage Treatment Facilities

ACI MECHANICAL, INC.

Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers, Industrial Building Construction

New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction

Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Support Activities for Oil and Gas Operations, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Highway, Street, and Bridge Construction, Painting and Wall Covering Contractors

Nursery and Tree Production, Support Activities for Forestry, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders

Industrial Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction